1263 search results - page 126 / 253 » A Scalable Algorithm for Answering Queries Using Views |
122
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PODS
2006
ACM
16 years 3 months ago
2006
ACM
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
129
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VLDB
2007
ACM
15 years 9 months ago
2007
ACM
This paper reports our first set of results on managing uncertainty in data integration. We posit that data-integration systems need to handle uncertainty at three levels, and do...
127
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SIGIR
2003
ACM
15 years 8 months ago
2003
ACM
Distributed search systems are an emerging phenomenon in Web search, in which independent topic-specific search engines provide search services, and metasearchers distribute user...
145
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IPPS
1998
IEEE
15 years 7 months ago
1998
IEEE
Boundeddegreenetworks like deBruijn graphsor wrapped butterfly networks are very important from VLSI implementation point of view as well as for applications where the computing n...
128
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AAAI
2008
15 years 5 months ago
2008
Modal logic represents knowledge that agents have about other agents' knowledge. Probabilistic modal logic further captures probabilistic beliefs about probabilistic beliefs....