Dissertations / Theses: 'Virtual library'

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Minyaev, I. (Ilya). "Virtual library:a technical implementation for a virtual reality library interface." Master's thesis, University of Oulu, 2019. http://jultika.oulu.fi/Record/nbnfioulu-201906062472.

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Abstract. Libraries, as traditional information storages, serve an important role in providing free access to civilization’s knowledge to the public. In the advent of the information society, conventional means of knowledge seeking slowly become obsolete. As technologies advance, libraries shall discover how available inventions could be utilized in enhancing library services and raising public awareness. The offer to discover Virtual Library project was given to the author by the Center for Ubiquitous Computing in the University of Oulu, with the idea originating from Oulu City Library. The goal of the project was to implement an interactive application that would provide a unique experience for library users and show off capabilities of modern virtual technologies. The requirements for it were elicited and refined in a series of participatory design workshops held in Oulu City Library, and as a result, the content of initial web prototype was utilized in the creation of standalone virtual reality application on Unreal Engine 4. The application works with Oculus Rift headset and Oculus Touch motion controllers and lets the user explore the virtual model of Oulu City Library premises as well as some fictional places, added for diverse experience, and experience several activities. Virtual Library was evaluated in a series of testing sessions held in the Oulu City Library with a total of 12 participants, which were primarily the library’s staff members. Overall, the application was positively acclaimed, providing an interesting and unusual library experience, and presenting capabilities of modern virtual reality technologies.Virtuaalikirjasto : tekninen kuvaus virtuaalitodellisuutta hyödyntävälle kirjastopalvelulle. Tiivistelmä. Kirjastoilla on perinteisesti tärkeä rooli tiedon välittäjinä ja tallentajina. Kirjastojen tulee myös mahdollistaa pääsy tiedon ääreen. Siirryttäessä lähemmäksi tietoyhteiskuntaa, perinteiset tavat käsitellä ja havainnoida tietoa ovat jäämässä historiaan. Myös kirjastot kehittyvät ja oppivat kuinka uusia teknologioita on mahdollista hyödyntää tiedon välittämisessä yhteisöille. Virtuaalikirjasto-projekti lähti Oulun kaupungin kirjaston pyynnöstä Oulun yliopiston Jokapaikan tietotekniikan tutkimusryhmälle. Projektin päämääränä oli toteuttaa interaktiivinen sovellus, joka tarjoaisi kirjaston asiakkaille elämyksellistä sisältöä samalla havainnollistaen virtuaalitodellisuuden ja siihen liittyvien teknologioiden mahdollisuuksia. Sovelluksen toteutusta hiottiin Oulun kaupunginkirjastossa sarjalla osallistavan suunnittelun mukaisia työpajoja. Virtuaalitodellisuussovellus toteutettiin Unreal Engine 4 -pelimoottorilla. Se toimii Oculus Rift -virtuaalilaseilla ja Oculus Touch -ohjaimilla. Sovelluksessa on mahdollista kulkea vapaasti virtuaalisessa Oulun kaupunginkirjastossa, sekä tilaan liitetyissä mielikuvituksellisemmissa maailmoissa. Virtuaalikirjasto-sovellus evaluoitiin Oulun kaupunginkirjastossa sarjalla käyttäjätestejä. Testikäyttäjiä oli kaikkiaan 12 ja he olivat pääosin kirjaston työntekijöitä. Sovelluksen vastaanotto oli positiivinen. Käyttäjät totesivat sen havainnollistavan käytettävissä olevan tekniikan mahdollisuuksia samalla tarjoten mielenkiintoisen ja epätavallisen kirjastokokemuksen.

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Jahn, Peter Heinrich, Anja Schwitzgebel, and Meike Beyer. "Virtual Library Matthäus Daniel Pöppelmann." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-223760.

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The „Virtual Library Matthäus Daniel Pöppelmann“ is planned as a book index with attached weblinks to digitized historical printed works and reflects the former, in original lost private library of the famous baroque architect in Dresden. The index was developed in 2013/14 by the subproject-team of the TU Dresden within the European Network of Baroque Cultural Heritage (ENBaCH). In 2017 the virtual library has been brought up-to-date with regard to the transcribed book titles and the additional weblinks within the context of the Project Matthäus Daniel Pöppelmann (1662-1736): Die Schloss- und Zwingerplanungen für Dresden. Planen und Bauen im “modus romanus” of the TU Dresden, supported by the Fritz-Thyssen-Stiftung.

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Zhou, Youquan. "CINDI : the virtual library graphical user interface." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0006/MQ40223.pdf.

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Lardy, Matthew Alan. "Computational combinatorial methods in virtual library design /." Diss., Digital Dissertations Database. Restricted to UC campuses, 2006. http://uclibs.org/PID/11984.

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Raiola, Gennaro. "Co-manipulation with a library of virtual guides." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLY001/document.

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Les robots ont un rôle fondamental dans la fabrication industrielle. Non seulement ils augmentent l'efficacité et la qualité des lignes de production, mais aussi diminuent considérablement la charge de travail des humains.Cependant, en raison des limites des robots industriels en termes de flexibilité, de perception et de sécurité,Leur utilisation est limitée à un environnement structuré bien connu. En outre, il n'est pas toujours rentable d'utiliser des robots autonomes industriels dans de petites usines à faibles volumes de production.Cela signifie que des travailleurs humains sont encore nécessaires dans de nombreuses chaînes d'assemblage pour exécuter des tâches spécifiques.Par conséquent, ces dernières années, une grande impulsion a été donnée à la co-manipulation homme-robot.En permettant aux humains et aux robots de travailler ensemble, il est possible de combiner les avantages des deux; La compréhension des tâches abstraites et la perception robuste typique d'un être humain avec la précision et la force d'un robot industriel.Une approche réussie pour faciliter la co-manipulation homme-robot, est l'approche de guides virtuels qui contraint le mouvement du robot sur seulement certaines trajectoires pertinentes. Le guide virtuel ainsi réalisé agit comme un outil passif qui améliore les performances de l'utilisateur en termes de temps de tâche, de charge de travail mentale et d'erreurs.L'aspect innovant de notre travail est de présenter une bibliothèque de guides virtuels qui permet à l'utilisateur de facilement sélectionner, générer et modifier les guides grâce à une interaction intuitive haptique avec le robot.Nous avons démontré, dans deux tâches industrielles, que ces innovations fournissent une interface novatrice et intuitive pour l'accomplissement des tâches par les humains et les robots Robots have a fundamental role in industrial manufacturing. They not only increase the efficiency and the quality of production lines, but also drastically decrease the work load carried out by humans.However, due to the limitations of industrial robots in terms of flexibility, perception and safety, their use is limited to well-known structured environment. Moreover, it is not always cost-effective to use industrial autonomous robots in small factories with low production volumes.This means that human workers are still needed in many assembly lines to carry out specific tasks.Therefore, in recent years, a big impulse has been given to human-robot co-manipulation.By allowing humans and robots to work together, it is possible to combine the advantages of both; abstract task understanding and robust perception typical of human beings with the accuracy and the strength of industrial robots.One successful method to facilitate human-robot co-manipulation, is the Virtual Guides approach which constrains the motion of the robot along only certain task-relevant trajectories. The so realized virtual guide acts as a passive tool that improves the performances of the user in terms of task time, mental workload and errors.The innovative aspect of our work is to present a library of virtual guides that allows the user to easily select, generate and modify the guides through an intuitive haptic interaction with the robot.We demonstrated in two industrial tasks that these innovations provide a novel and intuitive interface for joint human-robot completion of tasks

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Raiola, Gennaro. "Co-manipulation with a library of virtual guides." Electronic Thesis or Diss., Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLY001.

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Les robots ont un rôle fondamental dans la fabrication industrielle. Non seulement ils augmentent l'efficacité et la qualité des lignes de production, mais aussi diminuent considérablement la charge de travail des humains.Cependant, en raison des limites des robots industriels en termes de flexibilité, de perception et de sécurité,Leur utilisation est limitée à un environnement structuré bien connu. En outre, il n'est pas toujours rentable d'utiliser des robots autonomes industriels dans de petites usines à faibles volumes de production.Cela signifie que des travailleurs humains sont encore nécessaires dans de nombreuses chaînes d'assemblage pour exécuter des tâches spécifiques.Par conséquent, ces dernières années, une grande impulsion a été donnée à la co-manipulation homme-robot.En permettant aux humains et aux robots de travailler ensemble, il est possible de combiner les avantages des deux; La compréhension des tâches abstraites et la perception robuste typique d'un être humain avec la précision et la force d'un robot industriel.Une approche réussie pour faciliter la co-manipulation homme-robot, est l'approche de guides virtuels qui contraint le mouvement du robot sur seulement certaines trajectoires pertinentes. Le guide virtuel ainsi réalisé agit comme un outil passif qui améliore les performances de l'utilisateur en termes de temps de tâche, de charge de travail mentale et d'erreurs.L'aspect innovant de notre travail est de présenter une bibliothèque de guides virtuels qui permet à l'utilisateur de facilement sélectionner, générer et modifier les guides grâce à une interaction intuitive haptique avec le robot.Nous avons démontré, dans deux tâches industrielles, que ces innovations fournissent une interface novatrice et intuitive pour l'accomplissement des tâches par les humains et les robots Robots have a fundamental role in industrial manufacturing. They not only increase the efficiency and the quality of production lines, but also drastically decrease the work load carried out by humans.However, due to the limitations of industrial robots in terms of flexibility, perception and safety, their use is limited to well-known structured environment. Moreover, it is not always cost-effective to use industrial autonomous robots in small factories with low production volumes.This means that human workers are still needed in many assembly lines to carry out specific tasks.Therefore, in recent years, a big impulse has been given to human-robot co-manipulation.By allowing humans and robots to work together, it is possible to combine the advantages of both; abstract task understanding and robust perception typical of human beings with the accuracy and the strength of industrial robots.One successful method to facilitate human-robot co-manipulation, is the Virtual Guides approach which constrains the motion of the robot along only certain task-relevant trajectories. The so realized virtual guide acts as a passive tool that improves the performances of the user in terms of task time, mental workload and errors.The innovative aspect of our work is to present a library of virtual guides that allows the user to easily select, generate and modify the guides through an intuitive haptic interaction with the robot.We demonstrated in two industrial tasks that these innovations provide a novel and intuitive interface for joint human-robot completion of tasks

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Wibowo, Amy Ancilla. "Hardware acceleration of NetApp virtual tape library deduplication algorithm." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/46542.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2008. Includes bibliographical references (p. 49). In this thesis, I implemented an FPGA version of an algorithm used in the deduplication of backup storage data, to compare its performance to a software implementation of the algorithm. This algorithm flags sections of data with identifiers called "anchors". "Anchors" can be compared across versions of backup data, and if "anchors" are identical, sections of data are unchanged with high probability and might not have to be re-written to the backup disk. I also designed and implemented the environment by which this algorithm would communicate with a host computer. This environment can also easily be adapted for the acceleration of other shifting window algorithms. I tested the algorithm in simulation to verify its results as well as to estimate the speed at which the algorithm could process data. by Amy Ancilla Wibowo. M.Eng.

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Zhang, Hua. "VCLUSTER: A PORTABLE VIRTUAL COMPUTING LIBRARY FOR CLUSTER COMPUTING." Doctoral diss., Orlando, Fla. : University of Central Florida, 2008. http://purl.fcla.edu/fcla/etd/CFE0002339.

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Brogan, Martha L. "A Survey of Digital Library Aggregation Services." Digital Library Federation, 2003. http://hdl.handle.net/10150/106263.

