1391 search results - page 242 / 279 » Knowledge Retrieval (KR) |
191
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WWW
2006
ACM
16 years 6 months ago
2006
ACM
Social networks play important roles in the Semantic Web: knowledge management, information retrieval, ubiquitous computing, and so on. We propose a social network extraction syst...
171
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WWW
2005
ACM
16 years 6 months ago
2005
ACM
We consider the problem of efficiently sampling Web search engine query results. In turn, using a small random sample instead of the full set of results leads to efficient approxi...
173
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WWW
2005
ACM
16 years 6 months ago
2005
ACM
In this work we present topic diversification, a novel method designed to balance and diversify personalized recommendation lists in order to reflect the user's complete spec...
176
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WWW
2004
ACM
16 years 6 months ago
2004
ACM
We present a Semantic Web application that we call CS AKTive Space1 . The application exploits a wide range of semantically heterogeneous and distributed content relating to Compu...
258
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
Existing keyword-search systems in relational databases require users to submit a complete query to compute answers. Often users feel "left in the dark" when they have l...