27756 search results - page 252 / 5552 » Process Query Systems |
143
Voted
PVLDB
2010
15 years 1 months ago
2010
Ontology-based data access is a powerful form of extending database technology, where a classical extensional database (EDB) is enhanced by an ontology that generates new intensio...
107
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IS
2008
15 years 3 months ago
2008
In spatial networks, clustering adjacent data to disk pages is highly likely to reduce the number of disk page accesses made by the aggregate network operations during query proce...
238
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ICDE
2008
IEEE
16 years 4 months ago
2008
IEEE
Abstract-- We present an original graph embedding to speedup distance-range and k-nearest neighbor queries on static and/or dynamic objects located on a (weighted) graph. Our metho...
172
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PERCOM
2006
ACM
16 years 2 months ago
2006
ACM
In this paper, we design and evaluate an energy efficient data retrieval architecture for continuous aggregate queries in wireless sensor networks. We show how the modification of...