Results 41 to 50 of about 4,465,122 (351)
Constraint-based Query Distribution Framework for an Integrated Global Schema
, 2009 Distributed heterogeneous data sources need to be queried uniformly using global schema. Query on global schema is reformulated so that it can be executed on local data sources.
Iftikhar, Nadeem +3 more
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An Analytical Study of Large SPARQL Query Logs [PDF]
, 2017 With the adoption of RDF as the data model for Linked Data and the Semantic Web, query specification from end- users has become more and more common in SPARQL end- points.
Bonifati, Angela +2 more
core +2 more sources
Multi-Query Optimization in Wide-Area Streaming Analytics
ACM Symposium on Cloud Computing, 2018 Wide-area data analytics has gained much attention in recent years due to the increasing need for analyzing data that are geographically distributed.
A. Jonathan, A. Chandra, J. Weissman
semanticscholar +1 more source
Trade-Offs Computing Minimum Hub Cover Toward Optimized Labeled Graph Query Processing
Online Academic Journal of Information Technology, 2018 As techniques for graph query processing mature, the need for optimization is increasingly becoming an imperative. Indices are one of the key ingredients toward efficient query processing strategies via cost-based optimization.
Hasan M. Jamil +3 more
doaj +1 more source
Research and Implementation of Document-Relational Data Query Execution Tech-nology
Jisuanji kexue yu tansuo, 2020 With the arrival of the era of big data, Internet applications have produced abundant data types. Integ-rating storage, query and organization of data with various structures is a research hotspot of large data management system.
MA Zhicheng, YUAN Haifeng, GU Yang, LIU Yaru, ZHANG Xiao
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Subsumption between queries to object-oriented databases [PDF]
, 1993 Most work on query optimization in relational and object-oriented databases has concentrated on tuning algebraic expressions and the physical access to the database contents.
Buchheit, Martin +3 more
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Query optimization in relational database systems and cloud computing technology [PDF]
Компьютерные исследования и моделирование, 2015 Optimization is the heart of relational Database Management System (DMBS). Its can analyzes the SQL statements and determines the most efficient access plan to satisfy every query request.
A. V. Bogdanov, Lwin Thurein Kyaw
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IEEE Access, 2023 According to the characteristics of massive, multi-source, heterogeneous, and rapid growth of book literature data information from the perspective of the metaverse, in order to meet the requirements of efficient management and rapid retrieval such as ...
Dailin Wang, Lina Liu, Yali Liu
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An efficient query optimization strategy for spatio-temporal queries in video databases [PDF]
, 2004 Cataloged from PDF version of article.The interest for multimedia database management systems has grown rapidly due to the need for the storage of huge volumes of multimedia data in computer systems.
Donderler, M. E. +3 more
core +1 more source
Approximation schemes for many-objective query optimization [PDF]
SIGMOD Conference, 2014 The goal of multi-objective query optimization (MOQO) is to find query plans that realize a good compromise between conflicting objectives such as minimizing execution time and minimizing monetary fees in a Cloud scenario.
Immanuel Trummer, Christoph E. Koch
semanticscholar +1 more source