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Tesis sobre el tema "Transaction systems (Computer systems)"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 27 de julio de 2024

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1

Yoo, Richard M. "Adaptive transaction scheduling for transactional memory systems." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/22587.

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Thesis (M. S.)--Electrical and Computer Engineering, Georgia Institute of Technology, 2008.<br>Committee Chair: Lee, Hsien-Hsin; Committee Member: Blough, Douglas; Committee Member: Yalamanchili, Sudhakar.

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2

Prabhu, Nitin Kumar Vijay. "Transaction processing in Mobile Database System." Diss., UMK access, 2006.

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Thesis (Ph. D.)--School of Computing and Engineering. University of Missouri--Kansas City, 2006.<br>"A dissertation in computer science and informatics and telecommunications and computer networking." Advisor: Vijay Kumar. Typescript. Vita. Title from "catalog record" of the print edition Description based on contents viewed Nov. 9, 2007. Includes bibliographical references (leaves 152-157). Online version of the print edition.

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3

Chen, Jianwen, University of Western Sydney, of Science Technology and Environment College, and School of Computing and Information Technology. "Data and knowledge transaction in mobile environments." THESIS_CSTE_CIT_Chen_J.xml, 2004. http://handle.uws.edu.au:8081/1959.7/806.

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Advances in wireless networking technology have engendered a new paradigm of computing, called mobile computing; in which users carrying portable devices have access to a shared infrastructure independent of their physical location. Mobile computing has matured rapidly as a field of computer science. In environments of mobile computing, the mobility and disconnection of portable computing devices introduce many new challenging problems that have never been encountered in conventional computer networks. New research issues combine different areas of computer science: networking, operating syste

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4

Xia, Yu S. M. Massachusetts Institute of Technology. "Logical timestamps in distributed transaction processing systems." Thesis, Massachusetts Institute of Technology, 2018. https://hdl.handle.net/1721.1/122877.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2018<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 73-79).<br>Distributed transactions are such transactions with remote data access. They usually suffer from high network latency (compared to the internal overhead) during data operations on remote data servers, and therefore lengthen the entire transaction executiont time. This increases the probability of conflicting with other transactions, causing high abort rates. This, in turn, causes po

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5

Tang, Rong. "Transaction management in peer-to-peer multidatabase systems." Thesis, University of Ottawa (Canada), 2005. http://hdl.handle.net/10393/27055.

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Peer-to-peer multidatabase systems (P2P MDBSs) are dynamic networks of peers with total absence of any global schema, any central administrative authority, any data integration, any global access to multiple databases, permanent participation of databases, etc. Global and local transactions are supported in P2P MDBSs. A global transaction generates descendent transactions when it is propagated to other peers over acquaintances in a P2P MDBS. Descendent transactions are translations of the original global transaction based on mappings between attributes in two acquainted peers. We present a ser

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6

Gao, Shen. "Transaction logging and recovery on phase-change memory." HKBU Institutional Repository, 2013. http://repository.hkbu.edu.hk/etd_ra/1549.

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7

Chen, Jianwen. "Data and knowledge transaction in mobile environments." Thesis, View thesis, 2004. http://handle.uws.edu.au:8081/1959.7/806.

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Advances in wireless networking technology have engendered a new paradigm of computing, called mobile computing; in which users carrying portable devices have access to a shared infrastructure independent of their physical location. Mobile computing has matured rapidly as a field of computer science. In environments of mobile computing, the mobility and disconnection of portable computing devices introduce many new challenging problems that have never been encountered in conventional computer networks. New research issues combine different areas of computer science: networking, operating syste

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8

Sleat, Philip M. "A static, transaction based design methodology for hard real-time systems." Thesis, City, University of London, 1991. http://openaccess.city.ac.uk/17414/.

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This thesis is concerned with the design and implementation stages of the development lifecycle of a class of systems known as hard real-time systems. Many of the existing methodologies are appropriate for meeting the functional requirements of this class of systems. However, it is proposed that these methodologies are not entirely appropriate for meeting the non-functional requirement of deadlines for work within these real-time systems. After discussing the concept of real-time systems and their characteristic requirements, this thesis proposes the use of a general transaction model of execu

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9

Dwyer, Barry. "Automatic design of batch processing systems." Title page, abstract, table of contents and introduction only, 1999. http://web4.library.adelaide.edu.au/theses/09PH/09phd993.pdf.

