1775 search results - page 228 / 355 » Language-modeling kernel based approach for information retr... |
119
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WWW
2005
ACM
16 years 4 months ago
2005
ACM
Based on the type of collaborative objects, a collaborative filtering (CF) system falls into one of two categories: item-based CF and user-based CF. Clustering is the basic idea i...
152
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AIRS
2008
Springer
15 years 10 months ago
2008
Springer
This paper presents a Multiple Combined Ranker (MCR) approach for answering definitional questions. Generally, our MCR approach first extracts question target-related knowledge as ...
120
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WWW
2005
ACM
16 years 4 months ago
2005
ACM
In contrast with the current Web search methods that essentially do document-level ranking and retrieval, we are exploring a new paradigm to enable Web search at the object level....
135
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WWW
2005
ACM
16 years 4 months ago
2005
ACM
This paper is concerned with the problem of definition search. Specifically, given a term, we are to retrieve definitional excerpts of the term and rank the extracted excerpts acc...
129
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SIGIR
2009
ACM
15 years 10 months ago
2009
ACM
Long queries frequently contain many extraneous terms that hinder retrieval of relevant documents. We present techniques to reduce long queries to more effective shorter ones tha...