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1
Gupta, Anjum. "New framework for cross-domain document classification." Monterey, California. Naval Postgraduate School, 2011. http://hdl.handle.net/10945/10786.
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Automatic text document classification is a fundamental problem in machine learning. Given the dynamic nature and the exponential growth of the World Wide Web, one needs the ability to classify not only a massive number of documents, but also documents that belong to wide variety of domains. Some examples of the domains are e-mails, blogs, Wikipedia articles, news articles, newsgroups, online chats, etc. It is the difference in the writing style that differentiates these domains. Text documents are usually classified using supervised learning algorithms that require large set of pre-labeled data. This requirement, of labeled data, poses a challenge in classifying documents that belong to different domains. Our goal is to classify text documents in the testing domain without requiring any labeled documents from the same domain. Our research develops specialized cross-domain learning algorithms based the distributions over words obtained from a collection of text documents by topic models such as Latent Dirichlet Allocation (LDA). Our major contributions include (1) empirically showing that conventional supervised learning algorithms fail to generalize their learned models across different domains and (2) development of novel and specialized cross-domain classification algorithms that show an appreciable improvement over conventional methods used for cross-domain classification that is consistent for different datasets. Our research addresses many real-world needs. Since massive number of new types of text documents is generated daily, it is crucial to have the ability to transfer learned information from one domain to another domain. Cross-domain classification lets us leverage information learned from one domain for use in the classification of documents in a new domain.
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Lachenmann, Andreas. "A cross-layer framework for sensor networks." [S.l. : s.n.], 2008. http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-35683.
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Alalwany, Hamid. "Cross disciplinary evaluation framework for e-health services." Thesis, Brunel University, 2010. http://bura.brunel.ac.uk/handle/2438/8216.
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E-health is an emerging field in the intersection of information systems, healthcare and business management, referring mainly to healthcare services delivered and enhanced through the use of information and communication technologies (ICT). In a broader sense, the term characterizes not only a technical development, but also a wider way of thinking, an attitude, and a commitment for a network to improve and connect provider, patients and governments. Such a network will be used to educate and inform healthcare professionals, managers and healthcare users; to stimulate innovation in care delivery and health system management; and to improve the healthcare system locally, regionally, and globally. The evaluation of e-health services in both theory and practice has proved to be important and complex. E-health evaluation will help achieve better user services utilization, justify the enormous investments of governments on delivering e-health services, and address the aspects that are hampering healthcare services from embracing the full potential of ICT towards successful e-health initiatives. The complexity of evaluation is mostly due to the challenges faced at the intersection of three areas, each well-known for its complexity; healthcare services, information systems, and evaluation methodologies. However, despite the importance of the evaluation of e-health services, literature shows that e-health evaluation is still in its infancy in terms of development and management. The aim of this research study is to develop, and assess a cross disciplinary evaluation framework for e-health services and to propose evaluation criteria for better user’s utilization and satisfaction of e-health services. The evaluation framework is criteria based, while the criteria are determined by an evaluation matrix of three elements, the evaluation rationales, the evaluation timeframes, and the evaluation stakeholders. The evaluation criteria have to be multi-dimensional as well as grounded in, or derived from, one or more specific perspectives or theories. The framework is designed to deal effectively with the challenges of e-health evaluation and overcome the limitation of existing evaluation frameworks. The cross disciplinary evaluation framework has been examined and validated by adopting an interpretive case study methodology. The chosen case study is NHS direct which is currently one of the largest e-health services in the world. The data collection process has been carried out by using three research methods; archival records, documentation analysis and semi-structured interviews. The use of multiple methods is essential to generate comparable data patterns and structures, and enhance the reliability of conclusions through data triangulation. The contribution of the research study is in bridging the gap between the theory and practice in the evaluation of e-health services by providing an efficient evaluation framework that can be applied to a wide range of e-health application and able to answer real-world concerns. The study also offers three sets of well-argued and balanced hierarchies of evaluation criteria that influence user’s utilization and satisfaction of e-health services. The evaluation criteria can be used to help achieve better user services utilization, to serve as part of e-health evaluation framework, and to address areas that require further attention in the development of future e-health initiatives.
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Brady, Richard. "A Cross Platform Framework for Software Defined Radio." Thesis, Stellenbosch : University of Stellenbosch, 2007. http://hdl.handle.net/10019.1/2056.
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Thesis (MScEng (Electical and Electronic Engineering))--University of Stellenbosch, 2007.<br>Software defined radios (SDRs) implement in software those parts of a radio which have
traditionally been implemented in analogue hardware. We explain the importance of this
definition and introduce reconfigurability and portability as two further goals. Reconfigurabilty
is a property of the SDR platform, which may be a microprocessor, configurable
hardware device, or combination of the two. We demonstrate that the field-programmable
gate array is suficient for the implementation of practical SDR systems. Portability, on the
other hand, is a property of the modulation and demodulation software, also known as waveform
specification software. We evaluate techniques for achieving portability and show that
waveforms can be specified in a generic form suitable for the autogeneration of implementations
targetting both microprocessor- and FPGA-based architectures. The generated code
is in C++ and VHDL respectively, and the tools used include formal models of computation
and the XSLT language.
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Stender, Simon, and Hampus Åkesson. "Cross-platform Framework Comparison : Flutter & React Native." Thesis, Blekinge Tekniska Högskola, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-19749.
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The development of apps in a cross-platform framework is something that has been appearing more over the latest years. But the knowledge of knowing which of the two popular frameworks, React Native, and Flutter are most efficient when it comes to resource management and general comparisons are less known. This is what this thesis investigates. To find out the comparisons between React Native and Flutter we created two similar apps and document the process of creating an app with the selected frameworks. To get data on the differences when developing an app with these frameworks, we made a survey to get more experienced developers' input. We then did performance tests of the apps to be able to compare the results of the respective framework. The applications we built had several similar functionalities that we used to measure the performance. We also touched on the subject of comparison between a cross-platform framework and a native framework. To do this we performed a literature review on related work to conclude the approaches. From our result, we could conclude that the performance of the Flutter app had a slight advantage over the React Native app. But the difference was not that remarkable, and the overall development was fairly similar. There were some differences to the approaches of development when it came to less experienced developers compared to more experienced developers which we learn from our survey. More experienced developers tended to use external debugging tools, while less experienced used built-in tools such as console commands. Finally, we want to conclude that both Flutter and React Native has their pros and cons. Both frameworks have a big community which is growing everyday, but we believe that Flutter might overtake the popularity from React Native due to its slight performance superiority.From our literature review we can conclude that both approaches has their advantages and it depends a lot on the concept of the app. When developing a more complex app, the native approach is superior. When developing smaller apps with shorter life periods, cross-platform will faster get the app on the market.
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Weyulu, Victoria. "The Reform of Namibia’s Cross-Border Insolvency Framework." Thesis, University of the Western Cape, 2015. http://hdl.handle.net/11394/4773.
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Magister Legum - LLM<br>This paper argues that there is a need for an improved cross-border insolvency regime as the common law principles applied in Namibia are outdated and thus ill-equipped to deal with present-day complex issues of cross-border insolvency. The lack of literature on issues of crossborder insolvency belies the importance of cross-border insolvency in African developing countries like Namibia who seek to encourage trade and investment in the hope of achieving economic development. In the final section of chapter one, the paper will consider the Model Law as the basis needed to develop clear, fair and predictable rules to effectively deal with the
various aspects of cross-border insolvencies in Namibia.
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Nerantzi, Chrissi. "Towards a framework for cross-boundary collaborative open learning for cross-institutional academic development." Thesis, Edinburgh Napier University, 2017. http://researchrepository.napier.ac.uk/Output/1025583.
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This phenomenographic study, explores the collaborative open learning experience of academic staff and open learners in cross-institutional academic development settings, and adds to what is known in these settings. It provides new insights for academic developers and course designers about the benefits of crossing boundaries (i.e. open learning) in an academic development context and proposes an alternative model to traditional academic Continuing Professional Development (CPD). It engages academic staff in experiencing novel approaches to learning and teaching and developing as practitioners through engagement in academic CPD that stretches beyond institutional boundaries, characterised by diversity and based on collaboration and openness. Data collection was conducted using a collective case study approach to gain insights into the collective lived collaborative open learning experience in two authentic cross-institutional academic development settings with collaborative learning features designed in. At least one of the institutions involved in each course was based in the United Kingdom. Twenty two individual phenomenographic interviews were conducted and coded. The findings illustrate that collaborative open learning was experienced as two dynamic immersive and selective patterns. Boundary crossing as captured in the categories of description and their qualitatively different variations, shaped that experience and related to modes of participation; time, place and space; culture and language as well as diverse professional contexts. Facilitator support and the elasticity of the design also positively shaped this experience. The community aspect influenced study participants' experience at individual and course level and illuminated new opportunities for academic development practice based on cross-boundary community-led approaches. The findings synthesised in the phenomenographic outcome space, depicting the logical relationships of the eleven categories of description in this study, organised in structural factors, illustrate how these contributed and shaped the lived experience, together with a critical discussion of these with the literature, aided the creation of the openly licensed cross-boundary collaborative open learning framework for cross-institutional academic development, the final output of this study. A design tool developed from the results is included that aims to inform academic developers and other course designers who may be considering and planning to model and implement such approaches in their own practice.