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10

Gin, Andrew. "Building a Secure Short Duration Transaction Network." Thesis, University of Canterbury. Computer Science and Software Engineering, 2007. http://hdl.handle.net/10092/1188.

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The objective of this project was to design and test a secure IP-based architecture suitable for short duration transactions. This included the development of a prototype test-bed in which various operating scenarios (such as cryptographic options, various IP-based architectures and fault tolerance) were demonstrated. A solution based on SIP secured with TLS was tested on two IP based architectures. Total time, CPU time and heap usage was measured for each architecture and encryption scheme to examine the viability of such a solution. The results showed that the proposed solution stack was abl

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11

Momin, Kaleem A. "A transaction execution model for mobile computing environments." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0017/MQ54939.pdf.

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12

Bushager, Aisha Fouad. "Smart card systems : managing risks and modelling security protocols using SystemC and Transaction Level Modelling." Thesis, University of Southampton, 2011. https://eprints.soton.ac.uk/300444/.

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Smart cards are examples of advanced chip technology. They allow information transfer between the card holder and the system over secure networks, but they contain sensitive data related to both the card holder and the system, that has to be kept private and confidential. The aim of the research is to conduct a risk management programme on the smart cards systems that are employed in e-business systems, suggest the best safeguards to be applied to better secure the smart card systems depending on the services and applications the smart card serves, and produce a simulation tool using a high le

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13

Chen, Jianwen. "Data and knowledge transaction in mobile environments." View thesis, 2004. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20050729.131812/index.html.

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Thesis (Ph.D.) -- University of Western Sydney, 2004.<br>A thesis submitted in fulfillment of the requirements for the degree of Doctor of Philosophy (Science) - Computing and Information Technology. Includes bibliography.

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14

Madiraju, Sugandhi. "An Agent Based Transaction Manager for Multidatabase Systems." Digital Archive @ GSU, 2006. http://digitalarchive.gsu.edu/cs_theses/36.

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A multidatabase system (MDBMS) is a facility that allows users to access data located in multiple autonomous database management systems (DBMSs) at different sites. To ensure global atomicity for multidatabase transactions, a reliable global atomic commitment protocol is a possible solution. In this protocol a centralized transaction manager (TM) receives global transactions, submits subtransactions to the appropriate sites via AGENTS. An AGENT is a component of MDBS that runs on each site; AGENTS after receiving subtransactions from the transaction manager perform the transaction and send the

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15

Chan, Yew Meng. "Processing mobile read-only transactions in broadcast environments with group consistency /." access full-text access abstract and table of contents, 2005. http://libweb.cityu.edu.hk/cgi-bin/ezdb/thesis.pl?mphil-cs-b19887504a.pdf.

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Thesis (M.Phil.)--City University of Hong Kong, 2005.<br>"Submitted to Department of Computer Science in partial fulfillment of the requirements for the degree of Master of Philosophy" Includes bibliographical references (leaves 98-102)

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16

Chan, Kinson, and 陳傑信. "Distributed software transactional memory with clock validation on clusters." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hub.hku.hk/bib/B5053404X.

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Within a decade, multicore processors emerged and revolutionised the world of computing. Nowadays, even a low-end computer comes with a multi-core processor and is capable running multiple threads simultaneously. It becomes impossible to make the best computation power out from a computer with a single-threaded program. Meanwhile, writing multi-threaded software is daunting to a lot of programmers as the threads share data and involve complicated synchronisation techniques such as locks and conditions. Software transactional memory is a promising alternative model that programmers simply need

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17

King, Stuart. "Optimizations and applications of Trie-Tree based frequent pattern mining." Diss., Connect to online resource - MSU authorized users, 2006.

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Thesis (M. S.)--Michigan State University. Dept. of Computer Science and Engineering, 2006.<br>Title from PDF t.p. (viewed on June 19, 2009) Includes bibliographical references (p. 79-80). Also issued in print.

