7576 search results - page 400 / 1516 » On Querying Ontologies and Databases |
233
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ECAI
2010
Springer
15 years 8 months ago
2010
Springer
Abstract. The deployment of KR formalisms to the Web has created the need for formalisms that combine heterogeneous knowledge bases. Nonmonotonic dl-programs provide a loose integr...
258
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DBPL
2003
Springer
16 years 28 days ago
2003
Springer
Abstract. In the context of XML data management systems, the estimation of query cardinality is becoming more and more important: the information provided by a query result estimat...
248
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DASFAA
2011
IEEE
14 years 9 months ago
2011
IEEE
Continuous monitoring of spatial queries has gained significant research attention in the past few years. Although numerous algorithms have been proposed to solve specific queries...
275
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ICDE
2005
IEEE
16 years 9 months ago
2005
IEEE
Large amounts of (often valuable) information are stored in web-accessible text databases. "Metasearchers" provide unified interfaces to query multiple such databases at...
215
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GVD
2009
15 years 5 months ago
2009
Curated databases represent a substantial amount of effort by a dedicated group of people to produce a definitive description of some subject area. The value of curated databases ...