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Adams, Pedro Duan. "An international marketing framework for Ford South Africa in Nigeria." Thesis, Nelson Mandela Metropolitan University, 2016. http://hdl.handle.net/10948/3869.
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Africa is seen as the last investment frontier and according to literature will have a GDP of $1.5 trillion by the year 2016 and a population that is double the size of Europe. The rapid expansion of infrastructure and construction in African countries, such as Mozambique and Zambia has increased the demand for commercial vehicles. This has sparked unparalleled marketing opportunities for automotive manufacturers and the continent is fast attracting major players in this sector. The international marketing literature still lacks detailed studies and research into the marketing deliberations and trades in Africa. Therefore, according literature a greater representation of African culture within the international marketing literature would provide relevance and richness in the global market place and offer greater insight to organisations who are seeking to invest and expand their businesses in Africa. The management issue here is to comprehend the diversity and vastness of this region and putting together all spheres to ensure growth and creating brand loyalty. The key challenge here is for management to be able to grasp and understand not only the various cultures but also the way of doing business in such a vastly different region. It is therefore imperative for Ford Motor Company to fully understand these factors so as to take full advantage associated with entering a market early which is commonly referred as first-mover-advantage. A case in point is when General Motors entered the Chinese automotive industry in 1997 when the Chinese market was relatively small. General Motors’ enthusiasm and commitment back in 1997 was driven by a belief that China would ultimately become an economic powerhouse and emerge as one of the world’s largest automotive markets. By the year 2010 China was one of the world’s biggest automotive markets and General Motors was a dominant force in this market. Africa has all the key elements for the growth and development of a robust automotive market. By studying past experiences and outcomes from empirical studies on international marketing with emphasis on the automotive industry, it will be possible to draw lessons and experience about the potential growth of the automotive sector on the African continent. This study will also be of great significance to other automotive manufacturers and suppliers looking to expand their business and market share across Africa due to the increase of the middle class. Therefore creative strategies and thinking of how to circumvent challenges in the African cultural environment, creativity in managing bureaucracy and due diligence about business and investment opportunities will uncover unprecedented volumes of profitable business that lies untapped on the African continent. Data from the quantitative study suggest that culture, political environment, country-of-origin, competition and country infrastructure in Nigeria, are essential factors to the development of a successful international marketing strategy for Ford South Africa. This study therefore concludes that Ford Motor Company of South Africa can utilize this framework in order to gain greater market share and ultimately success in Nigeria. Recommendations were also made for future research studies that can contribute to the international marketing literature with emphasis on the African market.
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Byrd, Peter R. "Test plan framework for Cross Domain Solution (CDS) devices." Monterey, Calif. : Naval Postgraduate School, 2010. http://edocs.nps.edu/npspubs/scholarly/JAP/2010/Jun/10Jun%5FByrd%5FJAP.pdf.
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"Submitted in partial fulfillment of the requirements for the degree of Master of Science in [Program Management] from the Naval Postgraduate School, June 2010."<br>Advisor(s): Naegle, Brad ; Boudreau, Michael W. "June 2010." "Joint applied project"--Cover. Description based on title screen as viewed on July 14, 2010. Author(s) subject terms: CDS, CT&E, NSA, NIST, RDAC Includes bibliographical references (p. 29). Also available in print.
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Schroth, Christoph. "A modular architecture framework for cross-organizational electronic interaction /." [S.l.] : [s.n.], 2009. http://swbplus.bsz-bw.de/bsz311472478inh.htm.
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Kornilova, Olga. "Visual Framework for Cross-Disciplinary Specification of Digital Products." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-285917.
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A more integrated collaboration between different disciplines and stakeholders in the process of software development affects the quality of the end product and its user experience. The diversity of methodologies across the disciplines creates a need for an aligned set of practices, such as Agile User-Centered Design (AUCD), which is a cross-disciplinary integration of the Agile and User-Centered Design (UCD) methodologies. The initial research part of this work focuses on identifying the main challenges and needs of cross-disciplinary teams, particularly in AUCD. The research methodology is based on a systematic review of the latest academic publications in the area, complemented by surveying the digital industry practitioners from multiple disciplines. The identified challenges and needs are then addressed by proposing a solution: Digital Product Mapping Framework for the documentation of a holistic digital product specification in a visual way. The framework outcome is a design artifact that can be used as a communication medium for both designers, developers, and other stakeholders. The validation of design artifacts showcased its high readability rate among first-time users. Additionally, empirical user tests proved that such documentation of the digital product specification can facilitate the collaboration of cross-disciplinary teams and support such software development activities as maintaining a shared vision and estimation of project cost and scope. This research work presents the following methodologies that can be valuable for both further academic research and for industry practitioners: synthesis and validation of the challenges and needs of cross-disciplinary teams; a set of recommendations for the specification documentation practices for AUCD; design principles for a solution to address the identified challenges and meet the needs of the cross-disciplinary teams. Moreover, an improved version of the proposed framework can potentially lead to a form of documentation that can be applied in AUCD practices.<br>Ett mer integrerat samarbete mellan olika discipliner och intressenter i programvaruutvecklingen påverkar slutproduktens kvalitet och användarupplevelse. Mångfalden av metoder inom disciplinerna skapar ett behov av en anpassad uppsättning metoder, såsom Agile User-Centered Design (AUCD), vilket är en tvärvetenskaplig integration av Agile och User-Centered Design (UCD) -metoderna. Den inledande forskningsdelen av detta arbete fokuserar på att identifiera de största utmaningarna och behoven hos tvärvetenskapliga team, särskilt i AUCD. Forskningsmetoden bygger på en systematisk genomgång av de senaste akademiska publikationerna inom området, kompletterat med kartläggning av utövare inom den digitala industrin från flera discipliner. De identifierade utmaningarna och behoven hanteras sedan genom att föreslå en lösning: Digital Product Mapping Framework för dokumentation av en holistisk digital produktspecifikation på ett visuellt sätt. Ramresultatet är en designartefakt som kan användas som ett kommunikationsmedium för både designers, utvecklare och andra intressenter. Valideringen av designartefakter visade sin höga läsbarhetsgrad bland förstagångsanvändare. Dessutom bevisade empiriska användartester att sådan dokumentation av den digitala produktspecifikationen kan underlätta samarbete mellan tvärvetenskapliga team och stödja sådana programvaruutvecklingsaktiviteter som att upprätthålla en delad vision och uppskatta projektets kostnad och omfattning. Detta forskningsarbete presenterar följande metoder som kan vara värdefulla för både vidare akademisk forskning och för branschutövare: syntes och validering av tvärvetenskapliga teams utmaningar och behov; en uppsättning rekommendationer för specifikationsdokumentationspraxis för AUCD; utforma principer för en lösning för att hantera de identifierade utmaningarna och tillgodose behoven hos de tvärvetenskapliga teamen. Dessutom kan en förbättrad version av det föreslagna ramverket potentiellt leda till en form av dokumentation som kan användas i AUCD-praxis.
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Odén, Niklas. "Mechanisms within cross media stories : An analytical framework combining cross media phenomena with storytelling elements." Thesis, Umeå universitet, Institutionen för informatik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-73254.
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Cross media is a still emerging research field and as we learn and adapt to using more devices it gets harder to define what cross media is. This paper studied two fields, cross media and storytelling in order to answer the question; which mechanisms are the bases of a cross media story? This was done by highlighting vital mechanisms within each field and used such mechanisms to construct a framework. The framework was then applied in a case study where productions with cross medial and interactive elements occur. The results of the case study show that the framework can be applied on productions to define its mechanisms and as such identify if the production is cross medial. Further the results show that the framework can give researchers and producers a quick overview of a cross media production and its mechanisms in order to identify needs in iteration.
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Koliousis, Ioannis G. "Analysis of sourcing & procurement practices : a cross industry framework." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36143.
