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Dissertations / Theses on the topic 'Storage platform'
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Totolici, Alexandru. "CRYPSTOR : a platform for secure storage." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/44603.
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Cloud computing continues to grow as a preferred development and deployment model, enabling new types of applications to be built while keeping resource requirements convenient for developers. Sacrifices have been made, however, in terms of the security and protection of data stored in these cloud applications, leaving users vulnerable to information leaks and invasions of privacy.
We present CRYPSTOR, a storage platform design that addresses data security in the cloud computing context through the use of encryption, while maintaining the desirable properties of the current model, such as efficient storage and sharing.
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Karumanchi, Sushama. "A TRUSTED STORAGE SYSTEM FOR THE CLOUD." UKnowledge, 2010. http://uknowledge.uky.edu/gradschool_theses/22.
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Data stored in third party storage systems like the cloud might not be secure since confidentiality and integrity of data are not guaranteed. Though cloud computing provides cost-effective storage services, it is a third party service and so, a client cannot trust the cloud service provider to store its data securely within the cloud. Hence, many organizations and users may not be willing to use the cloud services to store their data in the cloud until certain security guarantees are made. In this thesis, a solution to the problem of securely storing the client’s data by maintaining the confidentiality and integrity of the data within the cloud is developed. Five protocols are developed which ensure that the client’s data is stored only on trusted storage servers, replicated only on trusted storage servers, and guarantee that the data owners and other privileged users of that data access the data securely. The system is based on trusted computing platform technology [11]. It uses a Trusted Platform Module, specified by the Trusted Computing Group [11]. An encrypted file system is used to encrypt the user’s data. The system provides data security against a system administrator in the cloud.
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Chien, Chih-Tao. "Carbon-based nanomaterials for solar energy harvesting and storage devices towards integrated power platform." Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708903.
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Saghbini, Jean-Claude J. "Standards in the data storage industry : emergence, sustainability, and the battle for platform leadership." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/31170.
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Thesis (S.M.)--Massachusetts Institute of Technology, System Design and Management Program, 2005.<br>Includes bibliographical references (p. 127-130).<br>In order to cope with the continuous increase of magnetically stored data and of mission critical dependence on this data, storage systems must similarly increase in their functionality offerings, and with that, their complexity. The efficient management of the heterogeneous and complex aggregation of these systems is becoming one of the major challenges to IT customers. At the same time, hardware is becoming commoditized, and the industry is looking towards software for additional revenue generation. This document examines proprietary as well as open-standards attempts at solving the interoperability problem. The first attempt was made by EMC when it developed WideSky, a middleware software layer that would be able to manage third party hardware. It is shown that the aim was to eventually transform this middleware into a de facto standard and with that establish platform leadership in the industry. The WideSky effort failed, and the analysis of this failure attributes it to a lack of industry support and inability at establishing a sustainable value chain. Meanwhile, the industry players rallied around the SNIA body and adopted the SMI specification (SMI-S) as a standard. SMI-S adoption is on the rise, but although it has the formal backing of most of the storage industry firms, it has not yet fulfilled its promise of enabling centralized management of heterogeneous systems. This is partially because of the fact that the functionality that it provides is still lagging behind the functionality that native APIs provide. Moreover, client adoption and the availability of client products that can be directly used by IT customers are still very limited.<br>(cont.) However, an examination of the dynamics surrounding this standard show how SMI-S will benefit greatly from learning effects and network externalities as it continues to grow, and although lagging in traditional functionality, it offers an ancillary functionality of interoperability that is missing from current non- standardized software interfaces. The adoption tipping point is highly dependant on whether or not the value chain can be established before vendors start dropping support for the specification. It is proposed that a positive tipping of the market will make SMI-S a disruptive technology that has the potential of becoming the dominant design for storage management interfaces.<br>by Jean-Claude Jacques Saghbini.<br>S.M.
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Bowlin, Oscar E. "Modeling and simulation of the free electron laser and railgun on an electric Naval surface platform." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2006. http://library.nps.navy.mil/uhtbin/hyperion/06Mar%5FBowlin.pdf.
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Sánchez, Yamid Alberto Carranza. "Exergy and environmental assessment of FPSO offshore platforms with CO2 capture and storage." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/3/3150/tde-26062017-140458/.
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Offshore oil platforms are used for the exploitation and production of hydrocarbons and consist of a processing plant and a utility plant. The oil and gas industry operations are energy-intensive and, in the case of offshore platforms, the need to decrease energy consumption and reduce CO2 emissions has increased. In the oil and gas industry, the ISO 50001 standard promotes the implementation of energy management systems and proposes indicators based on energy. Interestingly, after several decades of knowledge of the concept of exergy, this has not been formally implemented in the programs and strategies of the oil and gas industry organizations. In this research, the implementation of the exergy method and the carbon capture and storage strategy for the assessment of the performance of a floating, production and storage offloading units FPSO is proposed. FPSO platforms and their processing and utility plants may have different configurations depending on, among others, the reservoir characteristics and production requirements. The possible configurations can therefore be numerous. In this sense, some operation scenarios based on different well-fluid compositions and operation modes are studied. The platform models are developed and simulated using the software Aspen HYSYS®. Results show that, on average, the reduction of 88.8% in CO2 emissions is penalized with a reduction in exergy efficiency of 1.7 points. Further, results allow a better understanding of exergy and environmental performance of the FPSO.<br>Plataformas de petróleo offshore são utilizadas para a exploração e produção de hidrocarbonetos e consistem em uma planta de processamento e uma planta de utilidade. As operações da indústria de petróleo e gás são de energia intensiva e, no caso de plataformas offshore, é necessário cada vez mais diminuir o consumo de energia e reduzir as emissões de CO2. Na indústria de petróleo e gás, a norma ISO 50001 promove a implementação de sistemas de gestão de energia e propõe indicadores baseados em energia. Entretanto, após várias décadas de conhecimento do conceito de exergia, este não foi formalmente implementado nos programas e estratégias das organizações da indústria de petróleo e gás. Neste trabalho, propõe-se a implementação da análise exergética e a estratégia de captura e armazenamento de carbono para a avaliação do desempenho de unidades flutuantes, de produção, de armazenamento e transferência FPSO. As plataformas FPSO e suas plantas de processamento e utilidade podem ter diferentes configurações dependendo, entre outras, das características do reservatório e dos requisitos de produção. As configurações possíveis podem, portanto, ser numerosas. Neste sentido, são estudados alguns cenários de operação baseados em diferentes composições dos fluidos do poço e em três modos de operação. Os modelos de plataforma são desenvolvidos e simulados usando o software Aspen HYSYS®. Os resultados mostram que, em média, a redução de 88,8% nas emissões de CO2 é penalizada com uma redução da eficiência exergética de 1,7 pontos. Além disso, os resultados permitem uma melhor compreensão da exergia e desempenho ambiental do FPSO.
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Hayes, Robert Paul. "Control system design for a C-130 ro-ro sensor deployment platform." Morgantown, W. Va. : [West Virginia University Libraries], 2004. https://etd.wvu.edu/etd/controller.jsp?moduleName=documentdata&jsp%5FetdId=3611.
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Thesis (M.S.)--West Virginia University, 2004.<br>Title from document title page. Document formatted into pages; contains xi, 190 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 116-119).
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Williams, Kenneth A. "A rotational arm connection point design for a C-130 aircraft standardized sensor platform." Morgantown, W. Va. : [West Virginia University Libraries], 2006. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4703.
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Thesis (M.S.)--West Virginia University, 2006.<br>Title from document title page. Document formatted into pages; contains viii, 77 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 58-59).
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Mata, Carlos. "Development and Evaluation of an Open Platform for Recording, Storage, Visualization and Analysis of Biosignals on the Cloud." Thesis, KTH, Skolan för kemi, bioteknologi och hälsa (CBH), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-233394.
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There is a large number of biosignals that can be obtained from the human body. Repositories of biosignals are used for researchers in many studies as datasets. Datasets with clinical and personal information have many regulations and they are not accessible to everyone. Platforms with acquisition, recording and visualization of data are currently used in homecare systems for monitoring patients in an effcient way. Distant monitoring allows a good and prompt communication between patients and physicians. This work describes the design and development of a platform at hardware and software level for recording, storage, visualization and analysis of biosignals on the cloud. For the platform, IoT and Cloud Computing resources were used. Open-source and free software are considered for an easy and flexible enlargement of the system.
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Gustafsson, Filip. "Waste heat recovery systems : Fuel energy utilisation for a marine defence platform." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-19681.
