Дисертації з теми "Database Operators"
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Sjö, Kristoffer. "Semantics and Implementation of Knowledge Operators in Approximate Databases." Thesis, Linköping University, Department of Computer and Information Science, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2438.
Повний текст джерелаIn order that epistemic formulas might be coupled with approximate databases, it is necessary to have a well-defined semantics for the knowledge operator and a method of reducing epistemic formulas to approximate formulas. In this thesis, two possible definitions of a semantics for the knowledge operator are proposed for use together with an approximate relational database:
* One based upon logical entailment (being the dominating notion of knowledge in literature); sound and complete rules for reduction to approximate formulas are explored and found not to be applicable to all formulas.
* One based upon algorithmic computability (in order to be practically feasible); the correspondence to the above operator on the one hand, and to the deductive capability of the agent on the other hand, is explored.
Also, an inductively defined semantics for a"know whether"-operator, is proposed and tested. Finally, an algorithm implementing the above is proposed, carried out using Java, and tested.
Müller, Ingo [Verfasser], and P. [Akademischer Betreuer] Sanders. "Engineering Aggregation Operators for Relational In-Memory Database Systems / Ingo Müller. Betreuer: P. Sanders." Karlsruhe : KIT-Bibliothek, 2016. http://d-nb.info/1106329953/34.
Повний текст джерелаAmenabar, Leire, and Leire Carreras. "Augmented Reality Framework for Supporting and Monitoring Operators during Maintenance Operations in Industrial Environments." Thesis, Högskolan i Skövde, Institutionen för ingenjörsvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-15717.
Повний текст джерелаMcCormick, II Donald W. "Towards A Sufficient Set of Mutation Operators for Structured Query Language (SQL)." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/32526.
Повний текст джерелаMaster of Science
BHIDE, ASHWINI M. "ANALYSIS OF ACCIDENTS AND INJURIES OF CONSTRUCTION EQUIPMENT OPERATORS." University of Cincinnati / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1147378056.
Повний текст джерелаJäkel, Tobias. "Role-based Data Management." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-224416.
Повний текст джерелаGonzaga, André dos Santos. "The Similarity-aware Relational Division Database Operator." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/55/55134/tde-17112017-135006/.
Повний текст джерелаO operador de Divisão (÷) da Álgebra Relacional permite representar de forma simples consultas com o conceito de para todos, e por isso é requerido em diversas aplicações reais. Entretanto, evidencia-se neste trabalho de mestrado que a divisão não atende às necessidades de diversas aplicações atuais, principalmente quando estas analisam dados complexos, como imagens, áudio, textos longos, impressões digitais, entre outros. Analisando o problema verifica-se que a principal limitação é a existência de comparações de valores de atributos intrínsecas à Divisão Relacional, que, por definição, são efetuadas sempre por identidade (=), enquanto objetos complexos devem geralmente ser comparados por similaridade. Hoje, encontram-se na literatura propostas de operadores relacionais com suporte à similaridade de objetos complexos, entretanto, nenhuma trata a Divisão Relacional. Este trabalho de mestrado propõe investigar e estender o operador de Divisão da Álgebra Relacional para melhor adequá-lo às demandas de aplicações atuais, por meio de suporte a comparações de valores de atributos por similaridade. Mostra-se aqui que a Divisão por Similaridade é naturalmente adequada a responder consultas diversas com um conceito de elementos candidatos e exigências descrito na monografia, envolvendo dados complexos de aplicações reais de alto impacto, com potencial por exemplo, para apoiar a agricultura, análises de dados genéticos, buscas em bibliotecas digitais, e até mesmo para controlar a qualidade de produtos manufaturados e a identificação de novos clientes em indústrias. Para validar a proposta, propõe-se estudar as duas primeiras aplicações citadas.
Liknes, Stian. "Database Operations on Multi-Core Processors." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for datateknikk og informasjonsvitenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-22990.
Повний текст джерелаBehzadnia, Peyman. "Dynamic Energy-Aware Database Storage and Operations." Scholar Commons, 2018. http://scholarcommons.usf.edu/etd/7125.
Повний текст джерелаTomé, Diego Gomes. "A near-data select scan operator for database systems." reponame:Repositório Institucional da UFPR, 2017. http://hdl.handle.net/1884/53293.