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Thesis (M. Eng. in Logistics)--Massachusetts Institute of Technology, Engineering Systems Division, 2006.<br>Includes bibliographical references (leaves 159-161).<br>This thesis presents and analyzes the various practices in the functional area of Sourcing and Procurement. The 21 firms that are studied operate in one of the following industries: Aerospace, Apparel/ Footwear, Automotive, Computers, Communications Equipment, Consumer Packaged Goods, Pharmaceuticals, Petroleum and Retail. Those firms have been chosen for their overall supply chain excellence and the research builds on empirical data from case studies, literature survey and interviews with industry experts. By assessing the empirical data and the various practices, a framework is proposed to address the different options that the firms can use relative to the organizational structure of the Procurement Department. These options are based on a combination of the importance of the inputs and the supplier/buyer power differential. Lastly, this thesis identifies the factors that affect these options. Key Words: Procurement, Sourcing, Organizational Architecture, Corporate Strategy.<br>by Ioannis G. Koliousis.<br>M.Eng.in Logistics
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Saeed, Rizwan. "Knowledge Management and Clinical Framework for Cross Country Healthcare Organizations." Thesis, Blekinge Tekniska Högskola, Avdelningen för programvarusystem, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-3236.
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Healthcare organizations are big source of knowledge creation. Acquiring knowledge, storing and transferring it to others in affective way has its own importance for healthcare organizations. In such organizations, clinical staff is one of the key sources of knowledge creation. This knowledge is important for healthcare organizations to diagnose the diseases and their changing conditions in better way. An intelligent knowledge management system with large amount of such information can fulfill the updated knowledge requirement for healthcare organizations. Our thesis is also consists of such techniques of gathering clinical knowledge. We have proposed a clinical knowledge management system for cross country healthcare organizations. In this study we have discussed about some current issues in clinical knowledge management and proposed our idea as a solution of clinical knowledge management. This study highlights the knowledge management process and their impact on clinical knowledge acquisition.
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Azak, Mustafa. "Crossing: A Framework To Develop Knowledge-based Recommenders In Cross Domains." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12611614/index.pdf.
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Over the last decade, excess amount of information is being provided on the web and information filtering systems such as recommender systems have become one of the most important technologies to overcome the &bdquo<br>Information Overload&<br>#8223<br>problem by providing personalized services to users. Several researches have been made to improve quality of recommendations and provide maximum user satisfaction within a single domain based on the domain specific knowledge. However, the current infrastructures of the recommender systems cannot provide the complete mechanisms to meet user needs in several domains and recommender systems show poor performance in cross-domain item recommendations. Within this thesis work, a dynamic framework is proposed which differs from the previous works as it focuses on the easy development of knowledge-based recommenders and it proposes an intensive cross domain capability with the help of domain knowledge. The framework has a generic and flexible structure that data models and user interfaces are generated based on ontologies. New recommendation domains can be integrated to the framework easily in order to improve recommendation diversity. The cross-domain recommendation is accomplished via an abstraction in domain features if the direct matching of the domain features is not possible when the domains are not very close to each other.
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Elizondo, Gloria M. "Designing for sustainable behaviour in cross-cultural contexts : a design framework." Thesis, Loughborough University, 2011. https://dspace.lboro.ac.uk/2134/9229.
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This thesis investigates the influence that cultural differences have in the designing of products and services that encourage sustainable lifestyles. This was researched through a case study of dishwashing practices in Mexico and the UK, and the development of a methodological framework for supporting designers working in cross-cultural contexts. Designers can shift user behaviour to be more responsible, and by doing this, reduce a product s impact on the use phase of its lifecycle. Nevertheless, designing products that successfully drive behaviour towards a more sustainable path can only be accomplished if they are conceived to fit the user and the specific context of interaction. In order to do so, designers must truly understand the users, and take into account the complex web of factors that lay behind individual behaviour. A comprehensive review of the literature established an understanding of human behaviour and the emergence and evolution of practices and routines. This brought to light the diverse behavioural patterns in different contexts; and was further investigated with a scoping study in two different locations (Mexico and the UK), exploring general water consuming practices in the home, specifically manual dishwashing practices. The preliminary findings shaped a study that aimed to deepen the understanding of these practices in the selected sites, involving the use of Cultural Probes and videoing people in their common kitchen environment. A robust and clear image of washing-up practices emerged with rich and detailed data presented in different media, ideal to be implemented in a design process. To this end, a series of multicultural Personas were created as the direct outcome of the Cultural Probes and the scoping study, giving way to the design studies phase of the project, carried out with industrial design students in Mexico and the UK. A design brief for sustainable washing up practices was delivered. Design experiments were used to provide interesting evidence of the influence in the design process of the designers understanding of the target user. The findings indicate that designers benefit from exploration and creativity tools tailored directly from the user-research findings in the early design process. This increases the level of empathy towards the user, particularly making it easier to design for users with different needs and contexts than the designers themselves. It also helps designers to better apply design for sustainable behaviour framework to their concept designs.
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Öberg, Linus. "Evaluation of Cross-Platform Mobile Development ToolsDevelopment of an Evaluation Framework." Thesis, Umeå universitet, Institutionen för datavetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-114729.
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The aim of this thesis is to determine what cross-platform mobile development tool that is best suited for Vitec and their mobile application ”Teknisk Förvaltning”. But more importantly we will in this thesis develop a generic evaluation framework for assessing cross-platform mobile development tools. With the purpose of making it easy to select the most appropriate tool for a specific mobile application. This was achieved by first, in consideration with Vitec, selecting Cordova + Ionic and Xamarin. Forms as the cross-platform tools to be evaluated. Then secondly by proposing an evaluation framework containing criteria evolved from discussions with mobile application developers, experience gained by developing prototype applications using the tools to be evaluated and through literature studies. The initial framework was also refined by investigating what other research exists in the area and by learning from their methods and conclusions we refined our initial evaluation framework. The result of performing the evaluation using the suggested evaluation framework is visualized in a result table, where the fulfilment of each criteria is graded from one to five. By allowing Vitec to rank how important these criteria are for their application, we were able to determine which of the tools that was the best fit for their application. We have thereby succeed in developing a generic evaluation framework which can be used to asses any cross-platform mobile development tool.
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Englezos, Petros. "A cross-industry analysis and framework of aftermarket products and services." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/35539.
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Thesis (M. Eng. in Logistics)--Massachusetts Institute of Technology, Engineering Systems Division, 2006.<br>Includes bibliographical references (leaves 93-97).<br>This thesis looks at how supply chains of Aftermarket Products and Services are structured. The study includes an overall examination of the Aftermarket Function, as well as an overview and examination of Aftermarket Supply Chains in four different industries. The study includes general data about the four industries (Computers, Telecommunications Equipment, Automotive and Aerospace), along with examination of practices that are used in these industries. Finally, the thesis compares and contrasts the practices used in the industries and identifies underlying principles that unifies these otherwise diverse practices.<br>by Petros Englezos.<br>M.Eng.in Logistics
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D'Alessandro, Christian-emanuele. "Sviluppo di applicazioni mobili attraverso framework cross-platform: una valutazione sperimentale." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/10568/.
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Sviluppare e manutenere applicativi destinati a differenti piattaforme è un’opzione esclusiva di quelle entità capaci di sostenere costi molto alti per la realizzazione di queste applicazioni. Questo esclude gli sviluppatori indipendenti, che spesso realizzano prodotti in totale autonomia; le start-up, che hanno l’esigenza di sviluppare un’idea di business avendo a disposizione budget estremamente ridotti; le piccole aziende, alle quali viene così preclusa la possibilità di competere con player più importanti.
Questo tipo di emergenze rende lo sviluppo cross-platform una soluzione interessante per la realizzazione delle applicazioni mobili, abbattendo i costi di sviluppo e permettendo di raggiungere più velocemente un pubblico più ampio.
C'è quindi sempre maggiore interesse, da parte degli sviluppatori, per gli strumenti di sviluppo cross-platform. Per catturare l’attenzione degli sviluppatori è necessario che lo strumento sia dotato di buona stabilità, che offra un ambiente di sviluppo confortevole, una buona user experience, facilità di aggiornamento, tempi di sviluppo contenuti e possibilità di immissione delle applicazioni su diversi ecosistemi software.
L’idea alla base di questa Tesi di laurea è valutare i pro e i contro di uno di questi framework cross-platform e compararlo con le tecnologie native.
Il framework scelto è Ionic per via della sua popolarità tra gli sviluppatori e della ridotta bibliografia scientifica a riguardo. Molte ricerche scientifiche valutano le prestazioni di uno o più framework cross-platform rispetto ad una soluzione nativa, tuttavia è raro un confronto tra un framework e più soluzioni native.
Per questo, oltre a valutare i pro e i contro del framework, verrà anche effettuata una comparazione tra gli applicativi nativi per Android e iOS e le controparti sviluppate attraverso Ionic, permettendo di identificare eventuali differenze di performance e aiutare gli sviluppatori nelle scelte tecnologiche.