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18

Mena, Eduardo Illarramendi Arantza. "Ontology-based query processing for global information systems /." Boston [u.a.] : Kluwer Acad. Publ, 2001. http://www.loc.gov/catdir/enhancements/fy0813/2001029621-d.html.

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19

Xing, Xuemin. "Ad-hoc recovery in workflow systems : formal model and a prototype system /." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0035/MQ62442.pdf.

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20

Wang, Mingzhong. "ARTS : agent-oriented robust transactional system /." Connect to thesis, 2009. http://repository.unimelb.edu.au/10187/6778.

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Internet computing enables the construction of large-scale and complex applications by aggregating and sharing computational, data and other resources across institutional boundaries. The agent model can address the ever-increasing challenges of scalability and complexity, driven by the prevalence of Internet computing, by its intrinsic properties of autonomy and reactivity, which support the flexible management of application execution in distributed, open, and dynamic environments. However, the non-deterministic behaviour of autonomous agents leads to a lack of control, which complicates exc

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21

Naik, Aniket Dilip. "Efficient Conditional Synchronization for Transactional Memory Based System." Thesis, Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/10517.

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Multi-threaded applications are needed to realize the full potential of new chip-multi-threaded machines. Such applications are very difficult to program and orchestrate correctly, and transactional memory has been proposed as a way of alleviating some of the programming difficulties. However, transactional memory can directly be applied only to critical sections, while conditional synchronization remains difficult to implement correctly and efficiently. This dissertation describes EasySync, a simple and inexpensive extension to transactional memory that allows arbitrary conditional synchroniz

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22

Reid, Elizabeth G. "Design and evaluation of a benchmark for main memory transaction processing systems." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/53162.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2009.<br>Includes bibliographical references (p. 63).<br>We designed a diverse collection of benchmarks for Main Memory Database Systems (MMDBs) to validate and compare entries in a programming contest. Each entrant to the contest programmed an indexing system optimized for multicore multithread execution. The contest framework provided an API for the contestants, and benchmarked their submissions. This thesis describes the test goals, the API, and the test environment. It documents t

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23

Zhu, Huang. "A transaction model for environmental resource dependent Cyber-Physical Systems." Diss., Kansas State University, 2014. http://hdl.handle.net/2097/18122.

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Doctor of Philosophy<br>Department of Computing and Information Sciences<br>Gurdip Singh<br>Cyber-Physical Systems (CPSs) represent the next-generation systems characterized by strong coupling of computing, sensing, communication, and control technologies. They have the potential to transform our world with more intelligent and efficient systems, such as Smart Home, Intelligent Transportation System, Energy-Aware Building, Smart Power Grid, and Surgical Robot. A CPS is composed of a computational and a physical subsystem. The computational subsystem monitors, coordinates and controls operation

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24

Chan, Kinson, and 陳傑信. "An adaptive software transactional memory support for multi-core programming." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B43278759.

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25

Chan, Kinson. "An adaptive software transactional memory support for multi-core programming." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43278759.

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26

Avdic, Adnan, and Albin Ekholm. "Anomaly Detection in an e-Transaction System using Data Driven Machine Learning Models : An unsupervised learning approach in time-series data." Thesis, Blekinge Tekniska Högskola, Institutionen för datavetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-18421.

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Background: Detecting anomalies in time-series data is a task that can be done with the help of data driven machine learning models. This thesis will investigate if, and how well, different machine learning models, with an unsupervised approach,can detect anomalies in the e-Transaction system Ericsson Wallet Platform. The anomalies in our domain context is delays on the system. Objectives: The objectives of this thesis work is to compare four different machine learning models ,in order to find the most relevant model. The best performing models are decided by the evaluation metric F1-score. An

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27

Pang, Gene. "Scalable Transactions for Scalable Distributed Database Systems." Thesis, University of California, Berkeley, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3733329.

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<p> With the advent of the Internet and Internet-connected devices, modern applications can experience very rapid growth of users from all parts of the world. A growing user base leads to greater usage and large data sizes, so scalable database systems capable of handling the great demands are critical for applications. With the emergence of cloud computing, a major movement in the industry, modern applications depend on distributed data stores for their scalable data management solutions. Many large-scale applications utilize NoSQL systems, such as distributed key-value stores, for their scal

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28

Flodin, Anton. "Leerec : A scalable product recommendation engine suitable for transaction data." Thesis, Mittuniversitetet, Avdelningen för informationssystem och -teknologi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-33941.

