579 search results - page 49 / 116 » Modeling word burstiness using the Dirichlet distribution |
189
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KDD
2007
ACM
16 years 6 months ago
2007
ACM
Multinomial distributions over words are frequently used to model topics in text collections. A common, major challenge in applying all such topic models to any text mining proble...
159
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CVPR
2004
IEEE
16 years 8 months ago
2004
IEEE
Retrieving images in response to textual queries requires some knowledge of the semantics of the picture. Here, we show how we can do both automatic image annotation and retrieval...
189
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
This paper addresses the issue of query refinement, which involves reformulating ill-formed search queries in order to enhance relevance of search results. Query refinement typica...
161
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VISAPP
2008
15 years 7 months ago
2008
In this paper we propose a method for continuous learning of simple visual concepts. The method continuously associates words describing observed scenes with automatically extracte...
133
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WSC
2004
15 years 7 months ago
2004
Developing a sequential simulation program is not an easy task. Developing a distributed simulation program is harder than a sequential one because it is necessary to deal with ma...