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This 105-page report is deposited with permission of the Digital Library Federation which retains copyright. It is freely available in html and pdf formats at the DLF Web site or may be purchased in softcover edition for $20 from DLF. This report, commissioned by DLF, provides an overview of a diverse set of more than thirty digital library aggregation services, organizes them into functional clusters, and then evaluates them more fully from the perspective of an informed user. Most of the services under review rely wholly or partially on the Protocol for Metadata Harvesting of the Open Archives Initiative (OAI-PMH). Each service is annotated with its organizational affiliation, subject coverage, function, audience, status, and size. Critical issues surrounding each of these elements are presented in order to provide the reader with an appreciation of the nuances inherent in seemingly straightforward factual information, such as "audience" or "size." Each service is then grouped into one of five functional clusters: open access e-print archives and servers; cross-archive search services and aggregators; from digital collections to digital library environments; from peer-reviewed "referratories" to portal services; specialized search engines. This publication was deposited with permission of the publisher (Digital Library Federation Council on Library and Information Resources Washington, DC.).

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Ghonim, Ibrahim Ahmad. "Virtual Communities in Egypt - The Digital Library as a Model." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-143205.

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Ghonim, Ibrahim Ahmad. "Virtual Communities in Egypt - The Digital Library as a Model." Technische Universität Dresden, 2010. https://tud.qucosa.de/id/qucosa%3A28048.

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Chirdon, Patrick Edward. "Creation of a Virtual Compound Library for Potential Signal Transduction Modifiers and Virtual Screening Algorithm Pipelines." Ohio University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1607006364917876.

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Tolley, Rebecca. "Review of M-libraries 2: A Virtual Library in Everyone’s Pocket." Digital Commons @ East Tennessee State University, 2011. https://dc.etsu.edu/etsu-works/5619.

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MELLO, TELVIO MARTINS DE. "A LIBRARY FOR THE CREATION OF NETWORK-PROCESSORS-BASED VIRTUAL MACHINES." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2005. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=6653@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO O objetivo deste trabalho é estudar, propor e implementar uma ferramenta que permita a experimentação com arquiteturas que sigam o paradigma de Processadores de Rede - Network Processors (NP). Com esse intuito, foi implementada uma biblioteca de objetos genéricos que permite emular os diversos componentes de hardware (tais como memórias, registradores, unidades de controle, unidades lógico-aritméticas, etc.) presentes em arquiteturas especificas para o processamento de protocolos. A conjunção desses componentes permite gerar máquinas virtuais que podem ser exercitadas para testar ou verificar o funcionamento das mais diversas operações nesses ambientes. Além da biblioteca, são apresentados três estudos de casos distintos: o primeiro mostrando um processador criado para teste e os outros dois implementam arquiteturas baseadas no processador MCS85 e no núcleo ARM do Processador IXP, todos com o intuito de validar e mostrar a utilidade prática da ferramenta. The aim of this work is to study, propose and implement a tool that allows the experimentation with architectures that follow the Network Processors (NP) paradigm. A generic object library was implemented, allowing the emulation of the various hardware components, such as memories, registers, arithmetic-and-logical units, control units etc., that are commonly used within specific architectures for protocol processing. The integrated usage of these components will provide an environment where virtual machines can be created and tested to verify the behavior of many different operations. Besides the library itself, three use cases are presented to validate and show the utility of the tool: the first is an implementation of a processor created just for the sake of testing and the other two are implementations of architectures based on the MCS85 processor and on the ARM kernel of the Intel IXP Network Processor.

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Mason, Sally Ann. "Web-based virtual reality for surgical training /." Leeds, 2001. http://www.leeds.ac.uk/library/counter2/compstmsc/20002001/mason-s.doc.

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Marques, Felipe de Souza. "Technology mapping for virtual libraries based on cells with minimal transistor stacks." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2008. http://hdl.handle.net/10183/16130.

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Atualmente, as tecnologias disponíveis para a fabricação de dispositivos eletrônicos permitem um alto grau de integração de semicondutores. Entretanto, esta integração torna o projeto, a verificação e o teste de circuitos integrados mais difíceis. Normalmente, o projeto de circuitos integrados é consideravelmente afetado com a diminuição do tamanho dos dispositivos eletrônicos em tecnologias sub-micrônicas. Conseqüentemente, os projetistas adotam metodologias rígidas para produzir circuitos de alta qualidade em tempo razoável. Ferramentas de auxílio ao projeto de circuitos eletrônicos são utilizadas para automatizar algumas das etapas do projeto, ajudando o projetista a encontrar boas soluções rapidamente. Uma das tarefas mais difíceis no projeto de circuitos integrados é fazer com que o circuito respeite as restrições de atraso. Isto depende de várias etapas do processo de síntese. Em metodologias baseadas em bibliotecas de células, isto está diretamente relacionado ao algoritmo para mapeamento tecnológico e as células disponíveis na biblioteca. O atraso de cada célula depende do tamanho dos transistores e da topologia da rede de transistores. Isso determina as características de atraso, potência e área de uma célula. O mapeamento tecnológico define as principais características estruturais do circuito, principalmente em área, potência e atraso. A qualidade do circuito mapeado depende das células disponíveis na biblioteca de células. Este trabalho propõe um novo método para mapeamento com bibliotecas virtuais para redução de atraso em circuitos combinacionais. Ambos os algoritmos baseiam-se em uma topologia de células capaz de implementar funções Booleanas com cadeias mínimas de transistores em série. Os algoritmos reduzem o número de transistores em série do caminho mais longo do circuito, considerando que cada célula é implementada por uma rede de transistores que obedecem um número máximo de transistores em série. O número de transistores em série é calculado de forma Booleana, garantindo que este seja o número mínimo necessário para implementar a função lógica da célula. Os algoritmos estão integrados a um gerador de células que utiliza tal topologia e realiza o dimensionamento dos transistores. Ganhos significativos podem ser obtidos combinando estas duas técnicas em uma ferramenta para mapeamento tecnológico. Currently, microelectronic technologies enable high degrees of semiconductor integration. However, this integration makes the design, verification, and test challenges more difficult. The circuit design is often the first area under assault by the effects of aggressive scaling in deep-submicron technologies. Therefore, designers have adopted strict methodologies to deal with the challenge of developing high quality designs on a reasonable time. Electronic Design Automation tools play an important role, automating some of the design phases and helping the designer to find a good solution faster. One of the hardest challenges of an integrated circuit design is to meet the timing requirements. It depends on several steps of the synthesis flow. In standard cell based flows, it is directly related to the technology mapping algorithm and the cells available in the library. The performance of a cell is directly related to the transistor sizing and the cell topology. It determines the timing, power and area characteristics of a cell. Technology mapping has a major impact on the structure of the circuit, and on its delay and area characteristics. The quality of the mapped circuit depends on the richness of the cell library. This thesis proposes two different approaches for library-free technology mapping aiming delay reduction in combinational circuits. Both algorithms rely on a cell topology able to implement Boolean functions using minimal transistors stacks. They reduce the overall number of serial transistors through the longest path, considering that each transistor network of a cell has to obey to a maximum admitted chain. The mapping algorithms are integrated to a cell generator that creates cells with minimal transistor stacks. This cell generator is also in charge of performing the transistor sizing. Significant gains can be obtained in delay due to both aspects combined into the proposed mapping tool.

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Ferran, i. Ferrer Núria. "Towards a personalised virtual library: Indications from navigational and personal information behaviour of e-learning students." Doctoral thesis, Universitat de Barcelona, 2010. http://hdl.handle.net/10803/771.

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To better understand information behaviour and how to make information delivery systems more usable, this dissertation endeavours to investigate how people search, manage and use information resources. More precisely, this research focuses on the information behaviour of e-learning students and how such behaviour can be used to improve the design of personalised information delivery systems in order to aid in the fulfilment of their learning goals. One direction for improvement is personalisation, which is strictly linked to user satisfaction and provides efficient and effective support towards the process of seeking and using information. Non-authoritative metadata automatically generated from the interaction of users with resources can be a practical solution to enhance personalised information delivery systems. In addition, the context of e-learning students is not exclusively academic, as they also develop their information behaviour in other contexts such as in the workplace and daily life. In the case of the Universitat Oberta de Catalunya, there is the opportunity to study the full context of the information behaviour of individuals focusing on the e-learning environment, but also including the rest of the spheres where they develop their activities. Furthermore, this PhD dissertation studies the knowledge, attitude and skills that allow individuals to informationally behave in a particular manner. The acquisition of information literacy may take place in one context and be later transferred to others. In terms of added value, e-learning universities should provide their students with the adequate level of information literacy in order to help them adopt the appropriate information behaviour for their information age. Overall, this PhD dissertation provides some indications towards a personalised design of information delivery systems for e-learning environments and for the generation of learning plans that are more adapted to the requirements of lifelong learners. In this sense, this dissertation brings about a definition of the elements for designing personalised virtual libraries and proposes some improvements in the description of the learning object metadata, based on the usage of educational resources. It also provides theory and experimental evidence on how to model information behaviour patterns taking into account all the informational contexts in which a user can develop his or her information behaviour.

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Bleisch, Susanne Barbara. "Evaluating the appropriateness of visually combining quantitative data representations with 3D desktop virtual environments using mixed methods." Thesis, City University London, 2011. http://openaccess.city.ac.uk/1092/.

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Noguchi, Taro. "Development of a Screening Process from Virtual Mirror-image Library of Natural Products Using D-Protein Technology." 京都大学 (Kyoto University), 2017. http://hdl.handle.net/2433/225537.

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Gurganus, Alison Steinberg. "Virtual reference in a community college library| Patron use of instant messaging and log-in chat services." Thesis, Pepperdine University, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3680367.

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In libraries around the world there are people asking librarians for research assistance. As technology has advanced and communication strategies have moved outside the physical library buildings, librarians now respond to reference queries online. This study analyzed two forms of virtual reference; instant messaging (IM) and log-in chat. The purpose of this study was to find out if there is any inherent difference between the way the patrons or the librarians used these two virtual services. An exploratory research design focused on numerous aspects of virtual reference communication. During the spring terms of academic years 2011 and 2012 at a community college, 1,341 transcripts of IM and log-in chat sessions were recorded. Using a systematic sampling process, 320 transcripts were sampled and their content analyzed. Findings indicate that a length of the transaction significantly affected the outcome of all transactions. Log-in chats were generally longer than IM chats and it was found that; they were more complicated, the librarians were more responsive and friendly, patrons were more satisfied and the librarian was generally able to conduct a reference interview more often. Additionally the findings indicated that both IM and log-in chat were very similar in three aspect; patron formality, completeness/accuracy of the librarians' answer and the reference interview adding/changing or clarifying the patrons question. There were four major conclusions of this study: The log-in chat portal had longer online reference transactions and better overall outcomes; instant messaging portal queries, although similar in many aspects to log-in chat, were ultimately treated in a less formal manner by patrons; librarians gave reference interviews and complete/accurate answers equally in both platforms and there were similar overall success rates in both platforms. Based on the findings in this study it is recommended that academic libraries serving a general population of students use both the IM and log-in chat portals on their library websites. Patrons appear to appears to be using each portal for different and equally important reasons. Further study of virtual communications practices is needed to enhance the findings of this study as more institutions expand their patron base beyond those who can physically meet with a reference librarian.

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Valenza, Joyce Kasman. "Discovering a Descriptive Taxonomy of Attributes of Exemplary School Library Websites." Thesis, University of North Texas, 2007. https://digital.library.unt.edu/ark:/67531/metadc3911/.

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This descriptive study examines effective online school library practice. A Delphi panel selected a sample of 10 exemplary sites and helped to create two research tools--taxonomies designed to analyze the features and characteristics of school library Websites. Using the expert-identified sites as a sample, a content analysis was conducted to systematically identify site features and characteristics. Anne Clyde's longitudinal content analysis of school library Websites was used as a baseline to examine trends in practice; in addition, the national guidelines document, Information Power: Building Partnerships for Learning, was examined to explore ways in which the traditional mission and roles of school library programs are currently translated online. Results indicated great variation in depth and coverage even among Websites considered exemplary. Sites in the sample are growing more interactive and student-centered, using blogs as supplemental communication strategies. Nevertheless, even these exemplary sites were slow to adopt the advances in technology to meet the learning needs and interests of young adult users. Ideally the study's findings will contribute to understanding of state-of-the-art and will serve to identify trends, as well as serving as a guide to practitioners in planning, developing, and maintaining school library Websites.

