3456 search results - page 234 / 692 » Semantics in Spatial Databases |
313
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GIS
2005
ACM
16 years 8 months ago
2005
ACM
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
181
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GIS
1999
ACM
15 years 11 months ago
1999
ACM
Nowadays, many applications need data modeling facilities for the description of complex objects with spatial and/or temporal facilities. Responses to such requirements may be fou...
232
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ADC
2008
Springer
16 years 1 months ago
2008
Springer
As the eXtensible Markup Language (XML) is about to emerge as a new standard for databases, the problem of providing solid logical grounds for XML query languages arises. For the ...
168
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ICDCS
2005
IEEE
16 years 20 days ago
2005
IEEE
We consider the problem of handling similarity queries in peer-to-peer databases. Given a query for a data object, we propose an indexing and searching mechanism which returns the...
160
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VLDB
2005
ACM
16 years 16 days ago
2005
ACM
In this paper, we propose a method for maintaining a semantic cache of materialized XPath views. The cached views include queries that have been previously asked, and additional s...