2228 search results - page 167 / 446 » A System for Semantic Query Optimization |
140
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CRV
2009
IEEE
15 years 10 months ago
2009
IEEE
This paper presents a spatial-semantic modeling system featuring automated learning of object-place relations from an online annotated database, and the application of these relat...
114
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CAISE
2003
Springer
15 years 8 months ago
2003
Springer
In a selective information dissemination (SDI) system, users submit profiles consisting of a number of long-standing queries to represent their information needs. The system then c...
141
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CIKM
2009
Springer
15 years 9 months ago
2009
Springer
Well-designed indices can dramatically improve query performance. Including query workload information can produce indices that yield better overall throughput while balancing the...
153
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SEMWEB
2005
Springer
15 years 8 months ago
2005
Springer
Information retrieval systems have to deal with uncertain knowledge and query results should reflect this uncertainty in some manner. However, Semantic Web ontologies are based on...
118
Voted
CGO
2009
IEEE
15 years 10 months ago
2009
IEEE
—Fast track is a software speculation system that enables unsafe optimization of sequential code. It speculatively runs optimized code to improve performance and then checks the ...