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Silveira, Andréa Rita Checcucci Gueudeville. "Usabilidade de sistema de informação:a Biblioteca Virtual de Psicologia em foco." Instituto de Ciência da Informação, 2013. http://repositorio.ufba.br/ri/handle/ri/17768.

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Submitted by Andréa Silveira (arcgs@ufba.br) on 2015-05-15T18:15:53Z No. of bitstreams: 1 _DISSERTAÇÃO Andréa Silveira.pdf: 3571700 bytes, checksum: d386617806263f608f80e12361071097 (MD5) Approved for entry into archive by Urania Araujo (urania@ufba.br) on 2015-05-22T18:18:56Z (GMT) No. of bitstreams: 1 _DISSERTAÇÃO Andréa Silveira.pdf: 3571700 bytes, checksum: d386617806263f608f80e12361071097 (MD5) Made available in DSpace on 2015-05-22T18:18:56Z (GMT). No. of bitstreams: 1 _DISSERTAÇÃO Andréa Silveira.pdf: 3571700 bytes, checksum: d386617806263f608f80e12361071097 (MD5) Esta pesquisa analisa o grau de usabilidade do Sistema de Informação na Biblioteca Virtual de Psicologia (BVS-Psi), as facilidades e dificuldades dos processos de acesso, bem como a busca e uso de informações pelos alunos do Instituto de Psicologia da Universidade Federal da Bahia. Os objetivos da pesquisa são: (1) identificar o papel da biblioteca universitária no gerenciamento de informações digitais; (2) compreender a usabilidade do sistema de informação como ambiente de aprendizagem; (3) levantar estudos e modelos sobre o processo de comunicação, usabilidade, sistema de informação e mediação da informação em ambientes acadêmicos; (4) analisar como se dá a utilização dessa ferramenta para a formação, apoio às pesquisas e atuação dos estudantes de psicologia. Constitui-se de uma pesquisa descritiva e de um estudo de caso. O procedimento metodológico dividiu-se em duas etapas. Na primeira parte, foi realizado um estudo comparativo do sistema e analisado o mesmo com base na Cartilha de Usabilidade do Ministério de Logística do Governo Federal do Brasil; na segunda parte, foram analisados dados coletados por meio de questionário com 101 alunos e 6 professores de psicologia da UFBA. Foram também relacionados, por meio da revisão da literatura, conceitos sobre usabilidade, o papel e tendência da universidade e das bibliotecas universitárias como espaço de disseminação das TICs e as práticas atuais de competências informacionais e científicas. A BVS-Psi é compreendida como ferramenta de comunicação e ambiente de aprendizagem, que reúne literatura brasileira em psicologia, divulgação de eventos da área e promove parcerias por meio de trabalho cooperativo de diferentes instituições. Foi constatado que, para poder potencializar o desenvolvimento de pesquisas na área, é necessária a motivação para utilização e apropriação de novos espaços de aprendizagem, habilitando o estudante ao autoaprendizado. Um novo paradigma educacional pode fornecer diretrizes no que tange à formação do usuário e traçar reflexões a respeito da relevância do bibliotecário universitário na participação ativa da comunicação virtual, compartilhando recursos, integrando e disseminando democraticamente as diversas fontes de informação e da produção científica nacional.This research analyzes the degree of usability of the Information System at the Virtual Psychology Library (VL-Psi), the advantages and disadvantages of the access processes, as well as the search and use of information by students of the Institute of Psychology at the Universidade Federal da Bahia (UFBA). The research goals are: (1) identify the role of the university library in the management of digital information; (2) understand the usability of the information system as a learning environment; (3) highlight models and studies about the communication process, the usability, information system and mediate the information in academic environment; (4) analyze how this tool is used in the undergraduate studies, support for researches and the student’s professional practice life. It is a descriptive research and also a case study. The methodological procedure had two stages. The first part constituted a comparative study of the system based on the Cartilha de Usabilidade do Ministério de Logística do Governo Federal do Brasil; in the second part, was analyzed the data collected through a survey with 101 students and 6 teachers of psychology of UFBA. It was also done a literature review, which related concepts of usability, the role and trends of the university and college libraries as a space for dissemination of ICTs and the current practices of information and scientific knowledge. The VL-Psi is understood as a communication tool, a learning environment which gathers Brazilian’s psychology literature, publish events of the area and promotes partnerships through the collaborative work of different institutions. It was found that in order to enhance the development of research in this area, it is required motivation to use and appropriation the new learning centers, enabling the student to self-learn. A new educational paradigm may provide both guidance to the development of users and discuss the relevance of the active participations and democratically disseminating several information sources of national scientific production.

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Kurilov, Jevgenij. "Digital library of education resources and services components interoperability problems." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2008. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2008~D_20080620_093755-60074.

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The main scientific problems investigated in this work deal with the creation of flexible open source e-Learning content and services system (referred here as Digital Library of Educational resources and services – DLE) providing learning customisation possibilities for its users. Standards and interoperability are key factors in the success of the introduction of such kind of DLEs, and therefore the main research object of the work is investigation and proposal of interoperability guidelines for DLE components. The main problem is not the identification of suitable standards and specifications, but the adoption of these standards and specifications and their application in e-Learning practice. Approaches concerning LOM Standard Application Profiles (APs) and curricula mapping are the main topics created and investigated here because they could provide more quick and convenient LOs search possibilities in the repositories for the users. Another key factor is quality of DLE systems, and therefore one more research object of the work is the effectiveness of methods of DLE components evaluation. DLE components’ complex evaluation tools suitable for systems based on flexible approach have been created. These tools should include a number of criteria to evaluate LOs reusability level and VLEs adaptation capabilities. Practice of flexible DLE software creation and development for Lithuanian primary, secondary and vocational education based of flexible approach is presented in more... [to full text] Disertacijoje nagrinėjamos lanksčios atvirosios el. mokymosi turinio ir paslaugų sistemos (t. y. skaitmeninės švietimo išteklių ir paslaugų bibliotekos, angl. Digital Library of Educational Resources and Services) kūrimo bendrajam lavinimui ir profesiniam mokymui mokslinės problemos. Nagrinėjama skaitmeninės švietimo išteklių ir paslaugų bibliotekos (toliau – skaitmeninės bibliotekos) schema ir reikalavimai. Pagrindinis dėmesys skiriamas bibliotekos lankstumui, t. y. biblioteka turi teikti naudotojams individualizuoto mokymosi galimybes. Skaitmeninės bibliotekos sudedamųjų dalių suderinamumas (sąveikos geba, arba sąveikumas, angl. Interoperability) ir standartai yra esminiai bibliotekos funkcionavimo veiksniai, todėl pagrindinis disertacijos tikslas yra bibliotekos sudedamųjų dalių sąveikumo rekomendacijų kūrimas. Sprendžiami uždaviniai: standartų parinkimas, jų tinkamumas, adaptavimas ir taikymas švietimui. Pagrindinis dėmesys skiriamas mokymosi objektų (MO, angl. Learning Objects) metaduomenų standarto (LOM – angl. Leaning Objects Metadata) taikymo modeliui tobulinti ir bendrųjų programų sąryšiui su MO. Daug dėmesio skiriama skaitmeninės bibliotekos sudedamųjų dalių kokybei vertinti, todėl bibliotekos sudedamųjų dalių kompleksinių vertinimo kriterijų, pagrįstų bibliotekos lankstumo ir sudedamųjų dalių sąveikumo rekomendacijomis, kūrimas taip pat yra darbo tikslas.

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Dündar, Hayri. "Digital Library evaluation in Swedish academic libraries : A critical study." Thesis, Uppsala universitet, Institutionen för ABM, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-295278.

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This master thesis aims to critically analyze the state of digital libraries in Swedish academic libraries. With the branching theory of sense-making and the methodology of DELOS and IFLA/UNESCOs digital library manifestos, this thesis hopes to bring to light how far Swedish academic libraries have progressed. By accumulating quantitative data encompassing all digital academic libraries in Sweden, and qualitative data from a select few, conclusions regarding the aforementioned are drawn. Focusing on content analysis, this thesis analyzed the different components that can be said to constitute the digital library and compared them to the different manifestos that dictate what a digital library can be said to consist of. By employing the elusive sense-making theory as a general modus of mind, one can begin to understand thought-making processes behind the tapping of digital library resources. Results from this thesis found that some functions and components are present within all academic libraries in Sweden, but that the digital library primarily tends to focus on resource acquisition and not so much on resource presentation. User environments are not prioritized. Different aspects are presented in regards to mobile optimization, social media, information organization, information design etc. This is a two years master’s thesis in Archive, Library and Museum studies. Den här masteruppsatsen syftar till att undersöka digitala bibliotek och digitala miljöer på svenska högskole- och universitetsbibliotek. Med sense-making som huvudsaklig teoretiskt ramverk och DELOS och IFLA/UNESCOs olika manifest gällande digitala bibliotek hoppas uppsatsen visa hur långt svenska bibliotek har kommit i relation till det digitala. Via samlandet av kvantitativ data från alla svenska akademiska bibliotek, och kvalitativ data från ett fåtal utvalda, kommer uppsatsen till diverse slutsatser. Med fokus på innehåll och funktion så undersöker uppsatsen vilka komponenter som kan sägas utgöra det digitala biblioteket i jämförelse med manifesten och deras ideala digitala bibliotek. Med hjälp av sense-making kan man få en förståelse för tankessättet och hur användare angriper de digitala resurserna. Resultaten från uppsatsen visade att det finns en viss grad av framsteg och utveckling som alla bibliotek har nått, men att den digitala satsningen oftast endast inbegriper samlandet av resurser och uppbyggandet av databaser snarare än presentation och design. Miljöer som gör att användarna frodas prioriteras ofta bort. Olika aspekter presenteras i relation till detta såsom mobil-optimering, sociala medier, informationsorganisation, informationsdesign osv. Det här är en tvåårig masteruppsats inom Arkiv, Bibliotek och museum.

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Jeffrey, Stuart. "Three dimensional modelling of Scottish early medieval sculpted stones." Thesis, Connect to electronic version, 2003. http://ads.ahds.ac.uk/catalogue/library/theses/jeffrey%5F2004/index.cfm.

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Thesis (Ph. D.)--University of Glasgow, 2003. Accompanied by CD-ROM. Ph. D. thesis submitted to the Department of Archaeology, University of Glasgow, 2003. Includes bibliographical references. Print version also available.

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Coutinho, Kátia Soares. "Biblioteca virtual de soluções assistivas : educação e trabalho." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2015. http://hdl.handle.net/10183/115740.