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Abdelatif, Mohamed Abdalla. "A cross-layer mobility management framework for next-generation wireless roaming." Master's thesis, University of Cape Town, 2007. http://hdl.handle.net/11427/5227.
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Word processed copy.<br>Includes bibliographical references (leaves 62-64).<br>This thesis proposes a mobility management framework that aims to provide a framework for advanced mobility algorithms that allows the challenges of next-generation roaming to be met. The framework features tools that gather context and content information, guarantee low-level QoS, provide security, and offer link and handoff management. The framework aims to be scalable and reliable for all-IP heterogeneous wireless networks whilst conforming to 4G service requirements.
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Eilert, Rickard. "Development of a framework for creating cross-platform TV HTML5 applications." Thesis, Linköpings universitet, Programvara och system, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-121225.
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When developing HTML5 applications for TV platforms, the TV platforms provide, in addition to standardHTML5 functionality, also extra APIs for TV-specific features. These extra APIs differ between TVplatforms, and that is a problem when developing an application targeting several platforms. This thesis hasexamined if it is possible to design a framework which provides the developer with one API that works formany platforms by wrapping their platform-specific code. The answer is yes. With success, platform-specificfeatures including: TV remote control input, video, volume, Internet connection status, TV channel streamsand EPG data have been harmonised under an API in a JavaScript library. Furthermore, a build systempackages the code in the way the platforms expect. The framework eases the development of TV platformHTML5 applications. At the moment, the framework supports the Pace, PC and Samsung Smart TVplatforms, but it can be extended with more TV platform back-ends.<br>Lorsque l’on développe des applications HTML5 pour des plateformes TV, les plateformes TV fournissent,en plus de la fonctionnalité standard d'HTML5, des APIs supplémentaires pour les particularités d'une TV.Ces APIs supplémentaires diffèrent entre les plateformes TV, et ceci cause un problème lors dudéveloppement d’une application pour plusieurs plateformes. Cette thèse a fait l’examen de la possibilité deconcevoir un cadre d'applications qui fournit au concepteur une API qui peut servir à plusieurs plateformes,cachant le code spécifique de celles-ci. La réponse est oui. On a réussi à harmoniser : l’entrée de latélécommande, le lecteur vidéos, le volume, la connexion Internet, le flux TV et leurs données GPE, dans uneAPI qui réside dans une bibliothèque JavaScript. En outre, un système de compilation met le code d’unemanière dont la plateforme peut comprendre. Le cadre d'applications facilite le développement d'applicationsHTML5 des plateformes TV. Pour le moment, le cadre d'applications peut supporter la Pace, le PC et laplateforme de Samsung Smart TV, mais il peut également fonctionner avec d'autres plateformes TV.<br>Wenn man HTML5-Anwendungen für TV-Plattformen entwickelt, stellen die Plattformen neben denStandardfunktionalitäten von HTML5 auch extra APIs für TV spezifische Features zur verfügung. Diesezuzätzlichen APIs unterscheiden zwischen TV-Plattformen und das ist ein Problem bei der Entwicklung vonAnwendungen, die auf mehreren Plattformen laufen sollen. Diese These untersucht, ob es möglich ist, einFramework zu entwerfen, dass dem Entwickler eine API bereitstellt, welche für mehrere Plattformenfunktioniert, indem deren Plattform spezifischer Code verpackt wird. Die Antwort ist ja. Das Frameworkharmonisiert: Fernbedienungeingabe, Video, Volumen, Internet-Anschlussstatus, Fensehkanalstreams undelektronische Programmführer, zu einer gemeinsamen JavaScript-Bibliothek-API. Weiterhin verpackt einbuild system den Code so, wie es die Plattform erwartet. Das Framework erleichtert die Entwicklung vonHTML5-Applikationen für TV-Plattformen. Im Moment deckt das Framework: Pace-, PC- und SamsungSmart TV-Plattformen, aber es kann mit weiteren TV-Plattformen erweitert werden.<br>Quando si sviluppano delle applicazioni HTML5 per le piattaforme TV, quest'ustime offrono, oltre allafunzionalità comune di HTML5, anche APIs addizionali per funzionalità specifiche della TV. Queste APIsaddizionali differiscono tra le varie piattaforme TV e questo è un problema quando si sviluppaun'applicazione che funzioni per ciascuna piattaforma. Il presente lavoro esamina la possibilità di progettareun framework che fornisca allo sviluppatore una sola API, la quale sia funzionante per molte piattaforme esia idonea a nascondere il codice specifico di ciascuna di esse. La risposta è sì. Il framework fonde:l'immissione del telecomando, il video, il volume, lo stato della connessione Internet, i flussi dei canali TV edei dati della guida elettronica dei programmi, all'interno di una API secondo il modello di una libreriaJavaScript. Inoltre, il sistema di compilazione crea un pacchetto del codice nel modo in cui le piattaforme siaspettano. Il framework facilita lo sviluppo di applicazioni HTML5 per le piattaforme TV. Al momento, ilframework sostiene le seguenti piatteforme: Pace, PC e Samsung Smart TV, ma può essere esteso anche adaltre.<br>När man utvecklar HTML5-applikationer för TV-plattformar, finns utöver HTML5s standardfunktionalitet,även extra APIer för att komma åt TV-specifika funktioner. Dessa extra APIer skiljer sig åt mellan TV-plattformar, och det är ett problem när man utvecklar en applikation för många plattformar. Dettaexamensarbete har undersökt om det är möjligt att designa ett ramverk som förser utvecklaren med ett APIsom fungerar för många plattformar genom att wrappa deras plattformsspecifika kod. Svaret är ja. Ramverketharmoniserar: fjärrkontrollsindata, video, volym, internetförbindelse, TV-kanalströmmar och deras TV-tablåer, till ett gemensamt JavaScript-bibliotek-API. Vidare paketerar ett byggsystem koden på de sätt somplattformarna förväntar sig. Ramverket underlättar utveckling av HTML5-applikationer för TV-plattformar.För tillfället stöder ramverket plattformarna: Pace, PC och Samsung Smart TV, men det kan breddas med flerTV-plattformar.
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Thomas, Martin. "Localizing pack messages : A framework for corpus-based cross-cultural multimodal analysis." Thesis, University of Leeds, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.507881.
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Quach, Minh thao. "Cross-layer framework for interference avoidance in cognitive radio ad-hoc networks." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0489/document.
