2987 search results - page 241 / 598 » Multiobjective Query Optimization |
103
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OTM
2005
Springer
15 years 7 months ago
2005
Springer
Peer-to-peer (P2P) networks are receiving increasing attention in a variety of current applications. In this paper, we concentrate on applications where a mobile user queries peers...
132
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ER
2005
Springer
15 years 7 months ago
2005
Springer
Query rewriting is a fundamental task in query optimization and data integration. With the advent of the web, there has been renewed interest in data integration, where data is dis...
134
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COOPIS
2003
IEEE
15 years 7 months ago
2003
IEEE
We consider the problem of query evaluation in Peer-to-Peer (P2P) systems that support semantic-based retrieval services. We confine ourselves to the case where the peers employ t...
145
Voted
COOPIS
2004
IEEE
15 years 6 months ago
2004
IEEE
Enhanced Multimedia Meta Objects (EMMOs) are a novel approach to multimedia content modeling, combining media, semantic relationships between those media, as well as functionality ...
111
Voted
AMW
2010
15 years 3 months ago
2010
We address the problem of answering conjunctive queries over knowledge bases, specified by sets of first-order sentences called tuple-generating dependencies (TGDs). This problem i...