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This report is a thesis for BTH in collaboration with the company Saab Kockums AB. In order to meet future environmental and economical demands, a vessel must reduce its fuel consumption to have a smaller climate impact and save money. Waste heat recovery systems (WHRS) captures the thermal energy generated from a process that is not used but dumped into the environment and transfers it back to the system. Thermal energy storage (TES) is the method of storing thermal energy which allows heat to be used whenever necessary. Some applications of TES are seasonal storage, where summer heat is stored for use in the winter or when ice is produced during off-peak periods and used for cooling later. The purpose of this study is to investigate the possibilities of utilising a vessel’s waste heat by converting thermal energy into electrical energy. This thesis also aims to investigate conditions for SaltX Technology’s nano-coated salt as a potential solution for thermal energy storage. Initially, the expectations and requirements a future WHRS were investigated in a function analysis. Continuously, the method consisted of a combination of a literature review and dialogue with stakeholders. The literature review was used as a tool to identify, select and study concepts of interest built on scientifically proven facts. Dialogues with stake holders were held as a complement to the literature study to find information. The study showed that an organic Rankine cycle has the highest efficiency for low-medium temperature heat and is therefore most suitable to recover thermal energy from the cooling water. The concept of a steam Rankine cycle is most suitable for recovering thermal energy from the exhaust gases for direct use.The study obtained conditions and important properties for storing thermal energy in salt for later use. Finally, the result showed that a Stirling engine is the most efficient concept for conversion of stored energy into electrical energy. The conclusions are that there are great possibilities for waste heat recovery on marine defence platforms. A Stirling engine for energy conversion in combinations with thermal energy storage shows most promise as a future waste heat recovery system on this type of marine platform.<br>Denna rapport är ett examensarbete för BTH i samarbete med företaget Saab Kockums AB. Arbetet utforskar möjligheterna att möta framtida miljömässiga och ekonomiska krav genom att låta fartyg minska sin bränsleförbrukning. System för återvinning av spillvärme (WHRS) fångar upp värmeenergi som vanligtvis kyls ner eller släpps ut i naturen och för den tillbaka till systemet. Termisk energilagring (TES) är metoder för lagring av värme som gör det möjligt att använda termisk energi när det behövs. Vissa applikationer av TES är säsongslagring, där sommarvärme lagras för användning på vintern eller när is produceras under vintern och används för kylning senare. Syftet med denna studie är att undersöka möjligheterna att utnyttja ett fartygs spillvärme genom att omvandla termisk energi till elektrisk energi. Detta examensarbete syftar också till att undersöka förhållandena för hur SaltX Technology’s nanobelagda salt kan användas som en potentiell lösning för lagring av termisk energi. Inledningsvis undersöktes WHRS:s förväntningar och krav i en funktionsanalys. Fortsättningsvis bestod metoden av en kombination av en litteraturstudie och dialoger med intressenter. Litteraturstudien användes som ett verktyg för att identifiera, välja och studera intressanta koncept baserade på vetenskapligt beprövade fakta. Dialoger hölls som ett komplement till litteraturstudien för att hitta information. Studien visade att en organisk Rankine-cykel har den högsta verkningsgraden för låg-medelhög temperatur och därför är bäst lämpad för att återvinna energi buren i kylvattnet samt att en ång-Rankine-cykel är bäst lämpad för att utnyttja energin från avgaserna för direkt användning. Studien erhöll förhållanden för termisk energilagring i salt samt viktiga parametrar för systemet. Slutligen visade resultatet att en Stirlingmotor är det mest effektiva konceptet för omvandling av lagrad energi till elektrisk energi. Slutsatserna är att det finns stora möjligheter för återvinning av restvärme på marina försvarsplattformar. En Stirlingmotor för energiomvandling i kombination med termisk energilagring visar störst potential som ett framtida system för återvinning av spillvärme på denna typen av plattformar.
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Karkera, Sohan Sadanand. "Implementation of Distributed Cloud System Architecture using AdvancedContainer Orchestration, Cloud Storage, and Centralized Database for a Web-based Platform." University of Cincinnati / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1613750624346862.
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Lundberg, Sebastian, and Peter Sönnerfors. "Integritetsstudie av Ceph : En mjukvarubaserad lagringsplattform." Thesis, Linnéuniversitetet, Institutionen för datavetenskap (DV), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-44756.
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Dagens moderna organisationer driver vanligtvis en kostsam IT-baserad infrastruktur. De besitter högpresterande funktionalitet och säkerhet för att garantera att de dagliga operationerna fortskrider. Mjukvarubaserade lagringsplattformar är ett alternativ som kan användas för att reducera dessa kostnader. Genom att efterlikna avancerad teknik som redan existerar i traditionella lagringsplattformar kan detta implementeras som mjukvara på commodity hardware i syfte att uppnå samma funktionalitet. Ceph är ett alternativ som numera implementeras och ämnar erbjuda detta val. Vi anser att mjukvarubaserade lagringslösningar är obeprövade och en serie förkonstruerade tester utfördes som undersökte om Ceph kan garantera dataintegritet. Det som observerades var bristande funktionalitet att bibehålla dataintegritet efter att Ceph slutfört återskapningsprocessen när lagringsklustret erfor hög nyttjandegrad.<br>Modern organizations today normally operate an expensive IT-based infrastructure. They possess high-performance functionality and security to ensure that the daily operations progresses. Software-based storage platforms is an option that can be used to reduce these costs. By imitating advanced technology that already exists in the traditional storage platforms, this can be implemented as software on commodity hardware in order to achieve the same functionality. Ceph is an alternative that is implemented today and intends to provide this choice. We believe that software-based storage solutions are untested and a series of pre-built tests were conducted that examined whether Ceph can guarantee data integrity. What we observed was a lack of functionality to maintain data integrity after Ceph completed the recovery process, when the storage cluster experienced high utilization.
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Kanai, Rieko. "Case study: Applied Digital Solutions I3 services platform." CSUSB ScholarWorks, 2001. https://scholarworks.lib.csusb.edu/etd-project/1734.
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The purpose of this project is to analyze whether i3 Strategy of Applied Digital Solutions (ADS) was necessary to meet the fast-moving IT industry. i3 Services Strategy is an integrated corporate strategy to reengineer the organizational structure of ADS.
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Howard, John M. "THE APPLICATION OF DISK RECORDING TECHNOLOGY TO PLATFORM DATA CAPTURE & ANALYSIS." International Foundation for Telemetering, 2003. http://hdl.handle.net/10150/605819.
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International Telemetering Conference Proceedings / October 20-23, 2003 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>Disk Recorders now represent a high performance, low cost and reliable alternative to traditional tape recorders for a wide range of platform data recording applications. This paper discusses the latest advances in disk-based recording technology in the context of multi-channel Telemetry applications, showing the degree of flexibility that is now possible in terms of both channel count and the ability to record synchronous and asynchronous digital data streams alongside multiple wideband analog channels. The techniques described are equally applicable to Acoustic, SIGINT and Telecommunications data capture and analysis applications aboard static, airborne and maritime platforms. Topics covered include how new disk-based data capture technologies have been able to extend bandwidth, storage capacity, signal fidelity and the overall capability of mission recorders. Advanced operational issues, including true ‘read-after-write’, data security, portability and archiving, enhanced data management and analysis strategies are also covered. The Paper includes detailed test results from COTS Disk Recorders already in service as well as an informative Road Map for this exciting new technology.
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Forsberg, Linus, and Maximilian Falkenström. "Mobile Sensor Gateway." Thesis, Malmö universitet, Fakulteten för teknik och samhälle (TS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-20464.
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Den här uppsatsen beskriver processen av att skapa en plattformsoberoende mobilapplikation för att koppla upp mobila enheter mot trådlösa sensorer med hjälp av Bluetooth Low Energy, samla in data från uppkopplade sensorer och ladda upp den insamlade datan till en molnlagringstjänst. Allt eftersom konsumenter och forskare använder fler sensorer och andra Bluetooth-enheter, [1] ökar behovet av simplare och standardiserade lösningar för att arbeta med dessa. En litteraturstudie har genomförts där information om närliggande forskning insamlats och viktig information om de nödvändiga mjukvarukomponenter som krävs har utvärderats. I kombination med litteraturstudien har en IT-artefakt utvecklats i form av en mobilapplikation som har testats utefter insamlade krav för att säkerställa applikationens funktionalitet. Syftet med det här arbetet är att tydliggöra och konkretisera en mjukvaruutvecklingsprocess som kan användas för att skapa en mobilapplikation av det här slaget, samt vilka potentiella svårigheter som finns i dagsläget med att utforma den här typen av applikationer. Resultaten visar att en del tillverkare inte följer standarden för Bluetooth-kommunikation, detta gör det svårt att skriva generaliserade metoder för att hämta data från sensorer av alla typer och från samtliga tillverkare.<br>This thesis describes the process of creating a platform-independent mobile application for connecting mobile devices to wireless sensors using Bluetooth Low Energy, collecting data from connected sensors and uploading the collected data to a cloud storage service. As consumers and researchers use more sensors and other Bluetooth-devices, [1] one could argue that there is a need for simpler and standardised solutions to working with these. A literature study has been conducted where information on related research has been collected and important information about the necessary software components has been evaluated. In combination with the literature study, an IT artefact has been developed in the form of a mobile application that has been tested according to collected requirements to ensure the application's functionality. The purpose of this work is to contribute with a clear scientific process over what is required to create a mobile application of this kind and what potential difficulties exist in present-day design of this type of applications. The results show that some manufacturers may not be following the standards for Bluetooth data communication, thus making it hard to write generalized methods for retrieving data from sensors of any type or manufacturer.
