1059 search results - page 144 / 212 » Improving Semantic Query Answering |
134
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JAPLL
2008
15 years 3 months ago
2008
We introduce a general framework for reasoning with prioritized propositional data by aggregation of distance functions. Our formalism is based on a possible world semantics, wher...
183
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SIGMOD
2007
ACM
16 years 3 months ago
2007
ACM
Dataspaces are collections of heterogeneous and partially unstructured data. Unlike data-integration systems that also offer uniform access to heterogeneous data sources, dataspac...
133
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SODA
2012
ACM
13 years 5 months ago
2012
ACM
We describe a data structure for submatrix maximum queries in Monge matrices or Monge partial matrices, where a query specifies a contiguous submatrix of the given matrix, and it...
241
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ICDE
2003
IEEE
16 years 4 months ago
2003
IEEE
Intuitively, data management and data integration tools should be well-suited for exchanging information in a semantically meaningful way. Unfortunately, they suffer from two sign...
141
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WWW
2007
ACM
16 years 3 months ago
2007
ACM
Schema statements in OWL are interpreted quite differently from analogous statements in relational databases. If these statements are meant to be interpreted as integrity constrai...