4127 search results - page 431 / 826 » Evaluation methods for topic models |
160
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CIKM
2007
Springer
16 years 1 months ago
2007
Springer
As one of the most effective query expansion approaches, local feedback is able to automatically discover new query terms and improve retrieval accuracy for different retrieval ...
201
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CIKM
2007
Springer
15 years 8 months ago
2007
Springer
One aspect in which retrieving named entities is different from retrieving documents is that the items to be retrieved – persons, locations, organizations – are only indirect...
206
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CIKM
2011
Springer
14 years 6 months ago
2011
Springer
The study of information flow analyzes the principles and mechanisms of social information distribution. It is becoming an extremely important research topic in social network re...
218
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CVPR
2007
IEEE
16 years 8 months ago
2007
IEEE
In this paper we propose a new segmentation algorithm which combines patch-based information with edge cues under a probabilistic framework. We use a mixture of multiple Gaussians...
191
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GW
2007
Springer
16 years 1 months ago
2007
Springer
This paper presents a method of image processing used in a mono-vision system in order to study semiotic gestures. We present a robust method to track the hands and face of a perso...