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Salah, Bashir [Verfasser], Bernd Akademischer Betreuer] Noche, and Dieter [Akademischer Betreuer] [Schramm. "The Implementation and Analysis of a Tendon-Based-Stewart-Gough-Platform (SGP) for an Automated Storage and Retrieval System for Mini-Load / Bashir Salah. Gutachter: Dieter Schramm. Betreuer: Bernd Noche." Duisburg, 2013. http://d-nb.info/1043439943/34.
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Kim, Hyojun. "Informed storage management for mobile platforms." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45768.
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Storage devices are rapidly changing, and we need to adapt the OS storage software stack to keep up with the changes.
Such a re-evaluation of the storage software stack is especially required for mobile platforms because they are relying on inexpensive flash storage devices having very different performance characteristics from the familiar hard disk.In this thesis work, we first show the importance of storage in mobile platforms; contrary to conventional wisdom, we find evidence that storage is a significant contributor to application performance on mobile devices.
Then, we explore the solution space for flash storage;
user-level library for selective logging, host-side write buffering layer, and OS buffer replacement scheme for flash storage have been studied.
Finally, we build an integrated solution for smartphone storage, named Fjord. In the Fjord study, we re-design logging and RAM buffering solutions for smartphones, and also propose fine-grained reliability control mechanisms. We prove that non-volatile logging can improve storage performance remarkably. Understanding the characteristics of cloud-backed applications and controlling the reliability constraint for chosen cloud-backed applications can achieve additional significant performance gain.We implement and evaluate our solution on a real Android smartphone, and demonstrate significant performance gains for everyday apps on such platforms.
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Stoeck, Ulrich, Simon Krause, Volodymyr Bon, Irena Senkovska, and Stefan Kaskel. "A highly porous metal–organic framework, constructed from a cuboctahedral super-molecular building block, with exceptionally high methane uptake." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-138864.
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A highly porous metal–organic framework Cu2(BBCDC) (BBCDC = 9,9′-([1,1′-[b with combining low line]iphenyl]-4,4′-diyl)[b with combining low line]is(9H-[c with combining low line]arbazole-3,6-[d with combining low line]i[c with combining low line]arboxylate) (DUT-49) with a specific surface area of 5476 m2 g−1, a pore volume of 2.91 cm3 g−1, a H2 excess uptake of 80 mg g−1 (77 K, 50 bar), a CO2 excess uptake of 2.01 g g−1 (298 K, 50 bar) and an exceptionally high excess methane storage capacity of 308 mg g−1 (298 K, 110 bar) was obtained using an extended tetratopic linker<br>Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich
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Stoeck, Ulrich, Simon Krause, Volodymyr Bon, Irena Senkovska, and Stefan Kaskel. "A highly porous metal–organic framework, constructed from a cuboctahedral super-molecular building block, with exceptionally high methane uptake." Royal Society of Chemistry, 2012. https://tud.qucosa.de/id/qucosa%3A27787.
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A highly porous metal–organic framework Cu2(BBCDC) (BBCDC = 9,9′-([1,1′-[b with combining low line]iphenyl]-4,4′-diyl)[b with combining low line]is(9H-[c with combining low line]arbazole-3,6-[d with combining low line]i[c with combining low line]arboxylate) (DUT-49) with a specific surface area of 5476 m2 g−1, a pore volume of 2.91 cm3 g−1, a H2 excess uptake of 80 mg g−1 (77 K, 50 bar), a CO2 excess uptake of 2.01 g g−1 (298 K, 50 bar) and an exceptionally high excess methane storage capacity of 308 mg g−1 (298 K, 110 bar) was obtained using an extended tetratopic linker.<br>Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.
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Magnusson, Wilhelm, and Christian Schreil. "Marknadsföring via sökmotorer : Planering av sökord." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-177591.
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Närvaron på Internet har aldrig varit större och användningen av sökmotorer motsvarar en stor del av hur människor upptäcker tillgängligt innehåll på Internet. Innehållet som utgörs av hemsidor kategoriseras av sökmotorers automatiserade tjänster. Ett arbete för att förbättra hemsidors möjlighet att kategoriseras görs för att få ökad synlighet genom sökmotorer. Förbättrad synlighet kan också erhållas genom sökmotormarknadsföring, vilket är en strategi för att annonsera via sökmotorer. Genom sökmotorer finns verktyg som assisterar detta ändamål. Företaget som rapporten berör erbjuder tjänster både för sökmotoroptimering och marknadsföring. Problemet med företagets befintliga hantering är att det inte erbjuder tillräckliga möjligheter till analys av statistik för annonseringar på sökmotorerna. Begränsningarna kommer av att statistiken för företagets kunder är separerade på flera olika platser. Konsulter på företaget som ansvarar för vissa kunder får inte dela med sig av statistik för administrerade annonseringar till andra konsulter på företaget. Projektet syftar finna en metod för företagets anställda att göra bättre analyser av sökord och annonseringar. Metoden realiseras i en applikationsplattform, där de anställda erhåller en webbapplikation som kan användas för att finna relevant statistik. Med en kvalitativ metod samlas underlag om företaget och deras förväntningar på systemet in, den insamlade informationen används i den fas som mynnar ut i systemets framställning. Systemet utvecklas iterativt och implementeras sedan i företagets befintliga driftmiljö. Genom arbetet som gjorts i projektet har ett användbart system kunnat realiseras för relevanta användare på företaget. Applikationen erbjuder djupare insikt i vilka faktorer som bidrar till annonseringars framgång. Dock har framgången kring systemets införande inte kunnat mätas i tillräckligt stor utsträckning. En sammanfattning av studien bidrar till rekommendationer till framtida arbete.<br>Internet usage has never been greater. Search engines provide a gateway to discover content online. The content comes in the form of web pages, which are categorized by the automated services of a search engine. Certain steps can be taken to optimize the way web sites are categorized, all of which are done to improve the visibility on search engines. Another way to increase visibility of a web site can be achieved with search engine marketing. Search engine marketing describes the process of advertising content on search engines. Search engine providers have different tools that may assist the process of advertising. The company that this report concerns provides services in the areas of optimizing and advertising content on search engines. The problem manifests in the company’s current system, which doesn’t provide an acceptable way of analyzing statistics of their search engine marketing efforts. Employees involved with their respective customers may not share information about their strategies and statistics to co-workers. The purpose of the project is to define a method for the company and its employees to achieve a higher level analysis of keyword and advertisement data. The work is realized in a platform that provides employees a way to extract relevant statistics from a web application. A qualitative methodology is defined to collect descriptive information about the company’s processes and their expectations on the system to be developed. The system is developed in a series of iterations and is deployed on a server provided by the company. The efforts have resulted in a useful system that may provide employees with deeper insights as to which factors that might be key for the success of certain advertisement strategies. However, the effects of the system have not been measured to confirm if the method actually improved the company’s search engine marketing efforts. To conclude the study, a set of recommendations has been given for future work.
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Elsaidi, Sameh Khamis. "Crystal Engineering of Functional Metal-Organic Material Platforms for Gas Storage and Separation Applications." Scholar Commons, 2014. https://scholarcommons.usf.edu/etd/5417.
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Metal-organic materials (MOMs) represent a unique class of porous materials that captured a great scientific interest in various fields such as chemical engineering, physics and materials science. They are typically assembled from metal ions or metal clusters connected by multifunctional organic ligands. They represent a wide range of families of materials that varied from 0D to 3D networks: the discrete (0D) structures exemplified by metal-organic polyhedra (MOPs), cubes and nanoballs while the polymeric 1D, 2D and 3D structures exemplified by coordination polymers (CPs). Indeed, the porous 3D structures include metal-organic frameworks (MOFs), porous coordination polymers (PCPs) and porous coordination networks (PCNs). Nevertheless, MOMs are long and well-known from more than 50 years ago as exemplified by CPs that were firstly introduced in early 1960s and reviewed in 1964. However, the scientific interest toward MOMs has been enormously grown only since late 1990s, with the discovery of MOMs with novel properties, especially the high permanent porosity as exemplified by MOF-5 and HKUST-1. The inherent tunability of MOMs from the de novo design to the post-synthetic modification along with their robustness, afford numerous important families of nets "platforms" such as pcu, dia, tbo, mtn and rht topology networks.