Повний текст джерелаCoorientador : Marco Antonio Zanata Alves
Dissertação (mestrado) - Universidade Federal do Paraná, Setor de Ciências Exatas, Programa de Pós-Graduação em Informática. Defesa: Curitiba, 21/12/2017
Inclui referências : p. 61-64
Resumo: Um dos grandes gargalos em sistemas de bancos de dados focados em leitura consiste em mover dados em torno da hierarquia de memória para serem processados na CPU. O movimento de dados é penalizado pela diferença de desempenho entre o processador e a memória, que é um problema bem conhecido chamado memory wall. O surgimento de memórias inteligentes, como o novo Hybrid Memory Cube (HMC), permitem mitigar o problema do memory wall executando instruções em chips de lógica integrados a uma pilha de DRAMs. Essas memórias possuem potencial para computação de operações de banco de dados direto em memória além do armazenamento de bancos de dados. O objetivo desta dissertação é justamente a execução do operador algébrico de seleção direto em memória para reduzir o movimento de dados através da memória e da hierarquia de cache. O foco na operação de seleção leva em conta o fato que a leitura de colunas a serem filtradas movem grandes quantidades de dados antes de outras operações como junções (ou seja, otimização push-down). Inicialmente, foi avaliada a execução da operação de seleção usando o HMC como uma DRAM comum. Posteriormente, são apresentadas extensões à arquitetura e ao conjunto de instruções do HMC, chamado HMC-Scan, para executar a operação de seleção próximo aos dados no chip lógico do HMC. Em particular, a extensão HMC-Scan tem o objetivo de resolver internamente as dependências de instruções. Contudo, nós observamos que o HMC-Scan requer muita interação entre a CPU e a memória para avaliar a execução de filtros de consultas. Portanto, numa segunda contribuição, apresentamos a extensão arquitetural HIPE-Scan para diminuir esta interação através da técnica de predicação. A predicação suporta a avaliação de predicados direto em memória sem necessidade de decisões da CPU e transforma dependências de controle em dependências de dados (isto é, execução predicada). Nós implementamos a operação de seleção próximo aos dados nas estratégias de execução de consulta orientada a linha/coluna/vetor para a arquitetura x86 e para nas duas extensões HMC-Scan e HIPE-Scan. Nossas simulações mostram uma melhora de desempenho de até 3.7× para HMC-Scan e 5.6× para HIPE-Scan quando executada a consulta 06 do benchmark TPC-H de 1 GB na estratégia de execução orientada a coluna. Palavras-chave: SGBD em Memória, Cubo de Memória Híbrido, Processamento em Memória.
Abstract: A large burden of processing read-mostly databases consists of moving data around the memory hierarchy rather than processing data in the processor. The data movement is penalized by the performance gap between the processor and the memory, which is the well-known problem called memory wall. The emergence of smart memories, as the new Hybrid Memory Cube (HMC), allows mitigating the memory wall problem by executing instructions in logic chips integrated to a stack of DRAMs. These memories can enable not only in-memory databases but also have potential for in-memory computation of database operations. In this dissertation, we focus on the discussion of near-data query processing to reduce data movement through the memory and cache hierarchy. We focus on the select scan database operator, because the scanning of columns moves large amounts of data prior to other operations like joins (i.e., push-down optimization). Initially, we evaluate the execution of the select scan using the HMC as an ordinary DRAM. Then, we introduce extensions to the HMC Instruction Set Architecture (ISA) to execute our near-data select scan operator inside the HMC, called HMC-Scan. In particular, we extend the HMC ISA with HMC-Scan to internally solve instruction dependencies. To support branch-less evaluation of the select scan and transform control-flow dependencies into data-flow dependencies (i.e., predicated execution) we propose another HMC ISA extension called HIPE-Scan. The HIPE-Scan leads to less iteration between processor and HMC during the execution of query filters that depends on in-memory data. We implemented the near-data select scan in the row/column/vector-wise query engines for x86 and two HMC extensions, HMC-Scan and HIPE-Scan achieving performance improvements of up to 3.7× for HMC-Scan and 5.6× for HIPE-Scan when executing the Query-6 from 1 GB TPC-H database on column-wise. Keywords: In-Memory DBMS, Hybrid Memory Cube, Processing-in-Memory.
Dai, Jing. "Efficient Concurrent Operations in Spatial Databases." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/28987.
Повний текст джерелаPh. D.
Andreev, Maxim. "Operations on text in a database programming language." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0017/MQ55034.pdf.
Повний текст джерелаChiama, Jared Alungo. "Text operations for a relational database programming language." Thesis, McGill University, 1994. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=22726.
