9683 search results - page 646 / 1937 » Predicting query performance |
179
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FOCS
2008
IEEE
16 years 1 months ago
2008
IEEE
We show that the NP-Complete language 3SAT has a PCP verifier that makes two queries to a proof of almost-linear size and achieves sub-constant probability of error o(1). The ver...
204
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MDM
2007
Springer
16 years 1 months ago
2007
Springer
Personalization systems exploit preferences for providing users with only relevant data from the huge volume of information that is currently available. We consider preferences th...
212
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ADC
2005
Springer
16 years 1 months ago
2005
Springer
Although data stored in XML is of increasing importance, most existing data repositories are still managed by relational database systems. In light of this, recent XML database re...
213
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ICLP
2005
Springer
16 years 29 days ago
2005
Springer
The Semantic Web is a rapidly growing research area aiming at the exchange of semantic information over the World Wide Web. The Semantic Web is built on top of RDF, an XML-based ex...
195
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VLDB
2005
ACM
16 years 27 days ago
2005
ACM
Multi-join queries are the core of any integration service that integrates data from multiple distributed data sources. Due to the large number of data sources and possibly high v...