There are more than 20,000 crystal structures of MOMs in the Cambridge Structure Database (CSD). However, only a few of the networks can be regarded as families or platforms where the structure is robust, fine-tunable and inherently modular. Such robustness and inherent modularity of the platforms allow the bottom-up control over the structure "form comes before function" which subsequently facilitates the systematic study of structure/function in hitherto unprecedented way compared with the traditional screening approaches that are commonly used in materials science. In this context, we present the crystal engineering of two MOM platforms; dia and novel fsc platforms as well we introduce the novel two-step synthetic approach using trigonal prismatic clusters to build multinodal 2D and 3D MOM platforms.
For the dia platform, we introduce a novel strategy to control over the level of the interpenetration of dia topology nets via solvent-template control and study the impact of the resulting different pore sizes on the squeezing of CH4, CO2 and H2 gases. New benchmark material for methane isosteric heat of adsorption was produced from this novel work.
Indeed we introduce the crystal engineering of a novel versatile 4,6-c fsc platform that is formed from linking two of the longest known and most widely studied MBBs: the square planar MBB [Cu(AN)4]2+( AN = aromatic nitrogen donor) and square paddlewheel MBB [Cu2(CO2R)4] that are connected by five different linkers with different length, L1-L5. The resulting square grid nets formed from alternating [Cu(AN)4]2+ and [Cu2(CO2R)4] moieties are pillared at the axial sites of the [Cu(AN)4]2+ MBBs with dianionic pillars to form neutral 3D 4,6-connected fsc (four, six type c) nets. Pore size control in this family of fsc nets was exerted by varying the length of the linker ligand whereas pore chemistry was implemented by unsaturated metal centers (UMCs) and the use of either inorganic or organic pillars. 1,5-naphthalenedisulfonate (NDS) anions pillar in an angular fashion to afford fsc-1-NDS, fsc-2-NDS, fsc-3-NDS, fsc-4-NDS and fsc-5-NDS from L1-L5, respectively. Experimental CO2 sorption studies revealed higher isosteric heat of adsorption (Qst) for the compound with the smaller pore size (fsc-1-NDS). Computational studies revealed that there is higher CO2 occupancy about the UMCs in fsc-1-NDS compared to other extended variants that were synthesized with NDS. SiF62- (SIFSIX) anions in fsc-2-SIFSIX form linear pillars that result in eclipse [Cu2(CO2R)4] moieties at a distance of just 5.86 Å. The space between the [Cu2(CO2R)4] moieties is a strong CO2 binding site that can be regarded as being an example of a single-molecule trap; this finding has been supported by modeling studies.
Furthermore, we present herein the implementation of the two-step synthetic approach for the construction of novel multinodal MOM platforms, using the trigonal prism cluster [M3(µ3-O)(RCO2)6] as a precursor to build novel stable multinodal 2D and 3D frameworks. In the first step, the bifunctional carboxylate ligands are reacted with Fe+3 or Cr+3 salts to isolate highly symmetrical decorated trigonal prismatic clusters with diverse decoration such as pyridine, amine and cyano coordinating functional groups using pyridine carboxylate, amino carboxylate, cyano carboxylate type ligands, respectively. Afterward, the isolated highly soluble trigonal prismatic salts were reacted in the second step with another metal that can act as node or linker to connect the discrete trigonal prismatic clusters to build 2D or 3D networks. Indeed, we were able to develop another novel high-symmetry Cu cluster [Cu3(µ3-Cl)(RNH2)6Cl6] by utilizing CuCl2 salt and amine decorated trigonal prismatic cluster. Two novel 3D water stable frameworks with acs and stp topologies have been afforded.
Our work on the crystal engineering design and synthesis of new MOM platforms offer an exceptional level of control over the resulting structure including; the resulting topology, pore size, pore chemistry and thereby enable the control over the resulting physicochemical properties in a manner that facilitates the achieving of the desired properties.
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Addo, Samuel. "Development of targeted insecticide treatment for improved storage of maize cobs on traditional platforms in Ghana." Thesis, University of Greenwich, 2003. http://gala.gre.ac.uk/10337/.
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Improvements to maize cob storage on farms in the Volta Region of Ghana were investigated with a view to limiting the damage and losses associated with the Larger Grain Borer (Prostephanus truncatus) and weevils (Sitophilus spp). The study was initiated by a survey of those technologies adopted following an earlier project to help farmers protect maize against P. truncatus. The study included farmers’ perceptions of their own storage problems and was designed to provide background information on how farmers might benefit from a novel technique of applying pesticide to only the basal layers of cobs on the platform. Field trials, comparing losses in experimental maize platforms showed that treatment of only the bottom 20% of maize cobs, with Actellic Super (permethrin and pirimiphosmethyl) in dust or emulsion formulation, could give protection that was significantly better than no treatment and not significantly different from full treatment. When combined with placing a plastic sheet over the platform there was a significant reduction in losses while the presence of preharvest infestation resulted in somewhat higher losses. Farmer participatory trials demonstrated that farmers could implement the technique successfully by themselves and subsequent analysis showed that a range of major stakeholders perceived benefits from the method and reaffirmed it as a practical approach. The cost effectiveness of the method was investigated based on assumptions about maize losses and prices. This analysis suggested that targeted treatment is likely to be cost-effective under a wide range of circumstances. However, it was concluded that the safest option for farmers would be to use targeted treatment for those platforms that would be consumed during the course of the year and use full treatment for platforms destined for long-term storage (>6 months). It is suggested that such an approach would widen farmer access to stock protection and improve food security and livelihoods.
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Czurratis, Daniel [Verfasser], and Roland [Akademischer Betreuer] Zengerle. "Long-term on-chip storage and release of liquids for pressure driven Lab-on-a-Chip platforms." Freiburg : Universität, 2016. http://d-nb.info/1119805996/34.
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Lombardoni, Andrea. "Towards a universal information platform : an object-oriented, multi-user, information store /." Zürich : ETH, 2007. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=16797.
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Lee, Min. "Memory region: a system abstraction for managing the complex memory structures of multicore platforms." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50398.
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The performance of modern many-core systems depends on the effective use of their complex cache and memory structures, and this will likely become more pronounced with the impending arrival of on-chip 3D stacked and non-volatile off-chip byte-addressable memory. Yet to date, operating systems have not treated memory as a first class schedulable resource, embracing memory heterogeneity. This dissertation presents a new software abstraction, called ‘memory region’, which denotes the current set of physical memory pages actively used by workloads. Using this abstraction, memory resources can be scheduled for applications to fully exploit a platform's underlying cache and memory system, thereby gaining improved performance and predictability in execution, particularly for the consolidated workloads seen in virtualized and cloud computing infrastructures. The abstraction's implementation in the Xen hypervisor involves the run-time detection of memory regions, the scheduled mapping of these regions to caches to match performance goals, and maintaining region-to-cache mappings using per-cache page tables. This dissertation makes the following specific contributions. First, its region scheduling method proposes that the location of memory blocks rather than CPU utilization is the principal determinant where workloads are run. It proposes a new scheduling method, the region scheduling that the location of memory blocks determines where the workloads are run. Second, treating memory blocks as first-class resources, new methods for efficient cache management are shown to improve application performance as well as the performance of certain operating system functions. Third, explicit memory scheduling makes it possible to disaggregate operating systems, without the need to change OS sources and with only small markups of target guest OS functionality. With this method, OS functions can be mapped to specific desired platform components, such as file system confined to running on specific cores and using only certain memory resources designated for its use. This can improve performance for applications heavily dependent on certain OS functions, by dynamically providing those functions with the resources needed for their current use, and it can prevent performance-critical application functionality from being needlessly perturbed by OS functions used for other purposes or by other jobs. Fourth, extensions of region scheduling can also help applications deal with the heterogeneous memory resources present in future systems, including on-chip stacked DRAM and NUMA or even NVRAM memory modules. More generally, regions scheduling is shown to apply to memory structures with well-defined differences in memory access latencies.
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Zhu, Sainan. "Creating a NoSQL database for the Internet of Things : Creating a key-value store on the SensibleThings platform." Thesis, Mittuniversitetet, Avdelningen för informations- och kommunikationssystem, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-25525.
