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Dissertations / Theses on the topic 'Multidimensional indexing'

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1

Terry, Justin. "Indexing Multidimensional Point Data." Thesis, Griffith University, 2010. http://hdl.handle.net/10072/365419.

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In current database applications there is a large and growing amount of multidimensional data that is not well supported. Modern database applications are turning more often to multidimensional data for a more sophisticated representation and reasoning of their universe. The amount of data collected, processed and stored continues to grow as new technologies emerge. Even relational data can be seen to be multidimensional as each attribute corresponds to a dimension. Despite the large and growing data sets, multidimensional data is not well supported above low dimensionality and there is no ind
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2

Nam, Beomseok. "Distributed multidimensional indexing for scientific data analysis applications." College Park, Md. : University of Maryland, 2007. http://hdl.handle.net/1903/6795.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2007.<br>Thesis research directed by: Computer Science. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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3

Pedreira, Pedro Eugênio Rocha. "On indexing highly dynamic multidimensional datasets for interactive analytics." reponame:Repositório Institucional da UFPR, 2016. http://hdl.handle.net/1884/44470.

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Orientador : Prof. Dr. Luis Carlos Erpen de Bona<br>Tese (doutorado) - Universidade Federal do Paraná, Setor de Ciências Exatas, Programa de Pós-Graduação em Informática. Defesa: Curitiba, 15/04/2016<br>Inclui referências : f. 77-91<br>Área de concentração : Ciência da computação<br>Resumo: Indexação de dados multidimensionais tem sido extensivamente pesquisada nas últimas décadas. Neste trabalho, um novo workload OLAP identificado no Facebook é apresentado, caracterizado por (a) alta dinamicidade e dimensionalidade, (b) escala e (c) interatividade e simplicidade de consultas, inadequado para
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4

Goldman, Daniel A. "Multidimensional range searching using G-tree and B*-tree indexing." Diss., Online access via UMI:, 2005.

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5

Keskin, Sinan. "Implementation Of X-tree With 3d Spatial Index And Fuzzy Secondary Index." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612807/index.pdf.

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Multidimensional datasets are getting more extensively used in Geographic Information Systems (GIS) applications in recent years. Due to large volume of these datasets efficient querying becomes a significant problem. For this purpose, before creating index structure with these enormous datasets, choosing an efficient index structure is an urgent necessity. The aim of this thesis is to develop an efficient, flexible and extendible index structure which comprises 3D spatial data in primary index and fuzzy attributes in secondary index. These primary and secondary indexes are handled in a couple
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6

Bauer, Michael G. "Multidimensional indexing and querying of XML in digital libraries and relational database systems." [S.l. : s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=973922834.

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7

Bernardina, Philipe Dalla. "PCA-tree: uma proposta para indexação multidimensional." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/45/45134/tde-29082007-114522/.

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Com o vislumbramento de aplicações que exigiam representações em espaços multidimensionais, surgiu a necessidade de desenvolvimento de métodos de acessos eficientes a estes dados representados em R^d. Dentre as aplicações precursoras dos métodos de acessos multidimensionais, podemos citar os sistemas de geoprocessamento, aplicativos 3D e simuladores. Posteriormente, os métodos de acessos multidimensionais também apresentaram-se como uma importante ferramenta no projeto de classificadores, principalmente classificadores pelos vizinhos mais próximos. Com isso, expandiu-se o espaço de representaç
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8

Ahmed, Usman. "Dynamic cubing for hierarchical multidimensional data space." Phd thesis, INSA de Lyon, 2013. http://tel.archives-ouvertes.fr/tel-00876624.

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Data warehouses are being used in many applications since quite a long time. Traditionally, new data in these warehouses is loaded through offline bulk updates which implies that latest data is not always available for analysis. This, however, is not acceptable in many modern applications (such as intelligent building, smart grid etc.) that require the latest data for decision making. These modern applications necessitate real-time fast atomic integration of incoming facts in data warehouse. Moreover, the data defining the analysis dimensions, stored in dimension tables of these warehouses, al
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9

Černý, Petr. "Vyhledávání ve videu." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2012. http://www.nusl.cz/ntk/nusl-236590.

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This thesis summarizes the information retrieval theory, the relational model basic and focuses on the data indexing in relational database systems. The thesis focuses on multimedia data searching. It includes description of automatic multimedia data content extraction and multimedia data indexing. Practical part discusses design and solution implementation for improving query effectivity for multidimensional vector similarity which describes multimedia data. Thesis final part discusses experiments with this solution.
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10

Kammoun, Abderrahmen. "Enhancing Stream Processing and Complex Event Processing Systems." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSES012.

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Alors que de plus en plus d'objets et d'appareils sensoriels connectés font partie de notre vie quotidienne, la masse d'informations circulant à grande vitesse ne cesse d'augmenter. Cette énorme quantité de données produites à des débits élevés exige une compréhension rapide pour être utile dans divers domaines d'activité telles que l'internet des objets, la santé, la gestion de l'énergie, etc. Les techniques traditionnelles de stockage et de traitement de données se sont révélées inefficaces ou inadaptables pour gérer ce flux de données. Cette thèse a pour objectif de proposer des solutions o
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11

Chafik, Sanaa. "Machine learning techniques for content-based information retrieval." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLL008/document.

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Avec l’évolution des technologies numériques et la prolifération d'internet, la quantité d’information numérique a considérablement évolué. La recherche par similarité (ou recherche des plus proches voisins) est une problématique que plusieurs communautés de recherche ont tenté de résoudre. Les systèmes de recherche par le contenu de l’information constituent l’une des solutions prometteuses à ce problème. Ces systèmes sont composés essentiellement de trois unités fondamentales, une unité de représentation des données pour l’extraction des primitives, une unité d’indexation multidimensionnelle
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12

Chafik, Sanaa. "Machine learning techniques for content-based information retrieval." Electronic Thesis or Diss., Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLL008.

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Avec l’évolution des technologies numériques et la prolifération d'internet, la quantité d’information numérique a considérablement évolué. La recherche par similarité (ou recherche des plus proches voisins) est une problématique que plusieurs communautés de recherche ont tenté de résoudre. Les systèmes de recherche par le contenu de l’information constituent l’une des solutions prometteuses à ce problème. Ces systèmes sont composés essentiellement de trois unités fondamentales, une unité de représentation des données pour l’extraction des primitives, une unité d’indexation multidimensionnelle
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13

Xiao, Yi-Rong, and 蕭亦榮. "A multidimensional path indexing technique for object-oriented databases." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/06740762375617891629.

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14

Dellis, Evangelos [Verfasser]. "Advanced indexing and query processing for multidimensional databases / vorgelegt von Evangelos Dellis." 2007. http://d-nb.info/986369195/34.

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15

Bauer, Michael G. [Verfasser]. "Multidimensional indexing and querying of XML in digital libraries and relational database systems / Michael G. Bauer." 2004. http://d-nb.info/973922834/34.

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16

Herath, Samudra Dilrukshi. "Embedding Techniques to Solve Large-scale Entity Resolution." Thesis, 2022. https://hdl.handle.net/2440/135396.

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Entity resolution (ER) identifies and links records that belong to the same real-world entities, where an entity refer to any real-world object. It is a primary task in data integration. Accurate and efficient ER substantially impacts various commercial, security, and scientific applications. Often, there are no unique identifiers for entities in datasets/databases that would make the ER task easy. Therefore record matching depends on entity identifying attributes and approximate matching techniques. The issues of efficiently handling large-scale data remain an open research problem with the i
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