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O processo de inclusão de pessoas com deficiência no mercado de trabalho tem sido um tema bastante discutido recentemente, graças às políticas de ação afirmativa implantadas em nosso país, que estão, de forma lenta, mas irreversível, mudando a realidade dos colaboradores com deficiência. Na atualidade, as bibliotecas virtuais despontam como elementos da educação ao longo da vida e constituem importante aspecto da mediação da ação humana vista sob uma perspectiva sócio-histórica. Isto nos instiga a questionar de que forma pode-se construir uma biblioteca virtual reunindo informações que contemplem soluções quanto ao uso de tecnologia assistiva em ambientes de trabalho? Desta maneira, a criação de uma plataforma colaborativa tem como meta favorecer o processo laboral inclusivo e, para tal, são temas desta investigação os sites de entidades que visam à inclusão social e laboral de pessoas com deficiência, a acessibilidade tanto física quanto digital e a presença das tecnologias como recursos potencializadores dos processos inclusivos. Também são feitas considerações sobre o design na Web bem como requisitos visando sua usabilidade, acessibilidade e interação com os usuários. Assim, empregando os recursos da Internet disponíveis na atualidade, realizamos uma pesquisa de cunho qualitativo com Estudo de Caso (multicaso), com sete Sujeitos – gerentes de Recursos Humanos (RH) de empresas de grande porte, localizadas no estado do Rio Grande do Sul. Os dados foram obtidos através de entrevistas semiestruturadas e observações in loco, sendo norteadores desta pesquisa os seguintes questionamentos: Que informações são pertinentes? De que forma apresentar essas informações para que sejam acessíveis a todos? Quais as necessidades informacionais dos gerentes de Recursos Humanos e demais gestores envolvidos com o processo de inclusão? A iteração com os Sujeitos revelou-se fundamental para o estabelecimento dos requisitos iniciais da biblioteca virtual SolAssist que tem como objetivo facilitar a divulgação de informações pertinentes para os gestores, através da socialização de tecnologias assistivas, adaptações ou soluções já em uso nos ambientes produtivos. Concluímos que há pouca presença de tecnologia assistiva, adaptações e soluções na realidade das empresas visitadas, pois o desconhecimento a este respeito ainda é muito grande. Sendo assim, espera-se que a plataforma colaborativa que nos propusemos construir se torne um instrumento para consulta acessível e prático para os gestores buscarem informações e que auxilie de forma efetiva nos processos de inclusão laboral das pessoas com deficiência. The inclusion process of people with disabilities in the labor market has been a subject largely discussed recently, thanks to affirmative action policies implemented in our country that are, slowly, but irreversibly changing the reality of employees with disabilities. Nowadays, virtual libraries arise as elements of education throughout life and are important aspect of human mediation action in a socio-historical perspective. This encourages us to question how one can create a virtual library gathering information contemplating assistive technology use‟s solutions at workplaces? Thus, the creation of a collaborative platform aims to promote inclusive labor process and, to this purpose, entities sites that seek social and labor inclusion of people with disabilities, accessibility both physical and digital and presence of technology as potentiating resources of inclusive processes are subjects of this investigation. Considerations towards Web design and requirements of usability, accessibility and interaction with users are also made. Thereby, using Internet resources available nowadays, we conducted a multi case‟s qualitative research, in seven large companies located in the state of Rio Grande do Sul. Data were collected through semi-structured interviews and on-site observations, and the following questions guided this research: What information is relevant? How to present this information in a way that all can access? Which are the information needs of Human Resources managers and other managers involved in inclusion‟s process? Iteration with the subjects proved to be crucial for the establishment of the initial requirements of SolAssist virtual library, that aims to facilitate the dissemination of relevant information to managers, through socialization of assistive technologies, adaptations or solutions already in use in production environments. We conclude that there is low presence of assistive technology, adaptations and solutions in the visited companies, because ignorance in this regard is still very large. Therefore, it is expected that the collaborative platform that we have proposed to build will become an affordable and practical consultation instrument for managers, where they can seek information and assist effectively at the labor inclusion processes of people with disabilities.

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Gasparini, Lorenzo. "Laying the path to consumer-level immersive simulation environment." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/21562/.

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Since the end of the long winter of virtual reality (VR) at the beginning of the 2010 decade, many improvements have been made in terms of hardware technologies and software platforms performances and costs. Many expect such trend will continue, pushing the penetration rate of virtual reality headsets to skyrocket at some point in the future, just as mobile platforms did before. In the meantime, virtual reality is slowly transitioning from a specialized laboratory-only technology, to a consumer electronics appliance, opening interesting opportunities and challenges. In this transition, two interesting research questions amount to how 2D-based content and applications may benefit (or be hurt) by the adoption of 3D-based immersive environments and to how to proficiently support such integration. Acknowledging the relevance of the former, we here consider the latter question, focusing our attention on the diversified family of PC-based simulation tools and platforms. VR-based visualization is, in fact, widely understood and appreciated in the simulation arena, but mainly confined to high performance computing laboratories. Our contribution here aims at characterizing the simulation tools which could benefit from immersive interfaces, along with a general framework and a preliminary implementation which may be put to good use to support their transition from uniquely 2D to blended 2D/3D environments.

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Arnfalk, Peter. "Virtual mobility and pollution prevention : the emerging role of ICT based communication in organisations and its impact on travel /." Lund : International Institute for Industrial Economics [Internationella miljöinstitutet], Univ, 2002. http://www.iiiee.lu.se/information/library/publications/dissertations/2002/1.pdf.

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Power, Lucy A. "e-Research in the life sciences : from invisible to virtual colleges." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:de32d659-8908-4ebe-ab50-3ba6330f456a.

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e-Research in the Life Sciences examines the use of online tools in the life sciences and finds that their use has significant impact, namely the formation of a Scientific/Intellectual Movement (SIM) (Frickel & Gross, 2005) complemented by a Computerisation Movement (CM) (Kling & Iacono, 1994) which is mobilising global electronic resources to form visible colleges of life science researchers, who are enrolling others and successfully promoting their open science goals via mainstream scientific literature. Those within this movement are also using these online tools to change their work practices, producing scientific knowledge in a highly networked and distributed group which has less regard for traditional institutional and disciplinary boundaries. This thesis, by combining ideas about SIMs and CMs, fills a gap in research that is typically confined to treating new tools as a part of scientific communication or in specialist areas like distributed collaboration but not in terms of broader changes in science. Case studies have been conducted for three types of online tools: the scientific social networking tool FriendFeed, open laboratory notebooks, and science blogs. Data have been collected from semi-structured interviews, and the online writings of research participants. The case studies of exemplary use by scientists of the web form a baseline for future studies in the area. Boundaries between formal and informal scholarly communication are now blurred. At the formal level, which peer-reviewed print journals continue, many academic publishers now also have online open access, frequently in advance of print publication. At the informal level, what used to be confined to water-cooler chat and the conference circuit is now also discussed on mailing lists, forums and blogs (Borgman, 2007). As these online tools generate new practices they have potential to affect future academic assessment and dissemination practices.

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Lindblom, Andreas. "A Study of Networking Performance in a Multi-user VR Environment : Using Unity and the Mirror library." Thesis, Luleå tekniska universitet, Institutionen för system- och rymdteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-79559.

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Virtual Reality provides the ability to immerse users in realistic environments, which makes it possible to utilize the technology as an educational tool. The EIT Raw Materials Project MireBooks intend to teach mining students by simulating a VR mine and recreating learning experiences in it. With this comes challenges with regards to the networking performance and user experience. MiReBooks

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Makhafola, Lesego. "The use of a Virtual Learning Environment (VLE) to embed library information services in a Blended Learning Environment (BLE) : a University of Pretoria Engineering study." Diss., University of Pretoria, 2018. http://hdl.handle.net/2263/69124.

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The main objective of libraries in higher education institutions is to enable access to information that will meet the teaching, learning and research needs of the institutions’ communities (Department of Arts and Culture, 2015:18). Technology makes it easier to accomplish this by allowing librarians to embed products and services directly into the teaching, learning and research environments used by the communities. Course Management Systems such as Blackboard, are used by higher learning institutions to provide blended learning experiences. Many face-to-face lectures rely on an online module, and students appear to be more comfortable using the various online tools than ever before. For librarians, the online component of such a hybrid learning model is an opportunity to extend the traditional face-to-face library training and information literacy sessions into the Virtual Learning Environment (VLE). Virtually embedded librarians enable students’ access to library information online (Hoffman & Ramin, 2010:298) and libraries that have shifted towards embedding in online courses reach users at their point of need (Paganelli and Paganelli, 2017:55). If these statements are true, the question remains whether the end user is satisfied with the services rendered online or not. Many surveys have been conducted to assess users’ satisfaction with library resources and the quality of library services (Zhang, 2015:273). Some studies investigated library use patterns of different user groups but few studies focus on the needs of Engineering students (Zhang, 2015:273) and if these needs are being addressed by embedded library services and products. The objective of this research was to establish the role that Engineering students expect an Information Specialist to play in a VLE, to identify the products and services the Engineering students expect the Information Specialist to provide, and to what extent. This was done using a case study research design. As was expected, this research confirmed that the Engineering students recognise the importance of librarians embedding in their online modules. It is anticipated that librarians who embed online will be able to meet the needs of the students and build strong relationships with the students. If that does become the case, it is feasible to expect that the students’ use of library resources will increase. The next phase would be to build and launch a pilot project. Recommendations made for embedding in a VLE were (1) to consult with the faculty, library staff, and the instructional designer before the librarian attempts to launch embedded activities; (2) to identify the top in-demand products and services that can be embedded for each course as a matter of urgency; (3) to pilot the program with a few students and library staff and obtain feedback before the initiative is made publicly available to all students; and (4) to align the expectations or activities of the program with those of the course. Mini Dissertation (MIT)--University of Pretoria, 2018. Information Science MIT Unrestricted

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Fonseca, Leandro Guedes da. "Biblioteca virtual temática em saúde focada nas necessidades do usuário e na usabilidade." Universidade Federal do Rio de Janeiro / Instituto Brasileiro de Informação em Ciência e Tecnologia, 2012. http://ridi.ibict.br/handle/123456789/776.

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Made available in DSpace on 2015-10-19T11:50:25Z (GMT). No. of bitstreams: 1 fonseca2012.pdf: 1503515 bytes, checksum: 598b272f4aa2f20b7b0a36372f9a404f (MD5) Previous issue date: 2012-03-28 This work discusses usability features that can be applied on interfaces for virtual libraries, to meet differences in interaction and information needs of different users. It presents the emergence and popularization of the Internet and presents it as a determining factor for the development of thematic virtual libraries. It presents the history of libraries and proposes subsidies for the creation of thematic virtual libraries issues aimed to meet the needs of users. It introduces the concept of information and health information. It discusses the interdisciplinary relations of Information Science with Cognitive Science. It demonstrates, through a focus group study on information needs of potential users of a thematic virtual library. It talks about usability in virtual libraries and usability features as parameters for meeting the needs of users. We conclude that the heuristic evaluation and usability principles raised in the literature and the current technical standards on the subject present subsidies for improvement of thematic virtual libraries and we consider the views gathered in focus groups are important contributions to the improvement of processes in a thematic virtual library in health. Aborda o levantamento de características de usabilidade que possam ser aplicadas em interfaces de bibliotecas virtuais, para atender diferenças de interação e necessidades informacionais de usuários distintos. Demonstra o surgimento e a popularização da Internet e o apresenta como fator determinante para o desenvolvimento das bibliotecas virtuais. Discorre sobre a história das bibliotecas e propõe subsídios para a criação de bibliotecas virtuais temáticas voltadas para atender as necessidades dos usuários. Apresenta o conceito de informação e informação em saúde. Aborda as relações interdisciplinares da Ciência da Informação com as Ciências Cognitivas. Demonstra, através de grupo focal, estudo sobre necessidades informacionais de usuários potenciais de biblioteca virtual temática em saúde. Discorre a respeito de usabilidade em bibliotecas virtuais e apresenta a usabilidade como parâmetro para atendimento às necessidades dos usuários. Conclui que a avaliação heurística e os preceitos de usabilidade levantados na literatura e as normas técnicas vigentes sobre o tema apresentam subsídios para aprimoramento de bibliotecas virtuais temáticas e considera que as opiniões colhidas no grupo focal são contribuições importantes para a melhoria de processos de uma biblioteca virtual temática em saúde

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Sarnowski, Daniella. "Entwicklung eines Virtuellen Fachbibliotheksportals im Internet für die Film-, Fernseh- und Medienwissenschaft (Virtual Library Film and Media Studies) mithilfe der Erhebung und Bedarfsanalyse spezifischer Informationsanforderungen." Doctoral thesis, Humboldt-Universität zu Berlin, Philosophische Fakultät I, 2003. http://dx.doi.org/10.18452/14907.

