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SIGIR
2011
ACM
14 years 18 days ago
2011
ACM
As the Internet grows explosively, search engines play a more and more important role for users in effectively accessing online information. Recently, it has been recognized that ...
WWW
2004
ACM
15 years 10 months ago
2004
ACM
Current search technologies work in "one size fits all" fashion. Therefore, the answer to a query is independent of specific user information need. In this paper, we des...
ECIR
2008
Springer
14 years 11 months ago
2008
Springer
An expert search system assists users with their "expertise need" by suggesting people with relevant expertise to their query. Most systems work by ranking documents in r...
WWW
2006
ACM
15 years 10 months ago
2006
ACM
We introduce the notion of query substitution, that is, generating a new query to replace a user's original search query. Our technique uses modifications based on typical su...
SIGIR
2011
ACM
14 years 18 days ago
2011
ACM
Query performance prediction is aimed at predicting the retrieval effectiveness that a query will achieve with respect to a particular ranking model. In this paper, we study quer...