3225 search results - page 111 / 645 » Query Optimization by Stored Queries |
ER
2005
Springer
14 years 2 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...
COOPIS
2003
IEEE
14 years 2 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...
COOPIS
2004
IEEE
14 years 18 days 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 ...
AMW
2010
13 years 10 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...
DS
1997
13 years 10 months ago
1997
The ODMG proposal has helped to focus the work on object-oriented databases (OODBs) onto a common object model and query language. Nevertheless there are several shortcomings of t...