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Due to the requirements of the Web 2.0 applications and the relational databaseshave a limitation in horizontal scalability. NoSQL databases have become moreand more popular in recent years. However, it is not easy to select a databasethat is suitable for a specific use. This thesis describes the detailed design, im plementation and final performance evaluation of a key-value NoSQL databasefor the SensibleThings platform, which is an Internet of Things platform. Thethesis starts by comparing the different types of NoSQL databases to select themost appropriate one. During the implementation of the database, the algorithms for data partition, data access, replication, addition and removal ofnodes, failure detection and handling are dealt with. The final results for theload distribution and the performance evaluation are also presented in this pa per. At the end of the thesis, some problems and improvements that need betaken into consideration in the futures.
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Štěpánek, Jaroslav. "Analýza mezinárodního trhu mobilních digitálních distibučních platforem." Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-136361.
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The main subject of this diploma thesis is the mobile digital distribution market. The first chapter defines important terms and describes the area comprehensively. The second chapter lists examples of some platforms, shows statistical data and introduces common business models. The third chapter compares the Apple App Store and Google Play based on selected criteria. The fourth chapter deals with conducted survey data in order to test the hypothesis that czech consumers in general do not show a difference in attitude towards mobile distribution storefronts compared to their foreign peers. The fifth and last chapter tries to analyze technical backgrounds of varying content availability across different countries. Also, it deals with selected legal issues.
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Vijayakumar, Sruthi. "Hadoop Based Data Intensive Computation on IAAS Cloud Platforms." UNF Digital Commons, 2015. http://digitalcommons.unf.edu/etd/567.
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Cloud computing is a relatively new form of computing which uses virtualized resources. It is dynamically scalable and is often provided as pay for use service over the Internet or Intranet or both. With increasing demand for data storage in the cloud, the study of data-intensive applications is becoming a primary focus. Data intensive applications are those which involve high CPU usage, processing large volumes of data typically in size of hundreds of gigabytes, terabytes or petabytes. The research in this thesis is focused on the Amazon’s Elastic Cloud Compute (EC2) and Amazon Elastic Map Reduce (EMR) using HiBench Hadoop Benchmark suite. HiBench is a Hadoop benchmark suite and is used for performing and evaluating Hadoop based data intensive computation on both these cloud platforms. Both quantitative and qualitative comparisons of Amazon EC2 and Amazon EMR are presented. Also presented are their pricing models and suggestions for future research.
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Suthakar, Uthayanath. "A scalable data store and analytic platform for real-time monitoring of data-intensive scientific infrastructure." Thesis, Brunel University, 2017. http://bura.brunel.ac.uk/handle/2438/15788.
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Monitoring data-intensive scientific infrastructures in real-time such as jobs, data transfers, and hardware failures is vital for efficient operation. Due to the high volume and velocity of events that are produced, traditional methods are no longer optimal. Several techniques, as well as enabling architectures, are available to support the Big Data issue. In this respect, this thesis complements existing survey work by contributing an extensive literature review of both traditional and emerging Big Data architecture. Scalability, low-latency, fault-tolerance, and intelligence are key challenges of the traditional architecture. However, Big Data technologies and approaches have become increasingly popular for use cases that demand the use of scalable, data intensive processing (parallel), and fault-tolerance (data replication) and support for low-latency computations. In the context of a scalable data store and analytics platform for monitoring data-intensive scientific infrastructure, Lambda Architecture was adapted and evaluated on the Worldwide LHC Computing Grid, which has been proven effective. This is especially true for computationally and data-intensive use cases. In this thesis, an efficient strategy for the collection and storage of large volumes of data for computation is presented. By moving the transformation logic out from the data pipeline and moving to analytics layers, it simplifies the architecture and overall process. Time utilised is reduced, untampered raw data are kept at storage level for fault-tolerance, and the required transformation can be done when needed. An optimised Lambda Architecture (OLA), which involved modelling an efficient way of joining batch layer and streaming layer with minimum code duplications in order to support scalability, low-latency, and fault-tolerance is presented. A few models were evaluated; pure streaming layer, pure batch layer and the combination of both batch and streaming layers. Experimental results demonstrate that OLA performed better than the traditional architecture as well the Lambda Architecture. The OLA was also enhanced by adding an intelligence layer for predicting data access pattern. The intelligence layer actively adapts and updates the model built by the batch layer, which eliminates the re-training time while providing a high level of accuracy using the Deep Learning technique. The fundamental contribution to knowledge is a scalable, low-latency, fault-tolerant, intelligent, and heterogeneous-based architecture for monitoring a data-intensive scientific infrastructure, that can benefit from Big Data, technologies and approaches.
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Fiala, Petr. "Vývoj grafických aplikací na iPhone a iPad platformě." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2012. http://www.nusl.cz/ntk/nusl-412864.
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The project deals with the creation of graphical applications for iOS system, describes the basics of OpenGL ES 2.0, development environment Xcode, Cocoa Touch Framework and Objective-C language. It focuses on the description of creation OpenGL game in the genre of "line drawing" games.
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Dvořák, Marek. "Návrh a implementace mobilní aplikace pro platformu Microsoft Windows." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2016. http://www.nusl.cz/ntk/nusl-234789.
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This thesis describes the process of development of mobile application on the Microsoft Windows platform. The described process covers all stages from the analysis of the target market through design and development of the application to the plan of publishing the app in the Windows Store. Development of the mobile part of Windows 8.1 Universal App using the C# programming language and XAML markup language is integral part of this thesis.
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Pokorná, Lucie. "Vydávání multiplatformní aplikace v aplikačních obchodech App Store a Google Play." Master's thesis, Vysoká škola ekonomická v Praze, 2017. http://www.nusl.cz/ntk/nusl-359085.
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The diploma thesis answers set questions that relate to two different distribution environments, the two options for developers to directly offer their mobile applications to the end users. Distribution is being conducted in the App Store and Google Play application stores, where only such applications that oblige basic requirements can be released and provided to customers. The requirements, official sources of information and support services of the two providers are analyzed in the theoretical part of the thesis. Processes revolving around the application distribution itself are described in the following practical part. Distribution consists of processes from the developer account registration to submitting the application for a review or a check. Sufficient knowledge base could be gathered not only due to a proper exploration of the issue, but also due to an actual application release accomplished by the author. A cross-platform mobile application to be released has been developed solely for the purposes of this diploma thesis. The application has been built in two platform specific versions. Whilst publishing it, an emphasis was laid on keeping the conditions as similar as possible to achieve viable case study results. The application release represents the case that produced all data that enabled a direct comparison and overall evaluation of the different developer settings at the end of the thesis. Findings and conclusions of this thesis can be used by developers and other interested parties that are looking for an integrated source of information that regards releasing a cross-platform mobile application on iOS and Android platform.
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Carpen-Amarie, Alexandra. "BlobSeer as a data-storage facility for clouds : self-Adaptation, integration, evaluation." Thesis, Cachan, Ecole normale supérieure, 2011. http://www.theses.fr/2011DENS0066/document.
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L’émergence de l’informatique dans les nuages met en avant de nombreux défis qui pourraient limiter l’adoption du paradigme Cloud. Tandis que la taille des données traitées par les applications Cloud augmente exponentiellement, un défi majeur porte sur la conception de solutions efficaces pour la gestion de données. Cette thèse a pour but de concevoir des mécanismes d’auto-adaptation pour des systèmes de gestion de données, afin qu’ils puissent répondre aux exigences des services de stockage Cloud en termes de passage à l’échelle, disponibilité et sécurité des données. De plus, nous nous proposons de concevoir un service de données qui soit à la fois compatible avec les interfaces Cloud standard dans et capable d’offrir un stockage de données à haut débit. Pour relever ces défis, nous avons proposé des mécanismes génériques pour l’auto-connaissance, l’auto-protection et l’auto-configuration des systèmes de gestion de données. Ensuite, nous les avons validés en les intégrant dans le logiciel BlobSeer, un système de stockage qui optimise les accès hautement concurrents aux données. Finalement, nous avons conçu et implémenté un système de fichiers s’appuyant sur BlobSeer, afin d’optimiser ce dernier pour servir efficacement comme support de stockage pour les services Cloud. Puis, nous l’avons intégré dans un environnement Cloud réel, la plate-forme Nimbus. Les avantages et les désavantages de l’utilisation du stockage dans le Cloud pour des applications réelles sont soulignés lors des évaluations effectuées sur Grid’5000. Elles incluent des applications à accès intensif aux données, comme MapReduce, et des applications fortement couplées, comme les simulations atmosphériques<br>The emergence of Cloud computing brings forward many challenges that may limit the adoption rate of the Cloud paradigm. As data volumes processed by Cloud applications increase exponentially, designing efficient and secure solutions for data management emerges as a crucial requirement. The goal of this thesis is to enhance a distributed data-management system with self-management capabilities, so that it can meet the requirements of the Cloud storage services in terms of scalability, data availability, reliability and security. Furthermore, we aim at building a Cloud data service both compatible with state-of-the-art Cloud interfaces and able to deliver high-throughput data storage. To meet these goals, we proposed generic self-awareness, self-protection and self-configuration components targeted at distributed data-management systems. We validated them on top of BlobSeer, a large-scale data-management system designed to optimize highly-concurrent data accesses. Next, we devised and implemented a BlobSeer-based file system optimized to efficiently serve as a storage backend for Cloud services. We then integrated it within a real-world Cloud environment, the Nimbus platform. The benefits and drawbacks of using Cloud storage for real-life applications have been emphasized in evaluations that involved data-intensive MapReduce applications and tightly-coupled, high-performance computing applications
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Song, Zhenhe. "Pullout behaviour of suction embedded plate anchors in clay." Curtin University of Technology, Dept. of Civil Engineering, 2008. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=18648.