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Das Internet wird zunehmend zur IuK-Plattform für Lehre und Forschung. Vom Wandel der Hochschulen sind auch die Hochschulbibliotheken und deren Strukturen sowie Dienstleistungen betroffen. Doch sind sie für diesen Wandel gerüstet? In Deutschland ist eine regional verteilte Informationsinfrastruktur im Bereich der Film- und Medienwissenschaft anzutreffen. Verteilte Ressourcen, seien es Medien oder Internetangebote, sind zwar vielfältig vorhanden, jedoch nur vereinzelt nachgewiesen. Ziel der in 2001 durchgeführten Exploration war es, ein Konzept für eine Virtuelle Film- und Medienbibliothek (Virtual Library Film and Media Studies) zu erstellen. So wurde der differenzierten Informationsbedarf von Dozenten. Es erwies sich als sinnvoll, als ersten Analysepunkt einzelne Internetangebote von vorhandenen ausgewählten virtuellen Fachportalen (DFG gefördert) zu untersuchen. Experteninterviews mit der Fokussierung auf die Lehrenden von den zwei größten Filmhochschulen in Deutschland (Potsdam und München) waren dabei der zentrale Kern. Bei dieser Exploration wurde anhand der Interview-Auswertungen mittels Transkription und anschließender Inhaltsanalyse ein genaues Bedarfsprofil der wissenschaftlichen Zielgruppe herausgearbeitet. Abgerundet wurden diese Untersuchungen durch die quantitative Methode der Fragebogen, die an Filmbibliothekare versendet wurden. Es sollte herausgefunden werden, wie diese Intermediäre den Informationsbedarf der Filmdozenten einschätzten. Sechs Portalsegmente wurden auf diesen Ergebnissen entwickelt. Bei der rasanten Entwicklung der digitalen Fachinformation, gerade im Internet, müssen Bibliothekare die Veränderungen permanent beobachten, um Ihre Dienstleistungen zu aktualisieren. More and more the internet becomes the information and communication platform for teachings and research. University libraries and their structures as well as their services are concerned with the changes of universities in general. But are the university libraries prepared for this change? In Germany a regionally distributed infrastructure of information within the range of film and media science to be found. Distributed resources in the form of media or offers in internet are variously present, but only occasionally detectable. One of the aims of the exploration accomplished in 2001 was to provide a concept for a VIRTUAL LIBRARY FILM AND MEDIA STUDIES. For this reason the different demands of lectures for informations were investigated. Therefore a mix of qualitative and quantitative methods were used. As the first point of analysis a comparison of the individual internet offers was used on available selected virtual specialized portals (DFG promoted). Expert interviews to bring into focus the lecturers of the two largest film universities in Germany (Potsdam and Munich) formed the central intention. With this exploration analysing the interviews by means of transcription and following analysis of contents an exact need profile has been worked out. These investigations were rounded off by the quantitative method of the questionnaires, which were sent to film librarians. It had to be found out, how the intermedians assess the lecturers need of media information. With the rapid development of digitally specialized information, also in the internet, librarians must permanently observe the changes, in order to update their services.

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Regis, Maria Claudia Alves de Santana. "Categorias Literárias, programas de áudio para o incentivo à leitura de deficientes visuais: um olhar transdisciplinar." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/48/48134/tde-11092009-162239/.

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Pessoas com deficiência visual (DV) raramente fazem uso de bibliotecas por diversos motivos. Algumas bibliotecas são desprovidas de serviços especializados e materiais inclusivos que atendam as necessidades desse público. Diante desse quadro a Biblioteca Virtual do Estudante de Língua Portuguesa da Escola do Futuro USP (BibVirt), com o apoio da Secretaria de Estado da Cultura de São Paulo concebeu um programa de áudio para a promoção da leitura e literatura: Categorias Literárias - incentivo à leitura para deficientes visuais. Esta pesquisa teve por objetivos (i) investigar, a partir de reflexões transdisciplinares, o caminho percorrido durante a produção de Categorias Literárias, analisando as fases de produção dos programas; (ii) divulgar Categorias Literárias como um projeto que faz uso das tecnologias da informação e comunicação para melhorar a vida de pessoas com DV com relação à leitura e literatura, alcançando também pessoas sem deficiência visual; e (iii) demonstrar que a combinação de diferentes mídias pode contribuir para a ampliação dos serviços nas escolas, instituições e bibliotecas virtuais. Trata-se de uma pesquisa de natureza qualitativa com características de pesquisa-ação, permeada por uma série de referências sobre o tema da transdisciplinaridade. Como procedimento a pesquisadora participou de todas as fases de desenvolvimento do projeto, registrando as fases de produção das séries em vídeos, fotografias e por comunicações assíncronas, via e-mail. Este trabalho concluiu que a transdisciplinaridade está preocupada com a compreensão do mundo presente, de modo que possa haver uma unidade de conhecimentos, destacando que a reunião de profissionais de distintas áreas de atuação e disciplinas, trabalhando colaborativamente em equipe, contribuiu para a produção de materiais inclusivos de qualidade, que beneficiam também pessoas sem deficiência e comprova que a combinação de diferentes mídias facilita o acesso aos mesmos. A contribuição e originalidade desta tese consistiram em vários fatores relacionados à educação e à inclusão de pessoas com DV, que por suas limitações encontram dificuldades e, por vezes, são privadas do acesso à leitura e literatura. Esta pesquisa pode contribuir para o surgimento de outras iniciativas, não apenas na BibVirt, mas também em outras bibliotecas virtuais, na oferta de serviços para pessoas com alguma deficiência, ampliando o acervo de livros falados, livros em Braille, livros em LIBRAS, como também sobre outros temas que vão além dos literários. Visually impaired people (DV) rarely make use of libraries for several reasons. Some libraries are unable to offer specialized services and inclusive materials that meet the needs of this audience. In this framework the Student Virtual Library of Portuguese-Speaking of School of Future - USP (BibVirt), supported by the Secretary of Culture of São Paulo has developed an audio program for the promotion of reading and literature: Literary Categories - encouraging reading for the visually impaired. The following study aimed at (i) investigating, based in transdisciplinary reflections, the production process of Literary Categories, by analyzing the stages of production of the programs, (ii) disseminating Literary Categories as a project that makes use of information and communication technologies to improve the lives of DV people regarding reading and literature, also reaching normal visual people and (iii) demonstrating that the combination of different media can contribute to the expansion of services in schools, institutions and virtual libraries. This is a qualitative research with characteristics of action research, supported by a series of references on the subject of transdisciplinarity. As a procedure, the researcher participated in all phases of project development, recording the stages of the series production in videos, photos and asynchronous communications, via email. This study concluded that transdisciplinarity is concerned with a broader world understanding, so it can result in a unity of knowledge, stressing that the collaborative gathering of professionals from different disciplines and areas of expertise has contributed to the production of quality inclusive materials, which also benefit people without disabilities, and that the combination of different media types facilitate access to them. The contribution and originality of this thesis consisted of several factors related to education and inclusion of DV people, which because of its limitations find difficulties and, sometimes are denied access to reading and literature. This research may contribute to the emergence of other initiatives, not only in BibVirt, but also in other virtual libraries, in providing services for people with a disability, expanding the collection of talking books, Braille books, books on LIBRAS, but also on other topics that go beyond the literary.

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Franciscatto, Roberto. "SolAssist - Biblioteca Virtual de Soluções Assistivas acessível e responsiva na promoção da inclusão social de pessoas com deficiência." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/158276.

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O processo de inclusão de pessoas com deficiência no mercado de trabalho, tem se tornado um tema amplamente difundido atualmente e de grande relevância social, muito pelas políticas de ações afirmativas para a inclusão implantadas no país, decorrentes das lutas dos grupos de pessoas com deficiência para terem seus direitos a educação, saúde e trabalho reconhecidos e contemplados. O resultado desse processo mostrou que tais ações neste contexto, tem propiciado a melhoria das condições de vida e de desenvolvimento humano e social das pessoas com deficiência. Neste cenário, as tecnologias da informação e comunicação, representadas neste trabalho através de uma Biblioteca Virtual de Soluções Assistivas, surgem como elementos da educação e constituem papel fundamental no processo de mediação da ação humana, considerando uma perspectiva sócio-histórica. Partindo dessa premissa, o objetivo deste trabalho é analisar de que forma podemos organizar as soluções assistivas oriundas de diferentes fontes, para que as mesmas possam ser utilizadas no processo de inclusão de pessoas com deficiência no mercado de trabalho técnico/profissional. A partir de então, percebeu-se à necessidade de propor o desenvolvimento de um sistema web (biblioteca virtual) que pudesse gerenciar soluções assistivas de forma organizada e que estas contribuíssem com práticas que deram certo no ambiente do mercado de trabalho para pessoas com algum tipo de deficiência. Entende-se que o compartilhamento de práticas e ações desenvolvidas permitirá inúmeros benefícios para instituições, empresas e pessoas que buscam por tais informações, sendo estas estruturadas de maneira organizada, centralizada e de livre acesso. Assim, foi projetada e desenvolvida uma Biblioteca Virtual de Soluções Assistivas, que provê entre outros, recursos de usabilidade, acessibilidade e responsividade, seguindo os principais padrões web presentes no processo de desenvolvimento e validação da mesma. Quanto a metodologia presente neste trabalho a mesma contempla um estudo quali-quantitativo sendo o uso de “estudos de casos” seu método principal. A pesquisa foi complementada com uma abordagem tecnológica devido ao desenvolvimento da Biblioteca Virtual de Soluções Assistivas em questão. Quanto aos sujeitos presentes neste trabalho de pesquisa, foram convidados a participar, baseado em três contextos principais, foco desta investigação: o contexto educacional (formado por pessoas com função/cargo de gestão educacional, como por exemplo: coordenadores de curso, direção, chefia, núcleos de acessibilidade, entre outros); o contexto laboral (formado por profissionais que atuam no mercado de trabalho e exercem atividade de gestão/contratação de pessoas, como por exemplo: administradores de empresas, analistas de recursos humanos, entre outros); e por fim pessoas com necessidades especiais, para que estas pudessem colaborar e fornecer a sua contribuição frente ao protótipo exposto. Como resultados deste trabalho, estão o processo de desenvolvimento tecnológico empregado na construção de uma biblioteca virtual e seus recursos acessíveis; as validações de usabilidade, acessibilidade e responsividade presentes nesta pesquisa; e a análise do perfil dos sujeitos, suas contribuições e perspectivas frente a utilização de uma ferramenta tecnológica de gerenciamento de soluções assistivas em seu dia-a-dia. The process of inclusion of people with disabilities in the labor market has become a widely diffused theme of great social relevance, much to the affirmative action policies for inclusion established in the country, resulting from the struggles of groups of people with disabilities to have their education, health and work rights recognized and contemplated. The result of this process has shown that such actions in this context have led to the improvement of living conditions and human and social development of people with disabilities. In this scenario, information and communication technologies, represented in this work through a Virtual Library of Assistive Solutions, appear as elements of education and constitute a fundamental role in the process of mediation of human action, considering a socio-historical perspective. Based on this premise, the objective of this work is to analyze how we can organize assistive solutions from different sources, so that they can be used in the process of inclusion of people with disabilities in the technical/professional labor market. From then on, we realized the need to propose the development of a web system (virtual library) that could manage assistive solutions in an organized way, and that these contribute with practices that worked well in the labor market environment for people of some type of disability. It is understood that the sharing of practices and actions developed will allow innumerable benefits for institutions, companies and individuals that search for such information, being structured in an organized, centralized and freely accessible manner. Thus, a virtual library of assistive solutions was designed and developed, providing, among other things, usability, accessibility and responsiveness resources, following the main web standards present in the development and validation process. As far as the methodology present in this work, it contemplates a qualitative-quantitative study being the use of "case studies" its main method. The research was complemented with a technological approach due to the development of the virtual library of assistive solutions in question. As for the subjects present in this research, three main contexts were the focus of this research: the educational context (made up of people with a function/position of educational management, such as: course coordinators, Accessibility centers, among others); The labor context (made up of professionals who work in the labor market and perform management/hiring activities, for example: managers of companies, human resources analysts, among others); And finally people with special needs, so that they could collaborate and provide their contribution to the exposed prototype. As results of this work, are the process of technological development employed in the construction of a virtual library and its accessible resources; The validations of usability, accessibility and responsiveness present in this research; and the analysis of the profile of the subjects, their contributions and perspectives regarding the use of a technological tool for management of assistive solutions in their day to day life.

