2223 search results - page 250 / 445 » Query Optimization in an OODBMS |
144
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ICDM
2007
IEEE
15 years 11 months ago
2007
IEEE
We consider the problem of elastic matching of sequences of real numbers. Since both a query and a target sequence may be noisy, i.e., contain some outlier elements, it is desirab...
119
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PODS
2010
ACM
15 years 10 months ago
2010
ACM
A fundamental problem in data management is to draw a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With large, streamin...
137
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COCO
2003
Springer
15 years 10 months ago
2003
Springer
We consider a fundamental problem in data structures, static predecessor searching: Given a subset S of size n from the universe [m], store S so that queries of the form “What i...
136
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GIS
2010
ACM
15 years 3 months ago
2010
ACM
This paper proposes an efficient, decentralized algorithm for determining the topological relationship between two regions monitored by a geosensor network. Many centralized algo...
236
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ICDE
2005
IEEE
16 years 6 months ago
2005
IEEE
Sequence-based XML indexing aims at avoiding expensive join operations in query processing. It transforms structured XML data into sequences so that a structured query can be answ...