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In recent years oil and gas mining has moved into increasingly deeper water in search of undeveloped fields. As water depths approach and exceed 3000 m conventional offshore foundation systems become inefficient and ineffective in stabilising platforms and floating production storage units. The trend of supporting structure design in deep water has been to install catenary and taut leg mooring systems. Consequently, many types of anchoring systems are being developed and used in order to withstand large mooring forces. The SEPLA (Suction Embedded Plate Anchor) is ideal for use in this situation. This project has employed advanced numerical techniques and centrifuge testing to study pullout behaviour of plate anchor foundations in different soil profiles and suction caisson installation effect with the aim of generating a robust framework for design. The behaviour of strip and circular plate anchors during vertical pullout in uniform and normally consolidated clays has been studied by means of small strain and large deformation finite element analyses. Both fully bonded (attached), and ‘vented’ (no suction on rear face), anchors have been considered. The current numerical results were compared with existing laboratory test data, finite element results and analytical solutions. This study showed that the ultimate pullout capacity factors (Nc) for deep embedment were 11.6 and 11.7 for smooth and rough strip anchors and 13.1 and 13.7 for smooth and rough circular anchors respectively. When the anchor base was vented, the soil stayed attached to the anchor base for deep embedment, and the pullout capacity was therefore the same as for the attached anchor. The separation depth ratio, Hs/B or Hs/D was found to increase linearly with the normalised strength ratio, su/γ'B or su/γ'D.<br>Numerical simulation has been conducted to assess the bearing capacity for inclined pullout plate anchors. This bearing capacity analysis was performed by embedding the anchors in clay with different initial inclinations and different embedment ratios. Both the attached anchor base and vented base were evaluated. The results showed that the bearing capacities of the inclined plate anchors were associated with the inclination angles and base conditions. The separation depth of the plate anchors can be assessed by a simple equation from vertically pulled out plate anchors. Large deformation finite element analyses of plate anchor keying in clay has been performed. The effects of anchor thickness, anchor padeye eccentricity, anchor-soil interface roughness, soil shear strength, anchor submerged weight and soil disturbance have been studied with anchors in uniform or normally consolidated clays. The numerical results were compared with transparent soil test and existing centrifuge test data. The study showed that the RITSS method works well in simulating the anchor keying process. Anchor padeye eccentricity played an important role in anchor keying. A normalised anchor geometry ratio was used to estimate the loss in embedment during plate anchor’s keying. Both finite element analysis and centrifuge tests have been conducted to study the suction caisson installation effect. In finite element analysis, the soil disturbed zone varied from 3 times the caisson wall thickness to a full area inside a caisson.<br>Centrifuge tests of suction embedded plate anchors were conducted in normally consolidated kaolin clay and transparent uniform soil. It can be concluded that the reduction in anchor capacity due to soil disturbance after suction caisson installation depends on re-consolidation time and soil sensitivity. The soil disturbance also reduced the loss of embedment during the anchor keying process.
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Blahušová, Anežka. "Analýza trhu mobilních vzdělávacích aplikací zaměřených na děti předškolního věku." Master's thesis, Vysoká škola ekonomická v Praze, 2015. http://www.nusl.cz/ntk/nusl-205702.
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The thesis is devoted to the topic of mobile applications focusing on educational applications for preschoolers. The introductory part deals with the theory of application ecosystem, purchase decision-making process, and marketing of mobile applications. The following chapters are focused on primary and secondary research. The aim of thesis is to analyze the situation on mobile application market worldwide and in the Czech Republic with a focus on educational applications for children. More importantly, it intends to reveal parent's attitudes toward downloading applications for their children up to age six. The conclusion is a summary of acquired knowledge and the proposal of possible measures resulting from the research.
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Hai, Xiaodong. "Marché et tarification des plateformes de vente d'applications mobiles comme marchés bifaces : analyse comparée France-Chine." Thesis, Paris, ENST, 2014. http://www.theses.fr/2014ENST0001/document.
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Application mobile devient un canal important de l'accès internet mobile. Trois groupes d'utilisateurs finaux affiliés avec deux plates-formes bifaces sur le marché d'applications mobiles ont attiré une attention considérable. App store (App-store) est une plate-forme de distribution de l'application connectée avec les développeurs et les utilisateurs. Plateforme de publicitaire (Ad-store) fournit des services de publicité pour les annonceurs grâce à des applications de développeurs. Sur ce marché, les développeurs, les annonceurs et les utilisateurs sont trois groupes d'utilisateurs finaux. Le marché de l'application mobile est un marché biface compliqué. Il y a des externalités de réseau étendues et interactives. L’étude se concentre sur les stratégies de tarification pour la plate-forme App-store. L'App-store et Ad-store sont les deux plates-formes bifaces. L’App-store partage les revenus des ventes d'applications avec les développeurs. L'Ad-store partage les revenus publicitaires avec les développeurs. La plate-forme App-store met en oeuvre la tarification asymétrique côté développeur et côté utilisateur. Côté développeur est le côté de la subvention ainsi que du côté des recettes pour la plateforme App-store. Le cout d'achat de l'appareil mobile est une déterminante particulière de tarification. Les redevances d'adhésion sont négligeables dans ce marché et les redevances d'utilisation sont réalisables. C'est un duopole sur le marché des applications mobiles. Le modèle des ventes d'appareils mobiles d'Apple et le modèle d'in-app publicité de Google sont extrêmement réussis. App-store, Ad-store et les appareils mobiles sont les trois points de génération de profits<br>Mobile app is becoming an important mobile internet access channel. Three groups of end users affiliated with two Two-sided platforms in the mobile app market have attracted considerable attention. App store platform (App-store) is an app distribution platform connected with developers and users. App ad platform (Ad-store) supplies advertising services for advertisers through developers’ apps. Developers, users and advertisers are end users. Mobile app market is a complicated two-sided market. There are widespread and interactive network externalities. The study focuses on the pricing strategies for the app store platform. App-store shares paid app sales and in-app purchase revenues with developers. Ad-store shares in-app advertising revenues with developers. The App-store platform implements asymmetric pricing to developer side and user side. Developer side is the subsidy side as well as the revenue side for App-store platform. Mobile device purchasing cost constitutes a particular App-store platform pricing determinant. Membership fees are negligible in the mobile app market. Usage fee is workable. It is a duopoly in the mobile app market. Apple and Google are the two giants with distinct business models. Both Apple’s mobile device sales model and Google’s in-app advertising model are extremely successful. App-store, Ad-store and mobile devices are the three key profit makers in this market. Vertical integration inside this ecosystem will generate considerable revenues. Chinese users have higher price elasticity of demand and they are particularly sensitive to the app prices when compared with the French
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Hallberg, Fredrika, Jacob Palm, and Waliullah Shan Mrridol. ""En av de stora drakarna" : En netnografisk studie om kundlojalitet hos researrangörer på Facebook." Thesis, Södertörns högskola, Turismvetenskap, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-41560.