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We are currently living in the Internet of Things (IoT) era, which involves devices that are connected to Internet and are communicating with each other. Each year, the number of devices increases rapidly, which result in rapid growth of data that is generated. This large amount of data is sometimes titled as Big Data, which is generated from different sources, such as log data of user behavior. These log files can be collected and analyzed in different ways, such as creating product recommendations. Product recommendations have been around since the late 90s, when the amount of data collected

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29

Brodin, Anette. "Applying DB-transaction semantics to agent interactions." Thesis, University of Skövde, Department of Computer Science, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-724.

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<p>Both artificial intelligence (AI) and database (DB) communities have advantages in incorporating features from each other's areas. From a DB view, handling of complexity in today's information systems can be aided by incorporating AI features, and database environments could gain in flexibility by entrusting some of their functionality to agent systems. Contemplated from the AI view, agent systems could gain in robustness by being based on DB-systems.</p><p>By applying the semantics of database-transaction to interactions between agents in a multiagent-system, and analysing the consequences

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30

Helal, Mohammad Rahat. "Efficient Isolation Enabled Role-Based Access Control for Database Systems." University of Toledo / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1501627843916302.

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31

Dixon, Eric Richard. "Developing distributed applications with distributed heterogenous databases." Thesis, Virginia Tech, 1993. http://hdl.handle.net/10919/42748.

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32

Xie, Wanxia. "Supporting Distributed Transaction Processing Over Mobile and Heterogeneous Platforms." Diss., Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/14073.

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Recent advances in pervasive computing and peer-to-peer computing have opened up vast opportunities for developing collaborative applications. To benefit from these emerging technologies, there is a need for investigating techniques and tools that will allow development and deployment of these applications on mobile and heterogeneous platforms. To meet these challenging tasks, we need to address the typical characteristics of mobile peer-to-peer systems such as frequent disconnections, frequent network partitions, and peer heterogeneity. This research focuses on developing the necessary model

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33

Shang, Pengju. "Research in high performance and low power computer systems for data-intensive environment." Doctoral diss., University of Central Florida, 2011. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5033.

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According to the data affinity, DAFA re-organizes data to maximize the parallelism of the affinitive data, and also subjective to the overall load balance. This enables DAFA to realize the maximum number of map tasks with data-locality. Besides the system performance, power consumption is another important concern of current computer systems. In the U.S. alone, the energy used by servers which could be saved comes to 3.17 million tons of carbon dioxide, or 580,678 cars {Kar09}. However, the goals of high performance and low energy consumption are at odds with each other. An ideal power managem

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34

Yan, Cong S. M. Massachusetts Institute of Technology. "Exploiting fine-grain parallelism in transactional database systems." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/101592.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2015.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 47-50).<br>Current database engines designed for conventional multicore systems exploit a fraction of the parallelism available in transactional workloads. Specifically, database engines only exploit inter-transaction parallelism: they use speculation to concurrently execute multiple, potentially-conflicting database transactions while maintaining atomicity and isolation. However, they do not

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35

Goehring, David (David G. ). "Decibel : transactional branched versioning for relational data systems." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/106022.

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Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2016.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 151-159).<br>As scientific endeavors and data analysis become increasingly collaborative, there is a need for data management systems that natively support the versioning or branching of datasets to enable concurrent analysi

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36

Yahalom, Raphael. "Managing the order of transactions in widely-distributed data systems." Thesis, University of Cambridge, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.359877.

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Åberg, Ludvig. "Parallelism within queue application." Thesis, Mittuniversitetet, Avdelningen för informationssystem och -teknologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-31575.

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The aim of this thesis was to modify an existing order queue application which was unable to execute orders in a queue in parallel which in turn could lead to a bad user experience due to the increased queue delay. The thesis proposes two queue structures to allow parallel execution within a queue. One of the two is selected for implemented in the modified order queue application. The implementation was carried out in Java EE and used different types of frameworks such as JPQL. Some parts of the order queue application had to be modified to be able to handle the new queue structure. New attrib

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38

Zhao, Haiquan. "Measurement and resource allocation problems in data streaming systems." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34785.

