2228 search results - page 137 / 446 » A System for Semantic Query Optimization |
PR
2008
14 years 10 months ago
2008
Semantic-based image retrieval has attracted great interest in recent years. This paper proposes a region-based image retrieval system with high-level semantic learning. The key f...
ISMIS
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. We present a knowledge-based system, for skills and talent management, exploiting semantic technologies combined with top-k retrieval techniques. The system provides adva...
66
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ENC
2005
IEEE
15 years 3 months ago
2005
IEEE
This paper describes SKIMA, a mediation system that gives transparent access to heterogeneous and distributed sources considering their semantics and the semantics of application ...
106
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ICDE
2005
IEEE
15 years 3 months ago
2005
IEEE
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...
SEMWEB
2005
Springer
15 years 3 months ago
2005
Springer
In this poster, we present Oyster, a Peer-to-Peer system for exchanging ontology metadata among communities in the Semantic Web. Oyster exploits semantic web techniques in data re...