298 search results - page 58 / 60 » Query Rewriting in DL-Lite_^(HN)_horn |
161
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SIGIR
2002
ACM
15 years 5 months ago
2002
ACM
This paper describes a question answering system that is designed to capitalize on the tremendous amount of data that is now available online. Most question answering systems use ...
189
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JAPLL
2010
15 years 4 months ago
2010
We provide complete axiomatizations for several fragments of XPath: sets of equivalences from which every other valid equivalence is derivable. Specifically, we axiomatize downwar...
167
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CLOUDCOM
2010
Springer
15 years 4 months ago
2010
Springer
The Semantic Web is gaining immense popularity-and with it, the Resource Description Framework (RDF) broadly used to model Semantic Web content. However, access control on RDF sto...
305
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POPL
2006
ACM
16 years 6 months ago
2006
ACM
Web applications typically interact with a back-end database to retrieve persistent data and then present the data to the user as dynamically generated output, such as HTML web pa...
135
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EDBT
2010
ACM
16 years 16 days ago
2010
ACM
The goal of data fusion is to combine several representations of one real world object into a single, consistent representation, e.g., in data integration. A very popular operator...