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210
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DEXA
2004
Springer
15 years 11 months ago
2004
Springer
The Iceberg SemiJoin (ISJ) of two datasets R and S returns the tuples in R which join with at least k tuples of S. The ISJ operator is essential in many practical applications incl...
192
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COLCOM
2007
IEEE
16 years 1 months ago
2007
IEEE
—Collaborative systems available on the Web allow millions of users to share information through a growing collection of tools and platforms such as wikis, blogs and shared forum...
209
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NAACL
2004
15 years 8 months ago
2004
Definition questions represent a largely unexplored area of question answering--they are different from factoid questions in that the goal is to return as many relevant "nugg...
203
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ATAL
2009
Springer
16 years 3 days ago
2009
Springer
Our work presents a mechanism designed for the selection of the optimal information provider in a multi-agent, heterogeneous and unsupervised monitoring system. The selfadaptation...
217
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KCAP
2005
ACM
16 years 1 months ago
2005
ACM
User-centered consultation systems can be viewed as systems with trust in the competence of the user, whereas conventional knowledge systems are often based on some mistrust. By o...