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Le plan d’attribution du spectre présente un problème de déficit de ressources dans les réseaux sans fil. En 2002, la FCC (Federal Communication Commission) a rapporté que le spectre radioélectrique était de 20% à 85% sous-utilisé. L’utilisation inefficace du spectre est un problème majeur qui doit être résolu si l’on veut que les communications radio se développent. La FCC a ensuite changé la politique de gestion du spectre pour la rendre plus souple en s’interessant à l’approche radio cognitive (CR). La radio cognitive est un type de radio intelligente qui explore l’environnement de fréquences radio, apprend et décide d’utiliser la partie inutilisée du spectre. Les principales fonctions de la CR sont la détection, la prise de décision, et le partage. Cependant, ces radios doivent respecter les infrastructures sans fil standards en minimisant leur impact sur les appareils prioritaires, également appelés systèmes primaires. La coexistence entre les systèmes CR et les systèmes primaires nécessite des processus d’observation et de gestion des interférences dédiés. Dans cette thèse, nous nous sommes intéressés à la phase d’observation du point de vue CR. La zone de chevauchement entre un émetteur CR et l’émetteur primaire (PR) est analysée et prise en compte. L’impact de cette zone est appris par simulation et présenté dans le chapitre 4. En conséquence, des interférences potentielles sont envisagées. Durant la phase d’observation, nous étudions un mécanisme permettant de mieux prévenir la perturbation sur les dispositifs PR en utilisant le Grey Model et le filtre de Kalman comme modèle de prédiction de la densité des récepteurs primaires. En complément à cette observation, nous fournissons une stratégie visant à combiner les observations obtenues en une mesure qui pourra être utilisée par le routage dans le cadre de la coexistence entre réseaux radio cognitive (CRN) et réseaux primaires. La stratégie proposée utilise la logique floue et est présentée dans le chapitre 5. Dans ce chapitre, nous étudions comment la couche réseau réagit et prend les bonnes décisions pour maximiser l’utilisation des ressources du spectre, tout en évitant les interférences avec les récepteurs primaires. Par exemple, un noeud CR peut fonctionner dans une zone de recouvrement, si les récepteurs primaires sont inactifs dans cette zone. Ainsi, nous avons proposé un mécanisme de routage basé sur le protocole de routage DYMO qui prend en compte l’impact relatif observé. Dans ce même chapitre, nous avons également présenté des scénarios pratiques illustrant l’utilité de notre proposition. L’interconnexion des noeuds CR dans le CRN est aussi un problème crucial pour la mise en place du réseau. C’est pourquoi nous présentons un processus de diffusion par balises au chapitre 6. Dans ce chapitre, nous décrivons également un dispositif pratique conçu pour des expériences en radio cognitive. Même si notre travail se rapporte à différentes couches de la pile protocolaire, le cadre général que nous avons conçu est multicouches. En effet, les composants accèdent aux différentes couches pour récupérer l’information, la traiter et réagir en conséquence. Ainsi, notre travail constitue un environnement inter-couches pour un dispositif radio cognitive local visant à minimiser les interférences et à maximiser les ressources réseau dans les réseaux radio cognitive<br>A fixed spectrum assignment scheme has a problem with resource deficiency in a wireless network. In 2002, the US Federal Communication Commission (FCC) reported that the radio spectrum was 20% to 85% under-utilized. The insufficient use of the spectrum is a critical issue for radio communication; as communication grows, a fixed spectrum becomes more limiting. The FCC then changed its spectrum management policy to make it more flexible by investigating the cognitive radio (CR) approach. Cognitive radio is a type of intelligent radio that explores the radio frequency environment, learns, and decides to use the unused portion of the frequency. The main functions of a CR are sensing, decision making, and sharing. However, these radios have to respect the standard wireless infrastructures by ensuring the least impact with their devices, also known as primary radios. Coexistence between CR systems and primary systems requires dedicated observation processes and interference management. In this thesis, observation from a CR point of view is presented. The overlapping area between a CR transmitter and primary radio (PR) transmitter is analysed so that it can be taken into account. The impact of this area is learnt by simulation and presented in Chapter 4. As a consequence, potential interference is envisaged. Along with observation, we investigate a proper mechanism to better prevent perturbation on PR devices using the Grey model and Kalman filter as a prediction model for predicting the density of primary receivers. In addition, we provide a strategy to combine the obtained observations into a metric that can be used in routing design in the context of coexistence between Cognitive Radio Networks (CRNs) and primary networks. The proposed strategy, using fuzzy logic, is presented in Chapter 5. In this chapter, we investigate how the routing layer reacts and makes the right decisions to maximise the spectrum resources, while avoiding interference with the primary receivers. For instance, a CR node can operate in an overlap region if primary receivers are inactive within this area. Also, we propose a routing mechanism based on the DYMO routing protocol that takes into account the observed relative impact. In the same chapter, we provide some practical scenarios illustrating the usefulness of our proposal. Interconnecting the CR nodes in CRNs is also a critical problem for the establishment of the network. We therefore present a beacon-based dissemination process in Chapter 6. In this chapter, we also describe a practical device designed for cognitive radio experiments. Even though our work affects different protocol layers, the designed framework is cross-layered. Indeed, the different components of the proposed framework access the various layers to retrieve information, process it, and react accordingly. Thus, our work constitutes a cross-layer framework for a local cognitive radio that aims to minimise the interference and maximise the network resources in cognitive radio networks
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Osathanunkul, Kitisak. "A cross-layer and multi-metric routing decision making framework for MANETs." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/a-crosslayer-and-multimetric-routing-decision-making-framework-for-manets(747a6389-d354-4afc-8810-c4e781662107).html.
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Mobile Ad hoc Networks (MANETs) are re-emerging as a popular networking facility for wireless device users. A growing number of diversified applications are now accessible via wireless devices. The different applications may have different Quality of Service (QoS) requirements, which may better be satisfied by using different routing methods or metric types. Existing ad hoc network routing solutions do not consider various application-level requirements when making a routing decision. They typically make routing decisions based upon limited information acquired at the network layer. Most of the existing routing protocols make use of a single routing metric. Using a single metric type and/or information, only acquired at the network layer may not be able to accommodate different QoS requirements, imposed by diversified user-level applications or application-level data types.The aim of this thesis is to design an efficient routing function for ad hoc networks while at the same time satisfying users‟ and/or applications‟ QoS and security requirements. To achieve this, the thesis investigates and specifies routing requirements that could best support application-level QoS and security requirements in MANETs. It also investigates and critically analyses the state of the art in MANET routing, and the mechanisms used for protecting the routing functions. To overcome the weaknesses and advance the state of the art in MANET routing, this thesis proposes two major solutions. The first solution is the Secure ETX (SETX) routing protocol. It is a secure routing solution that can provide routing functions efficiently in malicious MANET environment. The SETX protocol provides a security mechanism to counter black hole attacks in MANETs on the ETX metric acquisition process. Simulation studies have been carried out and discussed in the thesis. Simulation results show that the SETX protocol can provide a marked improvement in network performances in the presence of black hole attacks, and it can do so with a negligible level of additional overhead.The second solution is a novel routing decision making called the Flexible Routing Decision (FRD) framework. The FRD framework supports routing decision making by using multiple metric types (i.e. multi-criteria routing decision making) and uses a cross-layer approach to support application-level QoS requirements. This allows users to use different routing metrics types, making the most appropriate routing decision for a given application. To accommodate the diversified application-level QoS requirements, multiple routing metric types have been identified and interpreted in the FRD framework design. The FRD framework has overcome some weaknesses exhibited by existing single metric routing decision making, used in MANETs. The performance of a routing decision making of FRD is also evaluated using NS2 simulation package. Simulation results demonstrate that the FRD framework outperforms the existing routing decision making methods.
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Gonidis, Fotios. "A framework enabling the cross-platform development of service-based cloud applications." Thesis, University of Sheffield, 2015. http://etheses.whiterose.ac.uk/13333/.
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Among all the different kinds of service offering available in the cloud, ranging from compute, storage and networking infrastructure to integrated platforms and software services, one of the more interesting is the cloud application platform, a kind of platform as a service (PaaS) which integrates cloud applications with a collection of platform basic services. This kind of platform is neither so open that it requires every application to be developed from scratch, nor so closed that it only offers services from a pre-designed toolbox. Instead, it supports the creation of novel service-based applications, consisting of micro-services supplied by multiple third-party providers. Software service development at this granularity has the greatest prospect for bringing about the future software service ecosystem envisaged for the cloud. Cloud application developers face several challenges when seeking to integrate the different micro-service offerings from third-party providers. There are many alternative offerings for each kind of service, such as mail, payment or image processing services, and each assumes a slightly different business model. We characterise these differences in terms of (i) workflow, (ii) exposed APIs and (iii) configuration settings. Furthermore, developers need to access the platform basic services in a consistent way. To address this, we present a novel design methodology for creating service-based applications. The methodology is exemplified in a Java framework, which (i) integrates platform basic services in a seamless way and (ii) alleviates the heterogeneity of third-party services. The benefit is that designers of complete service-based applications are no longer locked into the vendor-specific vagaries of third-party micro-services and may design applications in a vendor-agnostic way, leaving open the possibility of future micro-service substitution. The framework architecture is presented in three phases. The first describes the abstraction of platform basic services and third-party micro-service workflows,. The second describes the method for extending the framework for each alternative micro-service implementation, with examples. The third describes how the framework executes each workflow and generates suitable client adaptors for the web APIs of each micro-service.
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Kalogeropoulou, Konstantina. "The legal framework on cross-border portability of supplementary occupational pension rights." Thesis, University of Nottingham, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.485469.
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The issue of cross-border portability of supplementary (occupational) pension rights for ED workers and self-employed has been discussed for more than fifteen years. The free movement of persons is one of the fundamental goals of the ED. Currently labour mobility is impeded by the lack of a clear framework protecting supplementary pension entitlements for workers and self-employed persons who move across different Member States for employment purposes. The challenge of providing enhanced social security and adequate pensions, in the light of demographic changes, further puts emphasis on the need for the ED working population to be able to move to different Member States for employment without being penalised, through reduced pension entitlements. The aim of this study is to identify the legal framework on portability of supplementary occupational pension rights for ED workers and self-employed persons who move or seek to move between the Member States for employment purposes. The examination of this framework is not limited to the analysis of actual legislative measures adopted at ED level, on safeguarding supplementary occupational pension rights for migrant workers and self-employed persons, but further tries to assess how this framework, and consequently cross-border portability of supplementary occupational pension rights, is being formed and could be further developed, and how, consequently, cross-border portability of relevant rights could be enhanced.
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Montanari, Fabio. "Il framework phonegap: sviluppo app multi-piattaforma." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/5924/.
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Questo elaborato descrive in modo approfondito la natura e lo sviluppo di applicazioni mediante PhoneGap.
