6746 search results - page 489 / 1350 » Multimodal Database Query |
287
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ICDE
2006
IEEE
16 years 7 months ago
2006
IEEE
Relational division, also known as small divide, is a derived operator of the relational algebra that realizes a many-to-one set containment test, where a set is represented as a ...
196
Voted
SIGMOD
2001
ACM
16 years 6 months ago
2001
ACM
Materialized views have been found to be very effective at speeding up queries, and are increasingly being supported by commercial databases and data warehouse systems. However, w...
161
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PODS
2001
ACM
16 years 6 months ago
2001
ACM
Database systems frequently have to execute a set of related queries, which share several common subexpressions. Multi-query optimization exploits this, by finding evaluation plan...
169
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ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
Research on spatial network databases has so far considered that there is a single cost value associated with each road segment of the network. In most real-world situations, howev...
181
Voted
ICDE
2006
IEEE
16 years 15 days ago
2006
IEEE
This paper presents a description of seven systems, which use database technology to both represent knowledge persistently and make scalable queries on it, in the Semantic Web con...