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Osborn, Harold Carr. "Examining Task Conflict and Team Atmosphere in Virtual Teams Engaged in Outsourced Project Work." Diss., NSUWorks, 2019. https://nsuworks.nova.edu/gscis_etd/1092.

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Global teams have become commonplace. As teams have become more dispersed, leveraging outsourced resources has gained popularity. Outsourcing can be a prudent move financially; however, when it is inappropriately applied, the damage it produces can easily overshadow any financial gains. Such ill effects can include impaired employee performance and morale caused by decreased job security. Moreover, it can lead to a less favorable team atmosphere and increased task conflict. This study examined the effects of team virtuality along with the strategic alignment of outsourcing on team performance. The research utilized the intervening processes theory (IPT). The IPT posits that the relationship between certain constructs cannot be measured directly; however, the impact can be measured through other constructs. In the case of this study, it was the impacts of the constructs of virtuality, job security, outsourcing, and team temporariness on team performance. The intervening constructs were team atmosphere and task conflict. The research instrument was an online survey. The results of this survey supported the hypotheses that task conflict was impacted by team virtualization, job security, and team atmosphere. Weak support was provided for the influence of team temporariness on task conflict. The impacts of team virtualization and job security on team atmosphere were not supported. Finally, team performance was influenced by team atmosphere but not task conflict.

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Malmborg, Anna Karin. "Det virtuella studielandskapet : en utvärdering av ett projekt vid Linköpings universitetsbibliotek = ["The virtual study environment"] : [ a project by Linköping University Library] /." Borås : Högsk. i Borås, Bibliotekshögskolan/Biblioteks- och informationsvetenskap, 2004. http://www.hb.se/bhs/slutversioner/2004/04-33.pdf.

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Carvalho, Diego Sousa de. "O gênero e a ciência da saúde: produção em torno da transexualidade no Portal de pesquisa da Biblioteca Virtual de Saúde." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/6/6136/tde-05112014-133335/.

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Este trabalho se compõea partir de levantamento bibliográfico na base de dados do Portal da Biblioteca Virtual de Saúde (BVS), utilizando marcadores específicos sobre a pesquisa em transexualidade. A produção científica será discutida de forma críticano objetivo de explorar de que formas a instituição saúde no corpo teórico reflete suas práticas, sob quais perspectivas tem pensado e descrito o fenômeno da transexualidade, se no campo da doença e das técnicas de intervenção sobre esta, ou se vendo possibilidades de cuidado no campo humano, articulando argumentos do ponto de vista social. Tendo em vista que a genealogia da transexualidade está diretamente ligada à uma instituição clínica, sua instituição como categoria nosológica reflete diretamente na implantação de novos aspectos subjetivos no campo do gênero, e requer constantemente pensar como se dão as estratégias de análise do tema, e se, enquanto categoria clínica, têm se pensado mecanismos de compreensão sensíveis para além do viés patológico. This work has been written over bibliographic revision over Virtual Health Library Search Portal (VHL) database, trough specifical book markings on transsexuality research. Scientific production will be critically discussed in order to explore which ways health institution in a theorical corpus reflects its practices, under which perspectives it has been thinking e describing the transsexuality phenomenon, if in the field of illness and the interventions over it, or seeing possibilities in human care field, articulating arguments of a social standpoint. Considering that the genealogy of transsexuality is directly linked to a clinical institution, its institution as a nosological category reflects directly on the implementation of new subjective aspects in the field of gender, and constantly it requires thinking about how are the strategies of analysis on this theme, and if, as a clinical category, sensitive mechanisms of comprehension have been thought for beyond the pathological bias.

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Esteves, Marcia Cristina Silva. "Representação do conhecimento em biblioteca virtual temática em saúde: dimensões cognitivas do processo de conceitualização de tema." Universidade Federal do Rio de Janeiro / Instituto Brasileiro de Informação em Ciência e Tecnologia, 2012. http://ridi.ibict.br/handle/123456789/775.

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Made available in DSpace on 2015-10-19T11:50:25Z (GMT). No. of bitstreams: 1 esteves2012.pdf: 1850559 bytes, checksum: 581ae9a340169fb48de9751f6ead8acf (MD5) Previous issue date: 2012-03-29 Diante do processo evolutivo e global de difusão do conhecimento e de busca e recuperação da informação, as publicações impressas, aos poucos, são substituídas pelos novos suportes de informação, advindos das novas Tecnologias de Informação e Comunicação (TIC). Essa evolução tecnológica reflete-se no âmbito das bibliotecas e dos repositórios, emergindo diferentes tipos e nomenclaturas - biblioteca digital, biblioteca eletrônica e biblioteca virtual -, bem como ocasiona mudanças significativas no ambiente e na dinâmica informacional, vislumbrando possibilidades de armazenamento, disponibilização e divulgação das informações científicas. No entanto, o extenso universo de informação disponibilizada nas bibliotecas, com o seu crescimento exponencial, apresentam entraves no momento da organização e da representação da informação científica, gerando lentidão e ineficiência na busca e recuperação da informação. No universo de uma Biblioteca Virtual Temática em Saúde (BVTS), visando a melhor compreensão do contexto de bibliotecas temáticas, no âmbito dos repositórios digitais, onde ocorreu o presente estudo, e por se tratar de uma biblioteca virtual de natureza organizacional temática, foi realizado um estudo, tendo como finalidade o entendimento e a definição do conceito Tema. Dessa forma, então, um dos objetivos dessa dissertação é apresentar um processo de conceitualização de Tema, com dimensões cognitivas, que viabilize um modelo conceitual de representação do conhecimento, para ontologia, com integração de abordagens teórico-metodológicas clássicas e não clássicas de organização do conhecimento, almejando a construção de modelos de representação sobre campos conceituais organizados tematicamente e, de modo mais específico sobre o tema saúde da mama .

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Pokomi, Rostand Fankam. "Selection, synthesis and evaluation of novel drug-like compounds from a library of virtual compounds designed from natural products with antiplasmodial activities." University of the Western Cape, 2020. http://hdl.handle.net/11394/7950.

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Magister Pharmaceuticae - MPharm Malaria is an infectious disease which continues to kill more than one million people every year and the African continent accounts for most of the malaria death worldwide. New classes of medicine to combat malaria are urgently needed due to the surge in resistance of the Plasmodium falciparum (the parasite that causes malaria in humans) to existing antimalarial drugs. One approach to circumvent the problem of P. falciparum resistance to antimalarial drugs could be the discovery of novel compounds with unique scaffolds and possibly new mechanisms of action. Natural products (NP) provide a wide diversity of compounds with unique scaffolds, as such, a library of virtual compounds (VC) designed from natural products with antiplasmodial activities (NAA) can be a worthy starting point.

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Lourenço, Regina Goulart. "Biblioteca virtual temática em saúde: interatividade com usuário leigo." Universidade Federal do Rio de Janeiro / Instituto Brasileiro de Informação em Ciência e Tecnologia, 2013. http://ridi.ibict.br/handle/123456789/708.

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Made available in DSpace on 2015-10-19T11:50:09Z (GMT). No. of bitstreams: 1 lourenco2013.pdf: 3863529 bytes, checksum: 13c03e8b3ccce833aeb91a74cc63f62b (MD5) Previous issue date: 2013-03-20 This study presents and analyzes the behavior of layman users, embedded in socioeconomic class C, in the search for health information in the virtual library. This is a literature research and exploratory study to know the potential of interactivity and communication between virtual library and user. The health area was used to cater for the study. Concepts of information, knowledge, virtual library, user behavior, marketing and health promotion are presented. In the research field a set of instruments was used for the gathering of data that included semi-structured interview, questions to characterize the respondent, and the technique of thinking aloud. The results indicated difficulties, barriers and expectations of users in relation to the searches performed in the virtual library. Suggestions are made to expand the interaction between user and virtual library Este estudo apresenta e analisa o comportamento de usuários leigos, inseridos na classe socioeconômica definida como C, na busca por informação sobre saúde em biblioteca virtual. Trata-se de uma pesquisa bibliográfica e exploratória para conhecer o potencial de interatividade comunicacional entre biblioteca virtual e usuário. Utiliza-se a área da saúde para exemplificar o estudo. Conceitos de informação, conhecimento, biblioteca virtual, comportamento de usuário, marketing e promoção da saúde são apresentados. Na pesquisa de campo foi empregado um conjunto de instrumentos para a coleta de dados que incluiu entrevista semiestruturada e questões para caracterizar o entrevistado, além da técnica do protocolo verbal (think aloud). Os resultados apontaram dificuldades, barreiras e expectativas dos usuários em relação às buscas efetuadas na biblioteca virtual. São apresentadas sugestões para ampliar a interação entre biblioteca virtual e usuário

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Robinette, Jennifer Lynn. "UNDERSTANDING INTERACTIVE EXPERIENCES: PERCEIVED INTERACTIVITY AND PRESENCE WITH AND WITHOUT OTHER AVATARS IN THE ONLINE VIRTUAL WORLD SECOND LIFE." UKnowledge, 2011. http://uknowledge.uky.edu/gradschool_diss/145.

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Interactivity research lacks consensus regarding the qualities and consequences of interactive experiences. Empirical proof is needed to substantiate the numerous interactivity theories and provide direction for new media technology developers. Specifically, there is a shortage of research on differences between user experiences of interactivity when technology enables communication versus when it does not. In addition, interactivity research is often confounded by the construct of presence. This study’s objectives included: 1) identifying qualities associated with interactive experiences; 2) disambiguating the constructs of interactivity and presence; and 3) developing a measure of perceived interactivity for VW research. The experimental design measured perceived interactivity and presence following completion of a simple task in the online Virtual World (VW) known as Second Life. It was hypothesized that both perceived interactivity and presence would be greater for subjects encountering avatars believed to be controlled by other people than for subjects encountering no other avatars in the VW. A total of 180 subjects from the University of Kentucky participated in a 2 by 4 factorial experiment. Perceived interactivity was measured by modifying McMillan and Hwang’s Measure of Perceived Interactivity for the VW context. Two essential qualities of interactive experiences were identified: Responsiveness and engagement. These qualities are characteristic of unmediated, FTF conversation, which was perceived as the most interactive communication context above technologies routinely described as interactive. Decreased responsiveness of technology at a second study venue caused significant decline in perceived interactivity, demonstrating the importance of a technology’s reaction speed and control provided to the user. Significant main effects for perceived interactivity due to encountering other avatars were confounded by interaction effects due to differences in technology responsiveness. Interactivity and presence appear to be separate psychological constructs which covary in the context of a new media experience. Implications and directions for future research are discussed.

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Reichel, Günther. "VoBiNet." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-24497.

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Die Vogtlandbibliothek Plauen hat sich den neuen Informationstechniken und dem damit gewandelten Nutzerverhalten durch die Realisierung der Komplettlösung „Onleihe“ der ekz-Tochter DiViBib GmbH erfolgreich gestellt.

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Rabal, Gracia Obdulia. "Herramientas de cribado virtual aplicadas a inhibidores de tirosina quinasas. Contribución al desarrollo del programa PRALINS para el diseño de quimiotecas combinatorias." Doctoral thesis, Universitat Ramon Llull, 2006. http://hdl.handle.net/10803/9303.

