5130 search results - page 224 / 1026 » Constraint Query Languages |
181
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CAISE
2006
Springer
15 years 10 months ago
2006
Springer
This paper introduces an approach to mapping relational database contents to ontologies. The current effort is motivated by the need of including into the Semantic Web volumes of w...
174
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ACL
2008
15 years 8 months ago
2008
Web search engines today typically show results as a list of titles and short snippets that summarize how the retrieved documents are related to the query. However, recent researc...
152
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SAT
2004
Springer
15 years 12 months ago
2004
Springer
Kolaitis and Vardi pointed out that constraint satisfaction and conjunctive query containment are essentially the same problem. We study the Boolean conjunctive queries under a mor...
193
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KDD
2007
ACM
16 years 6 months ago
2007
ACM
Users attempt to express their search goals through web search queries. When a search goal has multiple components or aspects, documents that represent all the aspects are likely ...
209
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IEEECSA
2009
15 years 4 months ago
2009
- The SQL language allows users to express queries that have nested subqueries in them. Optimization of nested queries has received considerable attention over the last few years. ...