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CIKM
2010
Springer
13 years 7 months ago
2010
Springer
We consider the problem of learning to rank relevant and novel documents so as to directly maximize a performance metric called Expected Global Utility (EGU), which has several de...
IPM
2002
13 years 8 months ago
2002
10 There have been recent applications of genetic algorithms to information retrieval, mostly with respect to 11 relevance feedback. Nevertheless, they are yet to be evaluated in ...
ICTIR
2009
Springer
14 years 3 months ago
2009
Springer
Abstract. It is well known that pseudo-relevance feedback (PRF) improves the retrieval performance of Information Retrieval (IR) systems in general. However, a recent study by Cao ...
WWW
2002
ACM
14 years 9 months ago
2002
ACM
The organization of HTML into a tag tree structure, which is rendered by browsers as roughly rectangular regions with embedded text and HREF links, greatly helps surfers locate an...
CLEF
2010
Springer
13 years 9 months ago
2010
Springer
In this paper we will describe Berkeley's approach to the ImageCLEF Wikipedia Retrieval task for 2010. Our approach to this task was primarily to use text-based searches on th...