24105 search results - page 255 / 4821 » Models in Information Retrieval |
177
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ECIR
2008
Springer
15 years 8 months ago
2008
Springer
In document retrieval using pseudo relevance feedback, after initial ranking, a fixed number of top-ranked documents are selected as feedback to build a new expansion query model. ...
162
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
The paper is concerned with the problem of question recommendation. Specifically, given a question as query, we are to retrieve and rank other questions according to their likelih...
178
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
Learning to rank is a new statistical learning technology on creating a ranking model for sorting objects. The technology has been successfully applied to web search, and is becom...
171
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UM
2005
Springer
16 years 2 days ago
2005
Springer
This paper is concerned with user modelling issues such as adaptive educational environments, adaptive information retrieval, and support for collaboration. The HomeWork project is...
168
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SPIRE
2007
Springer
16 years 21 days ago
2007
Springer
Abstract. Weighting models use lexical statistics, such as term frequencies, to derive term weights, which are used to estimate the relevance of a document to a query. Apart from t...