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CIKM
2009
Springer
14 years 1 months ago
2009
Springer
We systematically compare five representative state-of-theart methods for estimating query language models with pseudo feedback in ad hoc information retrieval, including two var...
CIKM
2001
Springer
14 years 1 months ago
2001
Springer
Query expansion has been shown effective for both single database retrieval and for distributed information retrieval where complete collection information is available. One might...
JUCS
2008
13 years 9 months ago
2008
: Some measures such as mean average precision and recall level precision are considered as good system-oriented measures, because they concern both precision and recall that are t...
SIGIR
2002
ACM
13 years 8 months ago
2002
ACM
Arabic, a highly inflected language, requires good stemming for effective information retrieval, yet no standard approach to stemming has emerged. We developed several light stemm...
CIKM
2001
Springer
14 years 1 months ago
2001
Springer
We consider the problem of organizing and browsing the top ranked portion of the documents returned by an information retrieval system. We study the effectiveness of a document o...