Lo sviluppo web e lo sviluppo nativo oltre a una breve introduzione ad altri interessanti tools di sviluppo cross-platform
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Yoon, Seungil. "Cross-layer dynamic spectrum management framework for the coexistence of white space applications." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/44787.
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The objective of this dissertation is to propose the cross-layer spectrum management architecture for white space applications that improves the performance the main functions of the spectrum management. In the proposed cross-layer architecture, white space network devices such as white space devices and the spectrum map server cooperate to support the extended spectrum map, the inter-cell transmit power adaptation (ITPA), and the frequency-domain coexistence beacon (FCB). Upon the cross-layer architecture, firstly, white space devices (WSDs) achieve a faster search and higher accuracy in spectrum sensing with the extended spectrum map, the extended DHCP (Dynamic Host Configuration Protocol), and the FCB. Secondly, WSDs achieve the precise selection of their operating channel in spectrum decision with the extended spectrum map and the ITPA. In spectrum sharing, thirdly, the collaboration- based spectrum sharing with the ITPA achieve more accommodation of WSDs by increasing the number of channels shared between WSDs. Finally, WSDs with the FCB and the extended spectrum achieve effective spectrum mobility by obtaining the occupancy-status of channels precisely.
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Fung, Tsan Sing Libon. "Rational speculative bubbles in a cross-sectional framework : a theory and simulation experiments." Thesis, Birkbeck (University of London), 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369261.
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Gray, Megan. "Teaching music entrepreneurship in the chamber music classroom: a cross-disciplinary curricular framework." Diss., University of Iowa, 2017. https://ir.uiowa.edu/etd/5763.
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Boman, Erik. "Converting an existing .NET Framework ground control software into a cross-platform application." Thesis, Linköpings universitet, Programvara och system, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-145868.
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Unmanned aerial vehicles can be used in many different situations such as, for example, monitoring the growth of crops or for surveillance of a private property. Operating the unmanned aerial vehicle is usually done using some kind of ground control station. This thesis examines the possibilities of creating ground control stations working on several different platforms using the cross platform development frameworks Xamarin, Universal Windows Platform and Mono. This is done by creating and comparing three prototype applications regarding functional requirements, code reuse and resource usage. It is shown that none of the cross platform frameworks can fulfill all of the initial requirements on a ground control station. However, for the case studied in this thesis, Xamarin is demonstrated to be the most suitable cross platform framework of the three since it provides the same functionality as UWP for Windows devices while also enabling development for both Android and iOS devices.
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Waclawek, Mariusz. "Cross-Platform, Parallel Development in Xamarin : Design and Implementation of the Platform for Building Extensible, Cross-platform GUI Applications Based on Plug-in Framework in Xamarin." Thesis, Luleå tekniska universitet, Institutionen för system- och rymdteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-365.
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This thesis describes research of plug-in frameworks, their application and benefits and also a way to develop cross-platform GUI applications in Xamarin with Xamarin.Forms. It describes also the limitations that mobile systems set on plug-in frameworks. The result of the thesis is a basic and extensible platform for building GUI applications based on the MVVM design pattern with modularity and extensibility of MEF 2.0.
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Christodoulopoulos, Christos. "Iterated learning framework for unsupervised part-of-speech induction." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/8880.
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Computational approaches to linguistic analysis have been used for more than half a century. The main tools come from the field of Natural Language Processing (NLP) and are based on rule-based or corpora-based (supervised) methods. Despite the undeniable success of supervised learning methods in NLP, they have two main drawbacks: on the practical side, it is expensive to produce the manual annotation (or the rules) required and it is not easy to find annotators for less common languages. A theoretical disadvantage is that the computational analysis produced is tied to a specific theory or annotation scheme. Unsupervised methods offer the possibility to expand our analyses into more resourcepoor languages, and to move beyond the conventional linguistic theories. They are a way of observing patterns and regularities emerging directly from the data and can provide new linguistic insights. In this thesis I explore unsupervised methods for inducing parts of speech across languages. I discuss the challenges in evaluation of unsupervised learning and at the same time, by looking at the historical evolution of part-of-speech systems, I make the case that the compartmentalised, traditional pipeline approach of NLP is not ideal for the task. I present a generative Bayesian system that makes it easy to incorporate multiple diverse features, spanning different levels of linguistic structure, like morphology, lexical distribution, syntactic dependencies and word alignment information that allow for the examination of cross-linguistic patterns. I test the system using features provided by unsupervised systems in a pipeline mode (where the output of one system is the input to another) and show that the performance of the baseline (distributional) model increases significantly, reaching and in some cases surpassing the performance of state-of-the-art part-of-speech induction systems. I then turn to the unsupervised systems that provided these sources of information (morphology, dependencies, word alignment) and examine the way that part-of-speech information influences their inference. Having established a bi-directional relationship between each system and my part-of-speech inducer, I describe an iterated learning method, where each component system is trained using the output of the other system in each iteration. The iterated learning method improves the performance of both component systems in each task. Finally, using this iterated learning framework, and by using parts of speech as the central component, I produce chains of linguistic structure induction that combine all the component systems to offer a more holistic view of NLP. To show the potential of this multi-level system, I demonstrate its use ‘in the wild’. I describe the creation of a vastly multilingual parallel corpus based on 100 translations of the Bible in a diverse set of languages. Using the multi-level induction system, I induce cross-lingual clusters, and provide some qualitative results of my approach. I show that it is possible to discover similarities between languages that correspond to ‘hidden’ morphological, syntactic or semantic elements.
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Sabir, Essaïd. "MAC protocols design and a cross-layered QoS framework for next generation wireless networks." Phd thesis, Université d'Avignon, 2010. http://tel.archives-ouvertes.fr/tel-00544071.
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Ce manuscrit est centré sur la conception, l'amélioration et l'évaluation des protocoles des couches RESEAU, MAC et PHY. En particulier, nous nous focalisons sur la conception de nouveaux protocoles distribués pour une utilisation optimale/améliorée des ressources radio disponibles. Par ailleurs, nous caractérisons les performances des réseaux ad hoc à accès aléatoire au canal en utilisant des paramètres de plusieurs couches avec aptitude de transfert d'information (data forwarding). La majeure partie de nos analyses se base sur le concept d'interaction entre les couches OSI (cross-layer). En effet, cette nouvelle et attractive approche est devenue en peu de temps omniprésente dans le domaine de recherche et développement et dans le domaine industriel. Les métriques de performances qui nous intéressent sont la stabilité des files d'attentes de transfert, le débit, le délai et la consommation d'énergie. Principalement, la compréhension de l'interaction entre les couches MAC/PHY et routage du standard IEEE 802.11e DCF/EDCF, d'une part, et l'interaction entre noeuds en terme d'interférences, d'autre part, constituent le coeur central de notre travail
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Barak, Ilana. "Applying the need for closure framework to information processing in cross-cultural business situations." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ28475.pdf.
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Rabade, Arturo. "Cross-sector segmentation: A framework for collaborative alliances between nonprofit and for-profit organizations." NSUWorks, 2012. http://nsuworks.nova.edu/hsbe_etd/95.
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This study examined how market segmentation strategy can assist nonprofit organizations to identify potential corporate partners, establish collaborative alliances, and secure new sources of capital. Recent economic concerns and increases in competition have seriously affected the nonprofit's business environment. Therefore, a proactive approach is essential, so nonprofits can successfully secure desperately needed capital and continue to provide for those less fortunate. The study seeks a better understanding of the construct of alliance formation. Existing literature on alliances mostly focused on the nature of alliances; much less has been written about characteristics of alliance partners. Based on limited empirical evidence, this study integrated partner and partnership characteristics to develop a comprehensive theory of alliances. The research was conducted with the assistance and cooperation of several nonprofit organizations located in the tri-county area of South Florida. Participating nonprofit organizations were surveyed using several scales adapted from extant literature. Multiple regression technique, specifically stepwise regression was utilized to examine the hypothesized relationships between the dependent and independent (4) variables. Results indicated that organizational memory, governance, and firmographics were correlated to alliance formation and significant. However, the correlation between organizational culture and alliance formation was weak and not significant, despite extant literature review to the contrary. Further research is recommended to explicate causes for this lack of strength between organizational culture and alliance formation.
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Wanick, Vieira Vanissa. "A framework for cross-cultural advergame design : a comparison between Brazil and the UK." Thesis, University of Southampton, 2017. https://eprints.soton.ac.uk/413211/.
