4127 search results - page 38 / 826 » Evaluation methods for topic models |
WWW
2011
ACM
14 years 4 months ago
2011
ACM
This paper studies the problem of discovering and comparing geographical topics from GPS-associated documents. GPSassociated documents become popular with the pervasiveness of loc...
TREC
2007
14 years 11 months ago
2007
This paper introduced the four tracks that WIM-Lab Fudan University had taken part in at TREC 2007. For spam track, a multi-centre model was proposed considering the characteristi...
106
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WWW
2007
ACM
15 years 10 months ago
2007
ACM
Hierarchical models are commonly used to organize a Website's content. A Website's content structure can be represented by a topic hierarchy, a directed tree rooted at a...
104
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CVPR
2004
IEEE
15 years 1 months ago
2004
IEEE
Tracking of humans in dynamic scenes has been an important topic of research. Most techniques, however, are limited to situations where humans appear isolated and occlusion is sma...
ISI
2007
Springer
15 years 3 months ago
2007
Springer
— Often document dissemination is limited to a “need to know” basis so as to better maintain organizational trade secrets. Retrieving documents that are off-topic to a user...