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ACL
2008
13 years 11 months ago
2008
This paper is concerned with the problem of question search. In question search, given a question as query, we are to return questions semantically equivalent or close to the quer...
ACL
2008
13 years 11 months ago
2008
Expert search, in which given a query a ranked list of experts instead of documents is returned, has been intensively studied recently due to its importance in facilitating the ne...
AAAI
2006
13 years 11 months ago
2006
The Web has become the largest information repository over the world. Therefore, effectively and efficiently searching the Web becomes a key challenge. Previous research on Web se...
AAAI
1998
13 years 11 months ago
1998
Unpredictability in the running time of complete search procedures can often be explained by the phenomenon of "heavy-tailed cost distributions", meaning that at any tim...
AAAI
2000
13 years 11 months ago
2000
We present a new algorithm that reduces the space complexity of heuristic search. It is most effective for problem spaces that grow polynomially with problem size, but contain lar...