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Syftet med studien är att undersöka följares attityder mot Ving, TUI och Apollos inlägg på Facebook och hur de tolkas utifrån kundlojalitet och e-lojalitet. Det undersöks även hur researrangörer uttrycker lojalitet via deras facebooksida. Kundlojalitet baseras på Olivers (1999) teori och e-lojalitet baseras på “8C’s” som har tagits fram av Srinivasan, Anderson & Ponnavolu (2002). Studien grundar sig i en netnografisk analys för att få en översikt och grundläggande kunskaper om researrangörernas kommunikation på Facebook. Analysen visar att de inlägg som publiceras har skillnader och likheter när det gäller den typ av lojalitet som researrangörerna uttrycker. TUI och Apollo fokuserar mest på konativ lojalitet till skillnad från Ving som fokuserar på affektiv lojalitet. Studien baseras även på semistrukturerade intervjuer vilket anses lämpligt för att få djupare förståelse. Teorierna tillämpas genom en mängd frågor som ställs till respondenterna under intervjuerna. Det framkommer att följarnas attityder gentemot Apollo verkar annorlunda till skillnad från attityderna mot Ving och TUI. När det gäller e-lojalitet verkar Ving och TUI uppfylla flera av de "8C" baserat på följarnas attityder. Apollo har inte visat sig lika starka på den fronten. Denna studie visar liknande resultat som tidigare forskning men de överensstämmer inte helt i alla aspekter.<br>The purpose of this study is to examine the follower's attitudes towards Ving, TUI and Apollos posts on Facebook and how they are interpreted based on the customer loyalty and e-loyalty. It also examines how the tour operators express loyalty through their facebookpage. The customer loyalty are based on Oliver’s (1999) theory and e-loyalty is based on the “8C’s” that have been developed by Srinivasan, Anderson & Ponnavolu (2002). The study is based on a netnographic analysis to get an overview and basic knowledge of the tour operators communication on Facebook. The analysis shows that the posts have differences and similarities in terms of loyalty to the tour operators’ words. TUI and Apollo mostly focus on the conative loyalty, unlike Ving where the focus is on affective loyalty. The study is also based on semistructured interviews which is appropriate in order to gain a deeper understanding. The theories are applied through a variety of questions that have been asked to the respondents during their interviews. It appears that customers' attitudes towards Apollo appear to be different from the attitudes towards Ving and TUI. About e-loyalty, Ving and TUI seem to fulfill several of the "8C’s" based on the customers attitudes. Apollo has not proved that they are as strong as the other two. This study shows a similar result as the previous studies but they don't fully agree in all aspects.
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Carmen, Betancourt José Elizer, Andía Nils Emerson Figueroa, Cárdenas Ricardo Luque, Palomino Jameson Anthony Peraltilla, and Vega Javier Rodríguez. "Plan de negocios para la implementación de una tienda virtual de obsequios personalizados en el Perú." Master's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2021. http://hdl.handle.net/10757/657019.
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El comercio de bienes y servicios se viene posicionando en Perú mediante el desarrollo de plataformas digitales, situación acentuada desde marzo de 2020 por el impacto de la pandemia de la COVID-19.
La creciente posesión de dispositivos electrónicos (teléfonos móviles, tabletas, computadoras personales) por usuarios de diversos niveles socioeconómicos (A, B y C, principalmente) y segmentos etarios, ha contribuido, entre otros, a la mayor compra de bienes y servicios por canales digitales.
Uno de estos bienes son los obsequios o regalos personalizados —materia del presente trabajo de investigación— que vienen siendo demandados por un público amplio del Perú, por las características singulares de los mismos, y son elaborados mediante técnicas de sublimación de imágenes y textos. Se busca evocar una emoción o un recuerdo que haga muy especial esta atención.
El proyecto empresarial SubliGifts, que es la marca del negocio proyectado, procura facilitar al cliente todo el proceso de elección del arte y la entrega física del regalo para posicionarse en el mercado de regalos personalizados mediante un esmerado servicio de atención al cliente, alta calidad de los productos y con talento humano adiestrado y experimentado en diseño gráfico y comercialización.<br>Trade in goods and services have been positioning itself in Peru through the development of digital platforms, a situation that has been accentuated since March 2020 by the impact of the COVID-19 pandemic.
The growing possession of electronic devices (mobile phones, tablets, personal computers) by users of several socioeconomic levels (A, B, C, mainly) and age segments have contributed among others to the greater purchase of goods and services through digital channels.
One of these goods are gifts or personalized gifts —the subject of this research work—. This has been demanded by a wide public in Peru due to their unique characteristics and these are made by means of image and text sublimation techniques. It seeks to call an emotion or a memory that makes this attention very special.
The SubliGifts business Project which is the brand of the projected business seeks to facilitate the customer the entire process of choosing the art and the physical delivery of the gift, position itself in the personalized gifts market through careful customer service, high quality of products and human talent trained and experienced in graphic design and marketing.<br>Trabajo de investigación
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Grajales, Francis, and 葛凡習. "Online platform for storage in taiwan." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/tc7gy5.
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碩士<br>國立政治大學<br>國際經營管理英語碩士學位學程(IMBA)<br>106<br>2Store is an online platform for Storage in Taipei, our business model is based in peer to peer network, we will be connecting people who need a space to storage their belongings (Renters) and people with empty space in their house and willing to gain an extra revenue renting their space for storage (Hosts), 2Store will aggregate independent service providers. In fact, one of the key characteristics of 2Store is that Hosts and Renters can set the characteristics of the service that they want. For example, size, location, conditions of the place, security, insurance etc. therefore users of the service can adjust the service according to their requirements.
2Store online platform will charge host and renters a commission fee as a broker, therefore 2Store doesn’t require to invest in real estate or warehouses, our operating cost are relatively low compared with the competitors in the storage business, this convert 2Store in an attractive and innovative business model.
Taipei have more than six companies involved in the storage business with about 12 warehouses and 44,000 mini warehouses. We also have analyzed the more than 2,7 million of persons in Taipei as our target market and the attraction of Taiwanese for new technologies and similar business models like Airbnb and Uber makes us believe that we have an opportunity of start operations in Taipei.
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Wang, Chih-Yuan, and 王治元. "The Future for Information-Storage Platform of Electronic Anamnesis." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/40329614108767220503.
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碩士<br>國立臺灣大學<br>高階公共管理組<br>95<br>Anamnesis (medical record) is an important document for recording disease progression for certain patient and diagnostic procedure for medical practitioners. Therefore, anamnesis is also meaningful for medical students in education, because anamnesis recorded therapeutic strategies or pathways used by experienced medical staffs. Meanwhile, medical record could be the certification, and may play a pivotal role in medical legal issues. The correct recording from anamnesis would be a useful tool in protecting not only excellent medical practitioners but human right of patients. Conventional medical anamnesis was recorded in papers, and such documents could be emphasized their value in humanism and art. However, the difficult issue for preserving such precious documents was still unresolved. In Taiwan, the medical anamnesis was regulated to be destroyed by burning after preserving for seven years. Thereafter, the medical record will be lost forever. In 21th century, electronic anamnesis could be expected a newer preserving pathway for medical record in various forms, including literalness and images. Information-storing platform for anamnesis should be considered to be the media between different clinics or hospitals. Such platforms could be expected to be more convenient for medical practitioners to obtain immediate information of certain patients, and such platform will decrease the information imbalance between physicians and patients. In our research, we reviewed the development of electronic anamnesis in departed decades, and we hope to establish the concept of electronic anamnesis in localized or even in multinational medical systems for establishing individual medical records via specification in such information-storing platforms.
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Chang, Ru-Sian, and 張如賢. "Platform Implementation of Secure and Robust Personal Cloud Storage." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/82370279626413249705.
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碩士<br>國立高雄應用科技大學<br>電子工程系碩士班<br>103<br>Recently, applications of cloud storage grow rapidly and exist everywhere. Automatic data storage and synchronization become convenient and efficient. It thus leads to the problems of security, rescue and privacy in the cloud storage systems. This thesis presented and developed the mobile platform and architecture for reliable and secure data storage in the cloud systems. The proposed method for data privacy is to break the original data into several fragments, which are stored in different commercial clouds. Data reliability is achieved by utilizing the RAID (Redundant Array of Independent Disks) algorithm to protect the data from damage. In addition, the developed platform also provides an efficient strategy to select the clouds for rapid data recovery, which is based on the network delays of clouds and transmission type. Finally, the presented architecture was implemented in the Android system by utilizing both JNI (Java Native Interface) and NDK (Native Development Kit) to enhance the performance of the RAID algorithms.
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Huang, Yen Shou, and 黃彥碩. "A M2M-based Platform for Machine Tool Monitoring and Cloud Data Storage." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/54uvn3.
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碩士<br>國立中正大學<br>通訊工程研究所<br>102<br>Newly developed techniques for intelligent sensor systems make it possible to register the mechanical wear-out of parts, such as band saws, ball screws and gearbox reducers, by collecting working signals from them, such as vibrations and preload pressure and temperature changes. To build an accurate wear model, we need to log as many real signals as possible from numerous parts in machine tools. This raises a substantial problem: How can we collect a large number of real signals from the parts installed in many machine tools—which could be located anywhere in the world—and aggregate data to use in constructing a wearing model, as well as enabling remote systems analysis and send warnings if the parts are worn? In this study, based on our previous work, we design a M2M system to realize a cloud-based service that logs mechanical wear-out of parts. The proposed system is characterized by using a mobile network, such as GPRS /3G, to upload collected data without the need to pre-deploy conventional network equipment in factories； and taking advantages of off-the-shelf cloud platform services (Google Apps Engine, GAE) rather than maintaining a private database for logging the data, which reduces labor and equipment costs for the database. We design and implement this system and install it in a factory to evaluate it. The proposed system can be used to collect operating signals regarding mechanical wear-out of parts and can allow manufacturers to track state of wear and send warnings to tool owners before wear-out.