Повний текст джерелаWe introduce a text data type, and implement relational algebra operations on the text data type. Our method stores the text data in text files external to the relations, and maintains pointers to the text data within the relations. Our algorithms minimize accesses to the actual text data so as to maintain the efficiency of database operations.
We also implement a text processing mechanism where a text script can be joined to a relation, producing an individualized text script for each tuple in the relation. Our implementation includes queries involving pattern searches within text attribute values.
All operations on text data are relational algebra operations, requiring the text data to be in relations, and returning relations as results.
Filippi, Stephen Charles. "Implementing relational operations in an object-oriented database." Thesis, Monterey, California. Naval Postgraduate School, 1992. http://hdl.handle.net/10945/23699.
Повний текст джерелаValdivia, Martinez Angélica. "Implementing of G.I.S. spatial operations in a database system." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0007/MQ44308.pdf.
Повний текст джерелаValdivia, Martínez Angélica. "Implementing of G.I.S. spatial operations in a database system." Thesis, McGill University, 1998. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=20887.
Повний текст джерелаEffectiveness, rather than high performance, is the central issue in this work. Of the two aspects (spatial and descriptive) of geographical data, we address only the spatial component. A spatial operation manipulates geometric data objects such as points, lines, and polygons. A relational data model for storing graphic data, and the spatial operations to manipulate them, are needed. For this purpose, some data models together with manipulation techniques are analyzed. We designed and implemented computational geometry vector-based algorithms such as measurements, calculations, buffers, and overlays for two-dimensional objects using relational algebra.
We also consider the important issue of interaction with commercial systems. We used other GIS such as ARC/INFO and MapInfo for data entry and display of results. Moreover, we developed C routines to communicate Relix with the GIS.
We document the usage of each operation and the relational algebra routines. We also provide examples which illustrate the operations. We conclude that the relational algebra can be effectively applied to produce spatial operations in a unified system.
Sadeghi, R. "A database query language for operations on historical data." Thesis, University of Abertay Dundee, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378932.
Повний текст джерелаWakelin, Andrew. "A database query language for operations on graphical objects." Thesis, Abertay University, 1988. https://rke.abertay.ac.uk/en/studentTheses/826893af-0377-4ec6-a09a-6a5bd246df28.
Повний текст джерелаMadipally, Sunil veer Kumar. "Simulation of Sawmill Yard Operations Using Software Agents." Thesis, Högskolan Dalarna, Datateknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:du-6026.
Повний текст джерелаAntony, Solomon Raj. "Design and evaluation of a consulting system for database design." FIU Digital Commons, 1997. http://digitalcommons.fiu.edu/etd/1293.
Повний текст джерелаAult, William R. "Design and implementation of an operations module for the ARGOS paperless ship system." Thesis, Monterey, California. Naval Postgraduate School, 1989. http://hdl.handle.net/10945/26969.
Повний текст джерелаThe "paperless' ship is an idea wvhich has been advocated at the highest levels in the Navy. The goal is to eliminate the enormous amount of paper required in the normal operation of a modern naval warship. The ARGOS system under development at the Naval Postgraduate school is a prototype solution which uses HyperCard/HyperTalk for prototype development. The operations functional area, including sections for training, scheduling, message generation, and publication management is an important part of this development.
http://archive.org/details/designimplementa00ault
Schuh, Stefan [Verfasser], and Jens [Akademischer Betreuer] Dittrich. "Understanding fundamental database operations on modern hardware / Stefan Schuh. Betreuer: Jens Dittrich." Saarbrücken : Saarländische Universitäts- und Landesbibliothek, 2015. http://d-nb.info/1080672966/34.
Повний текст джерелаGaudon, Melanie E. "Extensions to Aldat to support distributed database operations with no global scheme." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=66145.
Повний текст джерелаMiller, Nathan D. "Adapting the Skyline Operator in the NetFPGA Platform." Youngstown State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1369586333.
Повний текст джерелаRaymond, Jonathan D. "Determining the number of reenlistments necessary to satisfy future force requirements." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2006. http://library.nps.navy.mil/uhtbin/hyperion/06Sep%5FRaymond.pdf.
Повний текст джерелаThesis Advisor(s): Ronald D. Fricker. "September 2006." Includes bibliographical references (p. 37). Also available in print.
Davis, Robert M. "Web-enabled database application for Marine Aviation Logistics Squadrons an operations and sustainment prototype." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2006. http://library.nps.navy.mil/uhtbin/hyperion/06Sep%5FDavis.pdf.