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Digital innovation is moving the marketing industry forward. With new technologies, there is a shift from consumer attention to consumer engagement, in which advergames play a huge part. Advergames are games built around a persuasive message, often related to a brand. However, there is a lack of research about the influence of advergame design across cultures. Brazil and the UK are two cultures that have a large participation in the gaming market. Differences and similarities related to advertisement perception, attitudes and interface design could give insights about the influence of advergame design in consumer behaviour. This research proposes a framework, using concepts from theories about cross-cultural HCI, cross-cultural consumer behaviour and advergame effectiveness. The framework was evaluated and validated through a comparison between Brazil and the UK, considering advergame design elements and consumers’ perceptions. The results suggest that advergame design can influence and embed cross-cultural consumer behaviour. Finally, the current research could help to guide advertisers and game designers that expect to enter different cultural markets, and influence people’s perceptions towards a particular brand.
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Slominski, Tara Nicole. "Using a Cross-Cutting Theoretical Framework to Explore Difficulties Learning Human Anatomy and Physiology." Diss., North Dakota State University, 2020. https://hdl.handle.net/10365/32049.
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Across the United States, Human Anatomy and Physiology (HA&P) courses typically have some of the highest withdrawal and failure rates on college campuses. These high enrollment course typically serve as gate-keepers for those individuals with aspirations of entering the medical field. In light of the growing national shortage of healthcare professionals, there is a pressing need to improve the state of HA&P education at a national scale. The goal of this dissertation is to understand why undergraduate students struggle to succeed in HA&P courses. I leveraged multiple frameworks from biology education research, physics education research, and cognitive psychology to understand the source of student difficulty in HA&P. I used a mixed-methods approach to unpack how students reason about the complex phenomena covered in HA&P classes. The data presented here suggest student difficulties in HA&P are not the product of a culmination of individual conceptual difficulties. Rather, this work suggests students have difficulty reasoning with the many complex systems that are at the heart of HA&P curriculum. Students appear to frame these complex systems in a manner that activates reasoning strategies that are often in conflict with course goals. The findings from this work advocate for a dynamic view of student cognition that recognizes the implications of context features on student reasoning of complex systems.
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Reutterer, Thomas, Kurt Hornik, Nicolas March, and Kathrin Gruber. "A data mining framework for targeted category promotions." Springer, 2016. http://dx.doi.org/10.1007/s11573-016-0823-7.
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This research presents a new approach to derive recommendations for
segment-specific, targeted marketing campaigns on the product category level. The
proposed methodological framework serves as a decision support tool for customer
relationship managers or direct marketers to select attractive product categories for
their target marketing efforts, such as segment-specific rewards in loyalty programs,
cross-merchandising activities, targeted direct mailings, customized supplements in
catalogues, or customized promotions. The proposed methodology requires cus-
tomers' multi-category purchase histories as input data and proceeds in a stepwise
manner. It combines various data compression techniques and integrates an opti-
mization approach which suggests candidate product categories for segment-specific
targeted marketing such that cross-category spillover effects for non-promoted
categories are maximized. To demonstrate the empirical performance of our pro-
posed procedure, we examine the transactions from a real-world loyalty program of
a major grocery retailer. A simple scenario-based analysis using promotion
responsiveness reported in previous empirical studies and prior experience by
domain experts suggests that targeted promotions might boost profitability between
15 % and 128 % relative to an undifferentiated standard campaign.
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Nannini, Luca. "Ionic, framework per applicazioni mobile ibride." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/15874/.
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La tesi analizza Ionic, un framework open source volto allo sviluppo di applicazioni mobile ibride e cross-platform.
Per applicazione ibrida si intende un'applicazione mobile scritta con le tecnologie web incapsulate da codice nativo.
Ionic rende possibile sviluppare app con le tecnologie web in modo che il look and feel sia simile a quello di un'app nativa.
Ionic è posto insieme ad altri due framework: Angular e Cordova, dal primo prende la modularità e dal secondo la possibilità di creare app ibride.
Il codice di un'app Ionic è strutturato in pagine e provider (i provider sono servizi), in maniera simile ad Angular. Le pagine sono suddivise in tre file: HTML, SASS e TypeScript; i provider sono solo in un file TypeScript.
Ionic mette a disposizione molte API per componenti grafici o plug-in per l'accesso alle funzionalità del dispositivo.
È possibile, grazie all'uso di SASS, personalizzare facilmente la grafica della propria applicazione.
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Winter, Rolf. "A cross layer framework for network wide adaptations and optimizations in mobile ad hoc networks." [S.l.] : [s.n.], 2006. http://www.diss.fu-berlin.de/2006/397/index.html.
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Aurelius, Mårten. "Mobile Application Development : Framework with key criteria for choosing native or cross-platform application development." Thesis, Karlstads universitet, Handelshögskolan (from 2013), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-78471.
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To develop mobile applications, developing companies can use different platforms. One approach is to use a native development environment targeting a specific operating system that gives access to all device functionalities. Another approach is to use a cross-platform development tool that allows developers to use a single code base targeting several operating systems, but often comes with limited standard features for accessing device functionalities. Each approach has its benefits and shortcomings. Multiple factors contribute to the selection of the developing platform. Thus, it is of big importance to use clearly defined criteria to make the decision that fits best the need of the final customer, but also that fits with the business and technological preconditions that the developing company can fulfil. Based on existing literature, and consolidating our takeaway with quantifiable, as well as additional business related criteria, this thesis work presents a framework to help decision makers in developing companies decide whether they will develop applications using a native or a cross-platform approach. A number of experienced professionals assessed the compiled list of criteria and attributed respective weight of each criterion in the framework. The decision makers in companies will use this framework, applying a formula, and thereafter calculating a score for each approach. The score will load then to determine whether to choose native or cross-platform development approach. The results show how we assign the final weight and, in the conclusion, we discuss limitations and future research directions for research.<br>mobile application development, framework, native, iOS, Android, cross-platform
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Lång, Ida, and Anne Schlegel. "Applying cross-channel user experience design theory to practice : A case study of a public transportation company in Sweden." Thesis, Internationella Handelshögskolan, Högskolan i Jönköping, IHH, Informatik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-27052.
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The emergence of digital technology, social media and ubiquitous computing in the 21stcentury changed customer behavior and created new possibilities, but also challenges, forcompanies offering their services. The new customer generation is more tech-savvy thanever before, and therefore places higher demands on companies to have well-designed experienceswith services that can be consumed through various channels. This study investigatesthese service environments to see if they are actively shaped to cross-channel ecosystemsby the companies or if the companies react to the demands of their customers. Furthermore,the goal of this thesis is to find out how the current theory of cross-channel userexperience can assist in formulating design strategies for service ecosystems. To determinethis, the authors conducted a theoretical analysis of the current IS literature and created,based on that, a cross-channel user experience design framework. Within a case study of aSwedish transportation company, company and user interviews, direct observations of theavailable service artifacts, analysis of documentation, and the design of the user journeyswere executed to assess the as-is ecosystem. On the basis of these results, it was proventhat cross-channel ecosystems are shaped based on user demands. The created frameworkwas applied to formulate a language of critique of the cross-channel user experience designof the underlying case study, and the framework was proven to be applicative to practiceafter adjusting it to its final version.
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Le, Minh. "Universal Mobile Service Execution Framework for Device-To-Device Collaborations." DigitalCommons@USU, 2018. https://digitalcommons.usu.edu/etd/7032.
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There are high demands of effective and high-performance of collaborations between mobile devices in the places where traditional Internet connections are unavailable, unreliable, or significantly overburdened, such as on a battlefield, disaster zones, isolated rural areas, or crowded public venues. To enable collaboration among the devices in opportunistic networks, code offloading and Remote Method Invocation are the two major mechanisms to ensure code portions of applications are successfully transmitted to and executed on the remote platforms. Although these domains are highly enjoyed in research for a decade, the limitations of multi-device connectivity, system error handling or cross platform compatibility prohibit these technologies from being broadly applied in the mobile industry.
To address the above problems, we designed and developed UMSEF - an Universal Mobile Service Execution Framework, which is an innovative and radical approach for mobile computing in opportunistic networks. Our solution is built as a component-based mobile middleware architecture that is flexible and adaptive with multiple network topologies, tolerant for network errors and compatible for multiple platforms. We provided an effective algorithm to estimate the resource availability of a device for higher performance and energy consumption and a novel platform for mobile remote method invocation based on declarative annotations over multi-group device networks. The experiments in reality exposes our approach not only achieve the better performance and energy consumption, but can be extended to large-scaled ubiquitous or IoT systems.
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Salazar, María Teresa. "Modelling cross-sales to promote customer retention in the financial services industry : the 'who-what-when framework' : two case studies." Thesis, University of Edinburgh, 2010. http://hdl.handle.net/1842/4448.