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Huang, Shih Kai, and 黃世凱. "A Diffusion MRI Data Platform with Cloud Storage and Cloud Computing Service." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/576ghj.
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LIN, XIN-FU, and 林信甫. "Implementing a Cloud Monitoring System for Electricity Energy Storage Based on ARDUINO Platform." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/h83k6b.
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碩士<br>國立虎尾科技大學<br>電機工程系碩士班<br>107<br>In recent years, the development of renewable energy has been paid considerable attention over all the world. Since 2000, Taiwan has been building a solar-renewable energy-related setting. After the national policy to promote the "Sunshine Roof Million Block" program, Taiwan's powerful support for the development of solar energy systems has been added. It shows that solar renewable energy in Taiwan will be infinitely developed in the future.
The development of cloud-based, digital, and intelligent technologies in recent years has advanced by leaps and bounds, and related products have come out one after another. Especially in the intelligent part, electrical monitoring in homes and public facilities is developed on home computers and mobile devices. Cloudization is the ability to record all information of related electrical equipment using IoT technology in the cloud. This not only enables complete storage of the history and details of the use of electrical appliances, but also through a complete set of real-time monitoring systems for monitoring and maintenance purposes. The Internet of Things has subverted the way of life of human beings, greatly improving the life style of instant, safe and convenient, and delivering professional information to users in the most direct and correct way. It can be seen that clouding all information and manipulating it on mobile devices is an inevitable trend in the future, which is the biggest motivation for urging this research.
This study aims to add an emergency power supply system to the existing power system. In addition, through the cloud and intelligent technology, the information is instantly transmitted to the cloud, so that the user can monitor the status of the standby lithium battery at any time, and then switch the related switches. An emergency backup energy storage device that combines solar renewable energy with utility power is developed. First, the solar maximum power point tracking device is constructed to ensure the utilization of solar energy renewable energy. The lithium battery in the system can be charged via solar or commercial power as an emergency backup electrical energy storage device. In this study, a simple and feasible lithium battery charge and discharge switching strategy is proposed to improve the integrity of the research. A cloud monitoring system that allows users to instantly monitor the status of electrical energy storage devices on their home computers and mobile devices is also built in our research.
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Chen, Yu-Jen, and 陳俞任. "Design and Implementation of Network Attached Storage Servers with the IBM Cell Platform." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/35722637970201143374.
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碩士<br>國立臺灣大學<br>資訊工程學研究所<br>97<br>Network Attached Storage (NAS) servers are popular nowadays for sharing storage over the network. In recent years, NAS manufacturers took advantage of the System-on-Chip (SoC) technologies to reduce the cost of NAS servers and integrated many value-add features to attract customers. Value-add features such as peer-to-peer (P2P) applications, photo viewers, media players, and surveillance applications are offered by an entry-level NAS product on the market today. Overall, cost/performance ratios, administrative convenience, value-add features, and data security are the factors that influence the design and the user experience on NAS servers.
The Sony PlayStation 3 (PS3) is a home multimedia and game console with a powerful IBM Cell processor and a Blu-ray Disc reader, in a compact package which costs about the same as an entry-level NAS server. With a much faster processor, the PS3 outperforms the similarily priced Synology DS-207+ in many applications, but misses a NAS functionality.
In this thesis, we present the design and implementation of a NAS server with the PS3. In addition to the common features seen on NAS servers, we utilized the Synergistic Processing Elements (SPE) in the IBM Cell processor to accelerate compute-intensive applications. Our work successfully integrated NAS services and accelerated features on the PS3, and our results show that the PS3 offers higher cost/performance for surveillance and multimedia than similarly priced NAS servers. For accelerating of face detection with using 0 SPE as the baseline, we get at most 9.52 speedup.
KEYWORDS: NAS, PlayStation 3, IBM Cell processor, P2P, surveillance.
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CHEN, YUAN-SHENG, and 陳元聖. "Building a variety of data analysis/storage software services on a cloud computing platform." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/ev7pva.
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Cao, Qian. "SCMFS Performance Enhancement and Implementation on Mobile Platform." Thesis, 2012. http://hdl.handle.net/1969.1/ETD-TAMU-2012-08-11761.
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This thesis presents a method for enhancing performance of Storage Class Memory File System (SCMFS) and an implementation of SCMFS on Android platform. It focuses on analyzing performance influencing factors of memory file systems and the differences in implementation of SCMFS on Android and Linux kernels.
SCMFS allocates memory pages as file blocks and employs virtual memory addresses as file block addresses. SCMFS utilizes processor's memory management unit and TLB (Translation Lookaside Buffer) during file accesses. TLB is an expensive resource and has a limited number of entries to cache virtual to physical address translations. TLB miss results in expensive page walks through memory page table. Thus TLB misses play an important role in determining SCMFS performance. In this thesis, SCMFS is designed to support both 4KB and 2MB page sizes in order to reduce TLB misses and to avoid significant internal fragmentation. By comparing SCMFS with YAFFS2 and EXT4 using popular benchmarks, both advantages and disadvantages of SCMFS huge-page version and small-page version are revealed. In the second part of this thesis, an implementation of SCMFS on Android platform is presented. At the time of working on this research project, Android kernel was not merged into Linux kernel yet. Two main changes of SCMFS kernel code: memory zoning and inode functions, are made to be compatible with Android kernel. AndroSH, a file system benchmark for SCMFS on Android, is developed based on shell script. Evaluations are made from three perspectives to compare SCMFS with YAFFS2 and EXT4: I/O throughput, user data access latency, and application execution latency. SCMFS shows a performance advantage because of its small instruction footprint and its pre-allocation mechanism. However, the singly linked list used by SCMFS to store subdirectories is less efficient than HTree index used by EXT4. The future work can improve lookup efficiency of SCMFS.
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Hau-Lin, Ja, and 林家豪. "The Design and Implementation of a Portable Network Storage Device Platform Combined with Virtualization Technology." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/54461332820540250533.
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碩士<br>臺北市立教育大學<br>數學資訊教育學系數學資訊教育教學碩士學位班<br>98<br>Abstract
Within the network environment of elementary schools, in Taipei city, system managers often need to set up many physical machines to provide different services.
The complexity of system management increases at the time passes by. Therefore, this research tries to design and implement a portable network storage device platform which can provide a cheap and easy to manage virtual environment for system managers.
The portable network storage device platform is modified from Linux-based Openfiler system. By loading USB bootable library and using VMware ESXi, our platform can provide a portable storage environment for teachers to share teaching resources. Besides, our platform is implemented in an elementary school in Taipei city and reduces the number of physical servers from ten to two.
System manager can monitor ten servers from single control interface and control storage resources via browser. In this manner, our platform can reduce management complexity and fully utilize the hardware resources in elementary school.
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Hsieh, Yueh Lin, and 謝岳霖. "The Implementation of Cloud Storage System for LCD Flicker based on Hadoop and HBase Platform." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/66410558731777387778.
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碩士<br>東海大學<br>資訊工程學系<br>103<br>In this thesis, a LCD Flicker cloud storage system is proposed. This data storage system is based on Hadoop and Hbase architecture, which factory could upload measurement and test results of LCD flicker into HBase, then generate online and real-time feedback for engineers to control those variations. The purpose of LCD Flicker cloud storage system is to overcome the disadvantages of currently used system, which has no capability to save data collected from production lines. Because that measured data are only store locally within testing equipment and unable to report to the engineer, when errors occurred, it is impossible for system to analyze and observe the trend of variations. Therefore, LCD Flicker cloud storage system has a critical role in order to monitor measured data online and real-time. This system is build by private cloud architecture, mainly used between the factory and the factory data sharing, and use the LCD Flicker data to perform failure rate analysis. In this thesis, the experiments are conducted by using virtualization platform with Hadoop and HBase. We performe flicker data transferring and accessing, and analyizing the performance, also enhance the overall product quality and performance.
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Oliveira, Catarina Sofia Sousa. "Development of a Platform for Storage, Simulation and Remote and Virtual Experimentation of Physiological Processes." Master's thesis, 2016. http://hdl.handle.net/10316/32630.
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