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L'aplicació de mètodes de cribatge virtual adquireix cada vegada més importància en el procés de descobriment de fàrmacs, complementant a les tècniques de High-throughput screening per tal de facilitar i contribuir a la comprensió dels mecanismes bioquímics d'actuació dels fàrmacs, donar agilitat i reduir el cost del procés. Pel que fa a la present tesi, l'interès farmacològic és la inhibició de receptors de tirosina cinases. Aquests enzims participen en múltiples processos de senyalització cel·lular, fet que fa que tant la disfunció de les mateixes o el seu paper privilegiat en els mecanismes del cicle cel·lular les converteixin en diana farmacològica de malalties com el càncer i altres relacionades amb desordres hiperproliferatius, migratoris, del desenvolupament embrionari i malalties vasculars. Una de las estratègies d'inhibició més usuals és el bloqueig del lloc d'unió de l'ATP a través de molècules orgàniques com les piridopirimidines, heterocicles especialment interessants per al grup d'investigació en el qual es desenvolupa aquest treball per la seva àmplia experiència sintètica en aquests sistemes. En la present tesi s'exploren i validen gran part de les tècniques de cribatge virtual amb l'objectiu d'establir una seqüència jerarquitzada de filtres que permetin avaluar aquells compostos candidats a ser sintetitzats. Els successius passos de filtrat inclouen la selecció de compostos d'una quimioteca virtual a partir de la diversitat o representativitat de l'espai químic, l'aplicació de recerques de similitud i models farmacofòrics construïts a partir d'inhibidors coneguts, un filtrat mitjançant docking o acoblament dels inhibidors a la cavitat d'unió d'aquestes proteïnes i mètodes de predicció de l'afinitat d'unió d'una sèrie de lligands. La jerarquia d'aquestes etapes s'imposa a partir de la diferència de recursos computacionals que requereix cadascuna d'elles, sent aquests cada vegada superiors. Els mètodes han estat validats retrospectivament en bases de dades formades per compostos actius recopilades de la bibliografia. Una vegada validades, han permès la caracterització prospectiva dels candidats sintètics. S'ha dissenyat un fingerprint d'interacció estructural proteïna-lligand basat en el concepte de parells atòmics (IFbAP) destinat a facilitar el postprocessat dels resultats de docking, aplicant-se com a filtre en un cribatge virtual. La seva capacitat per a discriminar entre compostos actius e inactius s'analitza per a tres dianes: el receptor d'estrogen, el receptor del factor de creixement de fibroblasts i la transcriptasa reversa del HIV. Paral·lelament, s'ha seguit amb el desenvolupament del programa PRALINS (Program for Rational Analysis of Libraries in Silico), programa dirigit al disseny de quimioteques combinatòries virtuals que incorpora els principals criteris de selecció basats en diversitat. En el context de les quimioteques combinatòries focalitzades, es proposa un nou mètode (Direct), la capacitat de focalització del qual s'ha testat front als mètodes tradicionals, també implementats a PRALINS. Així mateix s'incorporen i analitzen mètodes d'avaluació de diversitat, suggerint-se un mètode (cell-integral-diversity criterion) destinat a superar els desavantatges dels mètodes tradicionals. S'incorporen els algoritmes genètics a PRALINS com a tècnica d'optimització, tant d'un únic criteri de diversitat/similitud com per a realitzar optimitzacions multiobjetiu. En l'àmbit d'una altra línia d'investigació del grup dirigida cap al desenvolupament d'inhibidors del procés de fusió del HIV, s'estudia el mode d'unió de dos antagonistes de CXCR4 i CCR5, receptors cel·lulars de la família de les GPCRs implicats en aquesta etapa del cicle del virus. La aplicación de métodos de cribado virtual cobra cada vez más importancia en el proceso de descubrimiento de fármacos, complementando a las técnicas de High-throughput screening con el fin de facilitar y contribuir a la comprensión de los mecanismos bioquímicos de actuación de los fármacos, agilizar y reducir el coste del proceso. En particular, el interés farmacológico de la presente tesis es la inhibición de receptores de tirosina quinasas. Estos enzimas participan en múltiples procesos de señalización celular, por lo que tanto la disfunción de las mismas o su papel privilegiado en los mecanismos del ciclo celular las convierten en diana farmacológica de enfermedades como el cáncer y otras relacionadas con desórdenes hiperproliferativos, migratorios, del desarrollo embrionario y enfermedades vasculares. Una de las estrategias de inhibición más usuales es el bloqueo del sitio de unión del ATP a través de moléculas orgánicas como las piridopirimidinas, heterociclos especialmente interesantes para el grupo de investigación en el que se desarrolla este trabajo por su amplia experiencia sintética en dichos sistemas. En la presente tesis se exploran y validan gran parte de las técnicas de cribado virtual con el objetivo de establecer una secuencia jerarquizada de filtros que permitan evaluar aquellos compuestos candidatos a ser sintetizados. Los sucesivos pasos de filtrado incluyen la selección de compuestos de una quimioteca virtual a partir de la diversidad o representatividad del espacio químico, la aplicación de búsquedas de similitud y modelos farmacofóricos construidos a partir de inhibidores conocidos, un filtrado mediante docking o acoplamiento de los inhibidores en la cavidad de unión de estas proteínas y métodos de predicción de la afinidad de unión de una serie de ligandos. La jerarquía de estas etapas se impone a partir de la diferencia de recursos computacionales que requiere cada una de ellas, siendo éstos cada vez superiores. Los métodos han sido validados retrospectivamente en bases de datos formadas por compuestos activos recopilados de la bibliografía. Una vez validadas, han permitido la caracterización prospectiva de los candidatos sintéticos. Se ha diseñado un fingerprint de interacción estructural proteína-ligando basado en el concepto de pares atómicos (IFbAP) destinado a facilitar el postprocesado de los resultados de docking, aplicándose como filtro en un cribado virtual. Su capacidad para discriminar entre compuestos activos e inactivos se analiza para tres dianas: el receptor de estrógeno, el receptor del factor de crecimiento de fibroblastos y la transcriptasa reversa del HIV. Paralelamente, se ha continuado con el desarrollo del programa PRALINS (Program for Rational Analysis of Libraries in Silico), programa dirigido al diseño de quimiotecas combinatorias virtuales que incorpora los principales criterios de selección basados en diversidad. En el contexto de las quimiotecas combinatorias focalizadas, se propone un nuevo método (Direct), cuya capacidad de focalización se ha testado frente a los métodos tradicionales, también implementados en PRALINS. Asimismo se incorporan y analizan métodos de evaluación de diversidad, sugiriéndose un método (cell-integral-diversity criterion) destinado a superar las desventajas de los métodos tradicionales. Se incorporan los algoritmos genéticos en PRALINS como técnica de optimización, tanto de un único criterio de diversidad/similitud como para realizar optimizaciones multiobjetivo. En el ámbito de otra línea de investigación del grupo dirigida hacia el desarrollo de inhibidores del proceso de fusión del HIV, se estudia el modo de unión de dos antagonistas de CXCR4 y CCR5, receptores celulares de la familia de las GPCRs implicados en dicha etapa del ciclo del virus. Virtual screening is progressively gaining importance in the drug discovery process, complementing high-throughput screening in order to facilitate and contribute to the understanding of the action mechanism of drugs, while expediting and reducing the cost of the process. The pharmacological focus of this thesis lies in the inhibition of tyrosine kinase receptors. These enzymes are the critical components of signalling pathways, so both their dysfunction and their privileged role in the cell cycle pathways make them pharmacological targets in diseases such as cancer and others related to hyperproliferative disorders, migratory disorders, embryonic development and vascular pathologies. One of the most common strategies of inhibition is the blockage of the ATP binding site by small organic molecules such as pyridopyrimidines, which are of particular interest for the research group where this project was carried out due to our wide experience in the synthesis of these heterocycles. In the present thesis, most of the techniques currently employed in virtual screening are explored and validated with the aim of establishing a hierarchical database of screening to be used in the evaluation of drug candidates to be synthesized. The successive filtering steps include compound selection from a combinatorial library based on diversity or representativity of the chemical space, pharmacophore similarity searches, docking and affinity predictions for a series of ligands. The different strategies have been retrospectively validated in databases containing active compounds compiled from literature. After validation, they have been applied in the prospective characterization of the synthetic candidates. A structural interaction fingerprint has been designed, based on the concept of atomic pairs (IFbAP), for the post processing of docking outputs as a filter step in virtual screening. Its ability to discern between active and inactive compounds has been analysed for three targets: estrogen receptor, fibroblast growth factor receptor and HIV reverse transcriptase. We have also continued developing the PRALINS program (Program for Rational Analysis of Libraries in Silico), a program for the design of combinatorial libraries, which incorporates the main diversity selection criteria. In the context of focused combinatorial libraries, we propose a new method (Direct), whose ability to focalise has been compared to the traditional methodologies also implemented in PRALINS. Moreover, different diversity evaluation criteria have been compared, introducing a new method (cell-integral-diversity criterion) aimed at surpassing the disadvantages of traditional techniques. We have implemented genetic algorithms as optimisation techniques, both for unique diversity/similarity criterion and for carrying out multiobjective optimisations. Within another research area of interest for the group, directed towards the development of inhibitors of the HIV fusion process, we study the binding mode for CXCR4 and CCR5 antagonists.

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Sarnowski, Daniella. "Entwicklung eines virtuellen Fachbibliotheksportals im Internet für die Film-, Fernseh-, und Medienwissenschaft (virtual library film and media studies) mithilfe der Erhebung und Bedarfsanalyse spezifischer Informationsanforderungen." [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=968852831.

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Meißner, Birgit. "Neue Partner und Angebote der Virtuellen Fachbibliothek für Gegenwartskunst (ViFaArt) der SLUB." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2008. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1204891564462-22774.

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Das Themenfeld der Gegenwartskunst ist farbenreich, vielfältig und lässt sich nur schwer einem Ordnungssystem unterwerfen. Informationen entstehen täglich in kaum erfassbarem Umfang. Wegweiser sind gefragt, Navigationshilfen, die gezielt zur gesuchten Information führen. Bibliotheken besitzen das Know-how, diese Wegweiser- Funktion zu erfüllen.

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Chandra, Smita, and Vivek Patkar. "ICTS: A catalyst for enriching the learning process and library services in India." Elsevier, 2007. http://hdl.handle.net/10150/106060.

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The advances in ICTs have decisively changed the library and learning environment. On the one hand, ICTs have enhanced the variety and accessibility to library collections and services to break the barriers of location and time. On the other, the e-Learning has emerged as an additional medium for imparting education in many disciplines to overcome the constraint of physical capacity associated with the traditional classroom methods. For a vast developing country like India, this provides an immense opportunity to provide even higher education to remote places besides extending the library services through networking. Thanks to the recent initiatives by the public and private institutions in this direction, a few web-based instruction courses are now running in the country. This paper reviews different aspects of e-Learning and emerging learning landscapes. It further presents the library scene and new opportunities for its participation in the e-Learning process. How these ICTs driven advances can contribute to the comprehensive learning process in India is highlighted.

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Yamanaka, Thaisa Bechelli. "BIBLIOTECA VIRTUAL: UMA ANÁLISE DOS FATORES ANTECEDENTES DA INTENÇÃO DE USO DOS ESTUDANTES DO ENSINO SUPERIOR." Universidade Metodista de São Paulo, 2015. http://tede.metodista.br/jspui/handle/tede/86.