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Customer retention has been shown by academic researchers to be more profitable than customer acquisition. However, its implementation in the business environment has not been so successful. One of the reasons for this is that customer retention can be achieved in several ways (i.e. loyalty programs, affinity cards and switching costs) and that the translation from the concept of “retaining customers” to the actions and strategies to retain them is not always easy. One of the most attractive strategies to ensure that customers remain within the organisation is through cross-selling and up-selling. In short, the objective is to increase the number (or the value) of the products that a customer buys from a company to make it more difficult for him/her to leave. Whilst academic research has deeply investigated the concepts of loyalty, retention programs and trust, amongst others, cross-selling has not received the same level of attention. Moreover, existing research on cross-selling has been focused on products rather than on services. Finally, this research has mostly been conceptual in nature, with limited attempts to model or design practical cross-selling and up-selling strategies. In order for crossselling and up-selling to be effective retention strategies, they need to be tailored to the needs of the customer. The offer must be adequate in terms of the target (who is going to buy the product), the content (what is going to be purchased) and a time (when is the right moment to offer the new product). This thesis investigates customer retention and cross-selling and up-selling from a practical point of view in the financial services industry. Firstly, it assesses the importance of the concepts of customer retention and cross-selling and up-selling through several interviews conducted with financial services providers (insurance companies, building societies and independent financial industry bodies). Having established the relevance of these concepts in the industry, the next step developed and applied a framework to design cross-selling and up-selling strategies. This framework, named the “Who-What-When” framework, was applied to the transactional and customer data bases of two financial services providers (a Spanish insurance company and a UK building society). The “Who-What-When” method ii begins by segmenting the customer base in order to understand the characteristics and potential of each customer. It then, moves to modelling purchase propensity models, understanding the relationships between products in order to determine what product should be offered to each segment, according to their characteristics and their consumption history. Finally, it analyses the time sequence of the purchases in order to determine the right time (when the purchase is more likely to occur) to approach each customer, bearing in mind how they behave and the maturity of the products already held. The contribution of this thesis is twofold. From an academic point of view, the research demonstrates the importance of customer retention and cross-selling in the financial services industry, being both recognised as key strategic and tactical approaches for the future of the industry. Secondly, from a practical point of view, it contributes by developing an analytical framework to discover and design crossselling and up-selling strategies, aimed at retaining customers. This is achieved through the ‘Who-What-When’ framework which takes into account customer characteristics, consumption patterns and acquisition sequence to model cross-selling activities. Therefore, it refutes the traditional approach that ‘one size fits all’, advocating tailored strategies. Finally, this research highlights, from the empirical analysis, how repurchase decision is highly influenced by the length of the relationship with the provider and the type of products already purchased. Understanding these factors is key to successfully retaining customers via crossselling.
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Roth, Michael [Verfasser], and Anette [Akademischer Betreuer] Frank. "Inducing Implicit Arguments via Cross-document Alignment: A Framework and its Applications / Michael Roth ; Betreuer: Anette Frank." Heidelberg : Universitätsbibliothek Heidelberg, 2014. http://d-nb.info/1179925203/34.
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Pan, Chao-Lin, and 潘照霖. "Cross-lingual Encyclopedia Linking in DNN Framework." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/3tyn54.
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碩士<br>國立中央大學<br>資訊工程學系<br>107<br>The emergence of Wikipedia has completely changed the habit of learning new knowledge. It has developed more than 298 different language versions. However, it exists imbalances in the number of articles between different language versions of Wikipedia. The number of articles in English Wikipedia is far ahead over other languages. Take Chinese Wikipedia as an example, the number of articles is only one-sixth of the English Wikipedia. In addition, Wikipedia's cross-language links between different language versions are also seriously lacking. According to the statistics, only 2.3% of English Wikipedia articles have cross-language links to its Chinese versions.
Despite of Wikipedia, some other countries has its own online encyclopedias and its content is much more abundant than its language versions of Wikipedia. Therefore, we aim to build a "cross-language online encyclopedia between "English Wikipedia" and "Baidu Baike". It is not only contributing to global knowledge sharing, but more conducive to cross-language related research.
In previous CLAL works, their methods usually depend on the language characteristics and the structure of encyclopedia. Therefore, we propose a deep learning model, which only uses the textual main content as the basis of the training data, and various neural networks to distinguish the semantic similarity of the cross-language articles. When facing data in different language versions, the only thing to do is replacing the pre-training word embedding.
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Sachs, Daniel Grobe. "A new framework for hierarchical cross-layer adaptation /." 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3223708.
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Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2006.<br>Source: Dissertation Abstracts International, Volume: 67-07, Section: B, page: 4010. Adviser: Douglas L. Jones. Includes bibliographical references (leaves 117-122) Available on microfilm from Pro Quest Information and Learning.
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Tien, Yung-Hung, and 田永弘. "Economic Cooperation Framework Agreement in the cross strait." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/78888512512939459974.
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碩士<br>淡江大學<br>中國大陸研究所碩士班<br>98<br>Since 1987 there are rapid changes in the cross-strait, changes includes: economy and others private exchanges are warming relations with China, but the political aspect remain confrontation. The form is uniquely. The highly interactive features not only make the trade rapid development but also make other functional areas further. After 2000, Taiwan''s exports growth rate to mainland get higher and higher year after year. Taiwan''s total exports depend on China more than fourty percents. China is the largest export market and the biggest trade surplus to Taiwan.
After 90s, the regionalism prevails again, in recent years, WTO multilateral negotiations develop very slowly, it puches nations into the regional economic integration. The nations promote a regional trade agreements by signing Free Trade Agreements globally. China-ASEAN Free Trade Area (CAFTA) came into effect in 2010. Taiwan''s products will face difficult battles, which can’t compete fairly with other ASEAN members in China market. Taiwan is 17th largest exporter (2009) in the world. If we can’t as soon as enter the regional economic integration globally, especially enter the East Asia regional integration, Taiwanese economy will gradually be marginalized.
After taking office, the Ma government has promoted to sign an Economic Cooperation Framework Agreement (ECFA) with China. By the ECFA Taiwan will participate in the regional economic integration to the world and it will stimulate the economic growth in Taiwan. The leaders of China goodwill response to Taiwan, they will to sign the ECFA to Taiwan. The cross-strait government signed ECFA on June 29 this year. It will take effect after waiting for the Legislative’s passage and complete it.
The two sides have positive attitude to sign the ECFA, this research discovered that, they are looking forward to other important issues related to current cross-strait economic and trade interaction after the ECFA. However, signing the ECFA successfully not only test the cross-strait relations but also relate to the peaceful development in the future. Certaining, Taiwan should pay attention on the negative effects economiclly and politically. Our government should prevent from hurting and finding the best ways in advance to help the sectors which suffered from ECFA. By doing so, Taiwan should join the East Asian regional economic integration and avoid being marginalized.
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Lee, Chan-Deng, and 李展蝶. "Economic Cooperation Framework Agreement in the cross strait." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/21516780380837579204.
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碩士<br>淡江大學<br>中國大陸研究所碩士在職專班<br>100<br>After the 30th anniversary of reform and opening, the mainland of China makes achievements in economic growth and business development. It knocks the socks off other countries. The diplomacy thought of Deng Xiaoping has been changed. China has more influence in international affairs and takes part in the world. In the trend of globalization, 2011 was a critical and important year. 2011 was not only the first year of China''s 12th five-year plan, but also first year of golden decade of Taiwan. 2011 was also the second year after the cross-strait signed ECFA. There are more than 60 years about the development of cross-strait relation. But the change in recent years has been much more than the past decade. Nowadays, China gets good grades in economic growth and business development. Everyone looks China with new eyes. With the relation development, cross-strait gets cooperation in various areas. Because of the financial storm and high unemployment rate, the job market’s influence of ECFA in Taiwan is concerned by society.
This research mainly responses to the global and regional integration trends, keeps the trading advantage of Taiwan and excludes other countries or regions to sign a free trade agreement. Strait signed an economic cooperation framework agreement, ECFA, in June 2010. ECFA early harvest program was implemented in 2011. The cross-strait have not negotiated yet about the commodity items and the trade in services of ECFA. It will overstep the range of ECFA early harvest program. Because of that, it is hardly using the real data to predict the influence to Taiwan. From experiences, the government of Taiwan should do something to protect the traditional and weak industries and to avoid the problem of unemployment. How to lower the negative impact of ECFA and intensify the economic benefits is the research direction of this paper.
Nevertheless, any trade liberalization has advantages and disadvantages. ECFA is not a panacea or a miracle drug. But the economic theory tell us that trade liberalization can promote the efficient allocation of resources and lower the gap of commercial trade. It will upgrade the economic benefits on both side. Finally, we try to find the way to protect the sovereignty of Taiwan, raise trade interests, and get the future of Taiwan. This is the summary of the paper.