861 search results - page 134 / 173 » Information landscapes and the analysis of search algorithms |
200
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WWW
2008
ACM
16 years 6 months ago
2008
ACM
The web has become an important medium for news delivery and consumption. Fresh content about a variety of topics, events, and places is constantly being created and published on ...
156
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ICML
2004
IEEE
16 years 7 months ago
2004
IEEE
Conditional Random Fields (CRFs; Lafferty, McCallum, & Pereira, 2001) provide a flexible and powerful model for learning to assign labels to elements of sequences in such appl...
140
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CIVR
2007
Springer
16 years 9 days ago
2007
Springer
Fusion of multimedia streams for enhanced performance is a critical problem for retrieval. However, fusion performance tends to easily overfit the hillclimb set used to learn fus...
164
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CIKM
2007
Springer
16 years 9 days ago
2007
Springer
Opinion retrieval is a document retrieval process, which requires documents to be retrieved and ranked according to their opinions about a query topic. A relevant document must sa...
177
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CIKM
2011
Springer
14 years 6 months ago
2011
Springer
In this paper, we reveal a common deficiency of the current retrieval models: the component of term frequency (TF) normalization by document length is not lower-bounded properly;...