2269 search results - page 262 / 454 » Retrieval evaluation with incomplete information |
189
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RECSYS
2009
ACM
16 years 1 months ago
2009
ACM
Collaborative Filtering (CF) recommendations are computed by leveraging a historical data set of users’ ratings for items. It assumes that the users’ previously recorded ratin...
195
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CIKM
2007
Springer
16 years 1 months ago
2007
Springer
We present a corpus-based approach to the class expansion task. For a given set of seed entities we use co-occurrence statistics taken from a text collection to define a membersh...
199
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SIGIR
2006
ACM
16 years 1 months ago
2006
ACM
Searching an organization’s document repositories for experts provides a cost effective solution for the task of expert finding. We present two general strategies to expert se...
176
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WIDM
2006
ACM
16 years 1 months ago
2006
ACM
Backup of websites is often not considered until after a catastrophic event has occurred to either the website or its webmaster. We introduce “lazy preservation” – digital p...
204
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CIKM
2005
Springer
16 years 22 days ago
2005
Springer
In this paper we present a novel strategy, DragPushing, for improving the performance of text classifiers. The strategy is generic and takes advantage of training errors to succes...