Повний текст джерелаThesis Advisor(s): Magdi N. Kamel. "September 2006." Includes bibliographical references (p. 91-92). Also available in print.
Howard, Stephen P. "Special Operations Forces and Unmanned Aerial Vehicles Sooner or Later? /." Maxwell AFB, Ala. : Air University Research Coordinator Office, 1998. http://www.au.af.mil/au/database/research/ay1995/saas/howardsp.htm.
Повний текст джерелаSubject: An analysis of whether Special Operations Forces should use Unmanned Aerial Vehicles to support intelligence, surveillance, reconnaissance, communications and re-supply capability deficiencies. Cover page date: June 1995. Vita. Includes bibliographical references.
Jones, Eric Scott. "Hastening Write Operations on Read-Optimized Out-of-Core Column-Store Databases Utilizing Timestamped Binary Association Tables." Youngstown State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1433969530.
Повний текст джерелаFerreira, TonI (Toni Jolene). "A design methodology for the user interface of an electromechanical parts database." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/81720.
Повний текст джерелаCataloged from PDF version of thesis.
Includes bibliographical references (p. 44).
In an increasingly complex supply chain, the use of a structured methodology for locating applicable existing parts during the design process can help a large-volume manufacturer to encourage the reuse of components already in inventory, rather than source new ones. This reuse can dramatically reduce the speed at which the database grows in complexity and can prevent unnecessary escalation of inventory levels. It can also serve to increase the order volume of a smaller number of electromechanical components and reduce the cost and delivery time of new products in development. The use of an internal search tool to facilitate the design process will also encourage engineers to make design decisions that benefit the larger organization. This thesis proposes a design methodology for a web-based search tool aimed at reducing unnecessary new part creation in a component database. Included is a proposed set of features to be implemented in the software tool to assist engineers in locating, reviewing and utilizing relevant existing parts quickly, as well as suggestions for integrating this tool into the standard engineering workflow. The goal will be to encourage the reuse of parts in inventory and prevent unjustified proliferation in the database.
by Toni J. Ferreira.
M.B.A.
S.M.
Alm, Robert, and Lavdim Imeri. "A performance comparison between graph databases : Degree project about the comparisonbetween Neo4j, GraphDB and OrientDB on different operations." Thesis, Högskolan Kristianstad, Fakulteten för naturvetenskap, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-22376.
Повний текст джерелаAn important part of this publication is its GitHub Repository
https://github.com/Exarchias/graph-databases-profiler
Tubbs, James O. "Beyond Gunboat Diplomacy Forceful Applications of Airpower In Peace Enforcement Operations /." Maxwell AFB, Ala. : Air University Research Coordinator Office, 1998. http://www.au.af.mil/au/database/research/ay1995/saas/tubbsjo.htm.
Повний текст джерелаSubject: The application of airpower to peace enforcement operations. Cover page date: June 1995. Vita. Includes bibliographical references.
Webster, Linda Carol. "City of Redlands Public Works Department: Call log database study." CSUSB ScholarWorks, 1998. https://scholarworks.lib.csusb.edu/etd-project/1501.
Повний текст джерелаHAMIDREZA, AFZALI SEYED. "Consistent Range-Queries in DistributedKey-Value Stores : Providing Consistent Range-Query Operations for the CATS NoSQL Database." Thesis, KTH, Programvaru- och datorsystem, SCS, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-121278.
Повний текст джерелаKannan, Govindan. "A Methodology for the Development of a Production Experience Database for Earthmoving Operations Using Automated Data Collection." Diss., Virginia Tech, 1999. http://hdl.handle.net/10919/28065.
Повний текст джерелаPh. D.
Walker, Daniel R. "The Organization and Training of Joint Task Forces." Maxwell AFB, Ala. : Air University Research Coordinator Office, 1998. http://www.au.af.mil/au/database/research/ay1995/saas/walkerdr.htm.
Повний текст джерелаSubject: Examines the organization, training, doctrine, and experience of joint task forces within each of the five geographically tasked unified commands. Cover page date: June 1995. Vita. Includes bibliographical references.
Powelson, Steven E. "An Examination of Small Businesses' Propensity to Adopt Cloud-Computing Innovation." ScholarWorks, 2011. https://scholarworks.waldenu.edu/dissertations/990.
Повний текст джерелаMobley, Frederick Leonard. "Behavioral Operations Management in Federal Governance." ScholarWorks, 2015. https://scholarworks.waldenu.edu/dissertations/1570.
