24105 search results - page 254 / 4821 » Models in Information Retrieval |
180
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
In this paper, we show how a user profile can be enhanced when a more detailed description of the products is included. Two main assumptions have been considered: the first implie...
218
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CIKM
2006
Springer
15 years 8 months ago
2006
Springer
In an expert search task, the users' need is to identify people who have relevant expertise to a topic of interest. An expert search system predicts and ranks the expertise o...
172
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SIGIR
2010
ACM
15 years 6 months ago
2010
ACM
Recently, Portfolio Theory (PT) has been proposed for Information Retrieval. However, under non-trivial conditions PT violates the original Probability Ranking Principle (PRP). In...
199
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ECIR
2011
Springer
14 years 10 months ago
2011
Springer
Abstract. As retrieval systems become more complex, learning to rank approaches are being developed to automatically tune their parameters. Using online learning to rank approaches...
154
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IRI
2007
IEEE
16 years 27 days ago
2007
IEEE
As design complexities increase exponentially, automotive designers need integrated tool environments enabling system-level analyses of alternative architectural solutions. Hence,...