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In a data streaming system, each component consumes one or several streams of data on the fly and produces one or several streams of data for other components. The entire Internet can be viewed as a giant data streaming system. Other examples include real-time exploratory data mining and high performance transaction processing. In this thesis we study several measurement and resource allocation optimization problems of data streaming systems. Measuring quantities associated with one or several data streams is often challenging because the sheer volume of data makes it impractical to store the

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Wu, Jiang. "CHECKPOINTING AND RECOVERY IN DISTRIBUTED AND DATABASE SYSTEMS." UKnowledge, 2011. http://uknowledge.uky.edu/cs_etds/2.

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A transaction-consistent global checkpoint of a database records a state of the database which reflects the effect of only completed transactions and not the re- sults of any partially executed transactions. This thesis establishes the necessary and sufficient conditions for a checkpoint of a data item (or the checkpoints of a set of data items) to be part of a transaction-consistent global checkpoint of the database. This result would be useful for constructing transaction-consistent global checkpoints incrementally from the checkpoints of each individual data item of a database. By applying

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Rocha, Tarcisio da. "Serviços de transação abertos para ambientes dinamicos." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/276015.

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Orientador: Maria Beatriz Felgar de Toledo<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Computação<br>Made available in DSpace on 2018-08-13T03:59:50Z (GMT). No. of bitstreams: 1 Rocha_Tarcisioda_D.pdf: 1796192 bytes, checksum: 4b25ccccc2fa363f13a02764136f5208 (MD5) Previous issue date: 2008<br>Resumo: Tecnicas de processamento de transações tem sido de grande importancia no que diz respeito a preservação da correção em diversas areas da computação. Devido a funções como, garantir a consistencia de dados, a recuperação de falhas e o controle de concorrencia, transaçõ

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Pant, Shristi. "A SECURE ONLINE PAYMENT SYSTEM." UKnowledge, 2011. http://uknowledge.uky.edu/cs_etds/1.

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An online payment system allows a customer to make a payment to an online merchant or a service provider. Payment gateways, a channel between customers and payment processors, use various security tools to secure a customer’s payment information, usually debit or credit card information, during an online payment. However, the security provided by a payment gateway cannot completely protect a customer’s payment information when a merchant also has the ability to obtain the payment information in some form. Furthermore, not all merchants provide a secure payment environment to their customers an

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Blackshaw, Bruce Philip. "Migration of legacy OLTP architectures to distributed systems." Thesis, Queensland University of Technology, 1997. https://eprints.qut.edu.au/36839/1/36839_Blackshaw_1997.pdf.

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Mincom, a successful Australian software company, markets an enterprise product known as the Mincom Information Management System, or MIMS. MIMS is an integrated suite of modules covering materials, maintenance, financials, and human resources management. MIMS is an on-line transaction processing (OLTP) system, meaning it has special requirements in the areas of pe,jormance and scalability. MIMS consists of approxiniately 16 000 000 lines of code, most of which is written in COBOL. Its basic architecture is 3-tier client/server, utilising a database layer, application logic layer, and a Grap

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Viana, Giovanni Bogéa 1981. "Agentes no gerenciamento de transações moveis." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/276294.

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Orientador: Maria Beatriz Felgar de Toledo<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Computação<br>Made available in DSpace on 2018-08-07T04:30:16Z (GMT). No. of bitstreams: 1 Viana_GiovanniBogea_M.pdf: 694479 bytes, checksum: 8f1fc7bfaffc85403fba40175dcebd16 (MD5) Previous issue date: 2006<br>Resumo: Esta dissertação apresenta um modelo de transações para ambientes de computação móvel que leva em conta o dinamismo e interatividade nesse ambiente. Para lidar com o dinamismo, tanto aplicações como o gerenciador da transação e os objetos participantes de uma t

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Schricker, Marc. "Extract of reasons which could determine the decision to change from an EDI to a XML transaction processing system." Thesis, University of Skövde, School of Humanities and Informatics, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-932.

