861 search results - page 134 / 173 » Information landscapes and the analysis of search algorithms |
116
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WWW
2008
ACM
15 years 11 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 ...
ICML
2004
IEEE
15 years 11 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...
CIVR
2007
Springer
15 years 4 months 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...
104
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CIKM
2007
Springer
15 years 4 months 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...
CIKM
2011
Springer
13 years 10 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;...