3514 search results - page 536 / 703 » On Moving Object Queries |
158
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AP2PC
2003
Springer
15 years 11 months ago
2003
Springer
The objective of query optimizers is to select a good execution plan for a given query. In a distributed system, it is crucial for a query optimizer to have effective remote cost e...
150
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VLDB
1998
ACM
15 years 10 months ago
1998
ACM
The problem of finding an optimal bipartition of a rectangle set has a direct impact on query performance of dynamic R-trees. During update operations, overflowed nodes need to be...
171
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ASWC
2008
Springer
15 years 8 months ago
2008
Springer
Abstract. Nowadays, the demand on querying and searching the Semantic Web is increasing. Some systems have adopted IR (Information Retrieval) approaches to index and search the Sem...
195
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BMCBI
2010
15 years 6 months ago
2010
Background: Finding the subgraphs of a graph database that are isomorphic to a given query graph has practical applications in several fields, from cheminformatics to image unders...
244
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VLSISP
2010
15 years 4 months ago
2010
Abstract In case of insufficient data samples in highdimensional classification problems, sparse scatters of samples tend to have many ‘holes’—regions that have few or no nea...