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<p>EDI as well as XML are the basic communication standards used in B2B e-commerce. With special interest to transaction processing systems. According to the specific attributes EDI and XML provides. There could be some common and merely different features derived. But also there could be the impact of considerations from the business organisation domain with additional issues which determine the use of EDI or XML.</p><p>In this study the particular interest is in the finding of a set of reasons, not only in the single sight of the performance of the two techniques. The study surveys the impac

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Almeida, Fábio Renato de [UNESP]. "Gerenciamento de transação e mecanismo de serialização baseado em Snapshot." Universidade Estadual Paulista (UNESP), 2014. http://hdl.handle.net/11449/122161.

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Made available in DSpace on 2015-04-09T12:28:25Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-02-28Bitstream added on 2015-04-09T12:47:36Z : No. of bitstreams: 1 000811822.pdf: 1282272 bytes, checksum: ffbcb6d3dc96adfefe2d6b8418c1e323 (MD5)<br>Dentre os diversos níveis de isolamento sob os quais uma transação pode executar, Snapshot se destaca pelo fato de lidar com uma visão isolada da base de dados. Uma transação sob o isolamento Snapshot nunca bloqueia e nunca é bloqueada quando solicita uma operação de leitura, permitindo portanto uma maior concorrência quando a mesma é comparad

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Almeida, Fábio Renato de. "Gerenciamento de transação e mecanismo de serialização baseado em Snapshot /." São José do Rio Preto, 2014. http://hdl.handle.net/11449/122161.

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Orientador: Carlos Roberto Valêncio<br>Banca: Elaine Parros Machado de Sousa<br>Banca: Rogéria Cristiane Gratão de Souza<br>Resumo: Dentre os diversos níveis de isolamento sob os quais uma transação pode executar, Snapshot se destaca pelo fato de lidar com uma visão isolada da base de dados. Uma transação sob o isolamento Snapshot nunca bloqueia e nunca é bloqueada quando solicita uma operação de leitura, permitindo portanto uma maior concorrência quando a mesma é comparada a uma execução sob um isolamento baseado em bloqueios. Entretanto, Snapshot não é imune a todos os problemas decorrentes

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47

Hamilton, Howard Gregory. "An Examination of Service Level Agreement Attributes that Influence Cloud Computing Adoption." NSUWorks, 2015. http://nsuworks.nova.edu/gscis_etd/53.

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Cloud computing is perceived as the technological innovation that will transform future investments in information technology. As cloud services become more ubiquitous, public and private enterprises still grapple with concerns about cloud computing. One such concern is about service level agreements (SLAs) and their appropriateness. While the benefits of using cloud services are well defined, the debate about the challenges that may inhibit the seamless adoption of these services still continues. SLAs are seen as an instrument to help foster adoption. However, cloud computing SLAs are alleged

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48

Chandler, Shawn Aaron. "Global Time-Independent Agent-Based Simulation for Transactive Energy System Dispatch and Schedule Forecasting." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2212.

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Electricity service providers (ESP) worldwide have increased their interest in the use of electrical distribution, transmission, generation, storage, and responsive load resources as integrated systems. Referred to commonly as "smart grid," their interest is driven by widespread goals to improve the operations, management and control of large-scale power systems. In this thesis I provide research into a novel agent-based simulation (ABS) approach for exploring smart grid system (SGS) dispatch, schedule forecasting and resource coordination. I model an electrical grid and its assets as an adapt

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Leung, Philip, and Daniel Svensson. "SecuRES: Secure Resource Sharing System : AN INVESTIGATION INTO USE OF PUBLIC LEDGER TECHNOLOGY TO CREATE DECENTRALIZED DIGITAL RESOURCE-SHARING SYSTEMS." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-187348.

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The project aims at solving the problem of non-repudiation, integrity and confidentiality of data when digitally exchanging sensitive resources between parties that need to be able to trust each other without the need for a trusted third party. This is done in the framework of answering to what extent digital resources can be shared securely in a decentralized public ledger-based system compared to trust-based alternatives. A background of existing resource sharing solutions is explored which shows an abundance third party trust-based systems, but also an interest in public ledger solutions in

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Kendric, Hood A. "Improving Cryptocurrency Blockchain Security and Availability Adaptive Security and Partitioning." Kent State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=kent1595038779436782.

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