Повний текст джерелаTinnefeld, Christian [Verfasser], and Hasso [Akademischer Betreuer] Plattner. "Building a columnar database on shared main memory-based storage : database operator placement in a shared main memory-based storage system that supports data access and code execution / Christian Tinnefeld ; Betreuer: Hasso Plattner." Potsdam : Universität Potsdam, 2014. http://d-nb.info/1218398442/34.
Повний текст джерелаAhciarliu, Cantemir M. "Multi-agent architecture for integrating remote databases and expert sources with situational awareness tools : humanitarian operations scenario /." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Mar%5FAhciarliu.pdf.
Повний текст джерелаThesis advisor(s): Alex Bordetsky, Glenn Cook. Includes bibliographical references (p. 77-79). Also available online.
Can, Yuksel. "Design, implementation, and analysis of the Personnel, Operations, Equipment, and Training (POET) database and application program for the Turkish Navy Frigate." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2000. http://handle.dtic.mil/100.2/ADA378657.
Повний текст джерелаThesis advisor(s): Wu, C. Thomas; Edwards, Lee. "March 2000." Includes bibliographical references (p. 429-430). Also available online.
Gualtier, Kenneth. "Information Operations Under International Law: A Delphi Study Into the Legal Standing of Cyber Warfare." ScholarWorks, 2015. https://scholarworks.waldenu.edu/dissertations/320.
Повний текст джерелаSavino, Sandro. "A solution to the problem of the cartographic generalization of Italian geographical databases at large-medium scales: approach definition, process design and operators implementation." Doctoral thesis, Università degli studi di Padova, 2011. http://hdl.handle.net/11577/3421671.
Повний текст джерелаQuesta tesi di dottorato sviluppa la problematica della generalizzazione cartografica applicata ai database geografici italiani alla alta e media scala. Il lavoro di ricerca si è sviluppato all'interno del progetto CARGEN, un progetto di ricerca tra l'Università di Padova e la Regione Veneto, con la collaborazione dell'IGMI per lo sviluppo di una procedura automatica di generalizzazione del database DB25 IGMI in scala 1:25000 a partire dal database regionale GeoDBR in scala 1:5000. Il lavoro di tesi affronta tutte le tematiche relative al processo di generalizzazione, partendo dalla generalizzazione del modello fino alla descrizione degli algoritmi di generalizzazione delle geometrie.
Strednansky, Susan E. "Balancing the Trinity the Fine Art of Conflict Termination /." Maxwell AFB, Ala. : Air University Research Coordinator Office, 1998. http://www.au.af.mil/au/database/research/ay1995/saas/strednse.htm.
Повний текст джерелаPaulíček, Martin. "Ladění výkonnosti databází." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2011. http://www.nusl.cz/ntk/nusl-237021.
Повний текст джерелаShugg, Charles K. "Planning Airpower Strategies Enhancing the Capability of Air Component Command Planning /." Maxwell AFB, Ala. : Air University Research Coordinator Office, 1998. http://www.au.af.mil/au/database/research/ay1995/saas/shuggck.htm.
Повний текст джерелаSubject: This study attempts to determine whether Air Component Commands are capable of developing effective airpower strategy. Cover page date: June 1995. Vita. Includes bibliographical references.
Crochetiere, Bruce. "Transcending Technological Innovation: The Impact of Acquisitions on Entrepreneurial Technical Organizations." ScholarWorks, 2011. https://scholarworks.waldenu.edu/dissertations/956.
Повний текст джерелаLadeinde, Olurotimi Adeboye. "An Empirical Study on User Acceptance of Simulation Techniques for Business Process." ScholarWorks, 2011. https://scholarworks.waldenu.edu/dissertations/911.
Повний текст джерелаDoherty, Michael J. "Using Organizational, Coordination, and Contingency Theories to Examine Project Manager Insights on Agile and Traditional Success Factors for Information Technology Projects." ScholarWorks, 2011. https://scholarworks.waldenu.edu/dissertations/944.
Повний текст джерелаWilliams, Gloria S. "Entropy in Postmerger and Acquisition Integration from an Information Technology Perspective." ScholarWorks, 2011. https://scholarworks.waldenu.edu/dissertations/1038.
Повний текст джерелаWard, Terrence L. "Predicting inter -organizational knowledge satisfaction through knowledge conversion and task characteristics in a minority -owned business." ScholarWorks, 2009. https://scholarworks.waldenu.edu/dissertations/696.
Повний текст джерела