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Made available in DSpace on 2016-08-02T21:42:41Z (GMT). No. of bitstreams: 1 Thaisa Bechelli Yamanaka2.pdf: 1549749 bytes, checksum: 040f32a5a9d1704a5c0ae8060fc81262 (MD5) Previous issue date: 2015-06-25 Several studies on the acceptance and use of information technology have been conducted by different conceptual models that seek to demonstrate the existence of factors that influence the intention and behavior of users on a particular information system. Some aspects that enhance the use of intentions can be essential for the individual to choose whether or not a particular technology. This study examined the background factors that can influence the intended use of the Virtual Library of an Institution of Higher Education. Among the conceptual models studying the adoption of information technology, it was decided in this study the use of Technology Acceptance Model (TAM) proposed by Davis (1986). In this model the external variables were also added stimulus Professor and smoker in order to expand the power of explanation of the intended use of the users in question. Through a quantitative research approach, data were collected through a survey tool to obtain 406 questionnaires responses. The results of this research confirms that the influence of various factors positioned in different dimensions provide findings relevant to the adoption of virtual library. It concludes that the Teacher Incentive positively influences Ease of Use, Perceived Usefulness and the Habit of undergraduate students on the intended use of the Virtual Library. Thus, it was found that the influence of the teacher becomes a determining factor in the use of virtual library intention, which emphasizes the importance of guidance and recommendation of teachers in the use of this technological tool. The study concluded that the perceived usefulness proved to be the factor that most influences the intention to use this technology because there is a perception that if the student will use the virtual library, you can improve your performance in studies, among others. The habit can also influence the adoption of a virtual library in parallel to perceptions about the benefits that can be obtained from the use of this technology. Diversos estudos sobre a aceitação e o uso de tecnologias de informação têm sido realizados por diferentes modelos conceituais que buscam demonstrar a existência de fatores que influenciam a intenção e comportamento dos usuários sobre um determinado sistema de informação. Alguns aspectos que potencializam as intenções de uso podem ser fundamentais para que o indivíduo adote, ou não, uma determinada tecnologia. Este estudo analisou os fatores antecedentes que podem influenciar a intenção de uso da Biblioteca Virtual de uma Instituição de Ensino Superior (IES). Dentre os modelos conceituais que estudam a adoção de tecnologias de informação, optou-se nesta pesquisa pelo Modelo de Aceitação de Tecnologia (TAM) proposto por Davis (1986). Neste modelo ainda foram adicionadas as variáveis externas Estímulo Docente e Hábito a fim de ampliar o poder de explicação da intenção de uso dos usuários em questão. Através de uma abordagem de investigação quantitativa, os dados foram coletados por meio de um instrumento de pesquisa com obtenção de resposta de 406 questionários. Os resultados obtidos por esta pesquisa confirmam a influência de diversos fatores posicionados em diferentes dimensões e proporcionam conclusões relevantes à adoção da biblioteca virtual. Conclui-se que o Estímulo Docente influencia positivamente a Facilidade de Uso, Utilidade Percebida e o Habito dos alunos de graduação sobre a intenção de uso da Biblioteca Virtual. Com isso, constatou-se que a influência do professor torna-se um fator determinante na intenção de uso da biblioteca virtual, o que ressalta a importância da orientação e recomendação dos professores no uso desta ferramenta tecnológica. O estudo concluiu que a utilidade percebida revelou-se o fator que mais influencia a intenção de uso desta tecnologia, pois há a percepção de que, caso o aluno venha utilizar a biblioteca virtual, pode-se melhorar seu desempenho nos estudos, entre outros aspectos. O Hábito também pode influenciar à adoção da biblioteca virtual de forma paralela às percepções sobre os benefícios que podem ser obtidos com o uso desta tecnologia.

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Sarkar, Aurijit. "DEVELOPMENT AND APPLICATIONS OF THE HINT FORCEFIELD IN PREDICTION OF ANTIBIOTIC EFFLUX AND VIRTUAL SCREENING FOR ANTIVIRALS." VCU Scholars Compass, 2010. http://scholarscompass.vcu.edu/etd/2266.

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This work was aimed at developing novel tools that utilize HINT, an empirical forcefield capable of quantitating both hydrophobic and hydrophilic (hydropathic) interactions, for implementation in theoretical biology and drug discovery/design. The role of hydrophobicity in determination of macromolecular structure and formation of complexes in biological molecules is undeniable and has been the subject of research across several decades. Hydrophobicity is introduced, with a review of its history and contemporary theories. This is followed by a description of various methods that quantify this all-pervading phenomenon and their use in protein folding and contemporary drug design projects – including a detailed overview of the HINT forcefield. The specific aim of this dissertation is to introduce our attempts at developing new methods for use in the study of antibacterial drug resistance and antiviral drug discovery. Multidrug efflux is commonly regarded as a fast growing problem in the field of medicine. Several species of microbes are known to have developed resistance against almost all classes of antibiotics by various modes-of-action, which include multidrug transporters (a.k.a. efflux pumps). These proteins are present in both gram-positive and gram-negative bacteria and extrude molecules of various classes. They protect the efflux pump-expressing bacterium from harmful effects of exogenous agents by simply evacuating the latter. Perhaps the best characterized mechanism amongst these is that of the AcrA-AcrB-TolC efflux pump. Data is available in literature and perhaps also in proprietary databases available with pharmaceutical companies, characterizing this pump in terms of the minimum inhibitory concentration ratios (MIC ratios) for various antibiotics. We procured a curated dataset of 32 β-lactam and 12 antibiotics of other classes from this literature. Initial attempts at studying the MIC ratios of β-lactam antibiotics as a function of their three dimensional topology via 3D-quantitative structure activity relationship (3D-QSAR) technology yielded seemingly good models. However, this methodology is essentially designed to address single receptor-ligand interactions. Molecules being transported by the efflux pump must undoubtedly be involved in multiple interactions with the same. Notably, such methods require a pharmacophoric overlap of ligands prior to the generation of models, thereby limiting their applicability to a set of structurally-related compounds. Thus, we designed a novel method that takes various interactions between antibiotic agents and the AcrA-AcrB-TolC pump into account in conjunction with certain properties of the drugs. This method yielded mathematical models that are capable of predicting high/low efflux with significant efficiency (>93% correct). The development of this method, along with the results from its validation, is presented herein. A parallel aim being pursued by us is to discover inhibitors for hemagglutinin-neuraminidase (HN) of human parainfluenza virus type 3 (HPIV3) by in silico screening. The basis for targeting HN is explored, along with commentary on the methodology adopted during this effort. This project yielded a moderate success rate of 34%, perhaps due to problems in the computational methodology utilized. We highlight one particular problem – that of emulating target flexibility – and explore new avenues for overcoming this obstacle in the long run. As a starting point towards enhancing the tools available to us for virtual screening in general (and for discovering antiviral compounds in specific), we explored the compatibility between sidechain rotamer libraries and the HINT scoring function. A new algorithm was designed to optimize amino acid residue sidechains, if provided with the backbone coordinates, by generating sidechain positions using the Dunbrack and Cohen backbone-dependent rotamer library and scoring them with the HINT scoring function. This rotamer library was previously used by its developers previously to design a very successful sidechain optimization algorithm called SCWRL. Output structures from our algorithm were compared with those from SCWRL and showed extraordinary similarities as well as significant differences, which are discussed herein. This successful implementation of HINT in our sidechain optimization algorithm establishes the compatibility between this forcefield and sidechain rotamer libraries. Future aims in this project include enhancement of our current algorithm and the design of a new algorithm to explore partial induced-fit in targets aimed at improving current docking methodology. This work shows significant progress towards the implementation of our hydropathic force field in theoretical modeling of biological systems in order to enhance our ability to understand atomistic details of inter- and intramolecular interactions which must form the basis for a wide variety of biological phenomena. Such efforts are key to not only to understanding the said phenomena, but also towards a solid basis for efficient drug design in the future.

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CRUZ, Vilma Aparecida. "Competências Informacionais dos Alunos dos Cursos a Distância da UNOPAR no Uso da Biblioteca Digital." http://www.teses.ufc.br, 2007. http://www.repositorio.ufc.br/handle/riufc/2975.

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CRUZ, Vilma Aparecida Gimenes. Competências informacionais dos alunos dos cursos a distância da UNOPAR no uso da biblioteca digital. 2007. 98f. Dissertação (Mestrado em Tecnologia da Informação e Comunicação na Formação de EAD) – Universidade Federal do Ceará, Programa de Pós-Graduação em Tecnologia da Informação e Comunicação na Formação de EAD, Londrina- PR, 2007. Submitted by Maria Josineide Góis (josineide@ufc.br) on 2012-06-29T14:10:29Z No. of bitstreams: 1 2007_Dis_VAGCRUZ.pdf: 928277 bytes, checksum: 5dca9c487e03a952139c5793b882a70a (MD5) Approved for entry into archive by Maria Josineide Góis(josineide@ufc.br) on 2012-07-04T14:25:39Z (GMT) No. of bitstreams: 1 2007_Dis_VAGCRUZ.pdf: 928277 bytes, checksum: 5dca9c487e03a952139c5793b882a70a (MD5) Made available in DSpace on 2012-07-04T14:25:39Z (GMT). No. of bitstreams: 1 2007_Dis_VAGCRUZ.pdf: 928277 bytes, checksum: 5dca9c487e03a952139c5793b882a70a (MD5) Previous issue date: 2007 This study about the information literacy of students from distance courses of UNOPAR in has the main characteristic of availability of a big flow of information through the technologies and information, it verifies that this information needs to be identified, advised and assimilated in such a way to contribute with the learning process of students. Situating, in this scene, the function of digital libraries in the organization of information with the concern in turning great the technological and human resources in a fast and efficient way reaching a high number of users at the same time. It highlights, however, the important function of digital libraries, considered essential tools in distance courses, to permit the availability of information and its assimilation, changing it in the new knowledges and contributing to the development of abilities and necessary competences to the autonomous learner also, independent and responsible. Its goal is to observe if the students of distance course offered by UNOPAR, when using the Digital Library, develop these competences, using the standarts of informative competence (information literacy) presented by American Library Association, available in literature to evaluate manage and use the available information in digital objects which compose the collection of this library. The research characterizes itself as an explore study, using sample which can be considered non-probabilistic, accidental or arbitrary in the choice of its answers in the universe of enrolled students, once they were considered, as an effect of data analyse just the answered questionnaires among those which where sent to all the population of students in the Connected Presence Learning System of UNOPAR. The collection of data was accomplished using a questionnaire, available in a web site of restricted access to the student giving him/her guarantee that his/her identity is not going to be identified at any time of collecting data process, protecting in this way the secrecy of his/her answers and his/her anonymity. The approach of analyse was qualitative and quantitative. The results of studies permit to claim that the students demonstrated a development in informative competences established in the 22 constant indicators from 5 proposed standarts by ALA in the literature of area about information literary. Este estudo sobre as competências informacionais dos alunos dos cursos a distância da UNOPAR no uso da Biblioteca Digital parte da constatação de que a sociedade em que vivemos tem como principal característica a disponibilização de um grande fluxo de informações por meio das tecnologias de comunicação e informação, e verifica que essa informação precisa ser identificada, acessada e assimilada de forma a contribuir com o processo de aprendizagem dos estudantes. Situa, nesse cenário, o papel das bibliotecas digital na organização e disseminação da informação com a preocupação de otimizar os seus recursos tecnológicos e humanos de forma rápida e eficiente alcançando um número extremante elevado de usuários ao mesmo tempo. Ressalta, portanto, a importante função das bibliotecas digitais, consideradas ferramentas essenciais nos cursos a distância, para permitir que as informações disponíveis sejam assimiladas e transformadas em novos conhecimentos e colaborando com o desenvolvimento de habilidades e competências necessários ao aprendiz autônomo, independente e responsável. Tem como objetivo constatar se os alunos dos cursos a distância oferecidos pela UNOPAR, ao fazerem uso da Biblioteca Digital, desenvolvem essas competências, utilizando-se dos padrões de competência informanional (information literacy) apresentados pela American Library Association, disponíveis na literatura, para avaliar, gerenciar e usar a informação disponível nos objetos digitais que compõem o acervo dessa biblioteca. A pesquisa caracteriza-se como um estudo exploratório, utilizando-se de amostragem que pode ser considerada não-probabilística, acidental ou aleatória, na escolha dos seus respondentes no universo dos estudantes matriculados, uma vez que foram considerados, para efeito de análise dos dados, apenas os questionários respondidos dentre aqueles enviados a toda a população de estudantes do Sistema Presencial conectado da UNOPAR. A coleta de dados foi realizada mediante de um questionário, disponibilizado em um site de acesso restrito ao estudante garantindo-se que sua identidade não fosse identificada em nenhum momento do processo de coleta de dados, preservando-se dessa forma, o sigilo quanto as suas respostas e o seu anonimato. A abordagem de análise foi qualitativa e quantitativa. Os resultados do estudo permitem afirmar que os estudantes demonstram ter desenvolvido as competências informacionais estabelecidas nos 22 indicadores constantes dos cinco padrões propostos pela ALA na literatura da área sobre competência informacional.

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Dissertations / Theses on the topic 'Virtual library'

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