2362 search results - page 228 / 473 » A General Language Model for Information Retrieval |
162
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WWW
2006
ACM
16 years 7 months ago
2006
ACM
The contribution of this paper includes three folders: (1) To introduce a topic-oriented query expansion model based on the Information Bottleneck theory that classify terms into ...
155
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WWW
2004
ACM
16 years 7 months ago
2004
ACM
Query flooding is a problem existing in Peer-to-Peer networks like Gnutella. Firework Query Model solves this problem by Peer Clustering and routes the query message more intellig...
182
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Incorporating features extracted from clickthrough data (called clickthrough features) has been demonstrated to significantly improve the performance of ranking models for Web sea...
169
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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...
157
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
Modeling the beyond-topical aspects of relevance are currently gaining popularity in IR evaluation. For example, the discounted cumulated gain (DCG) measure implicitly models some...