579 search results - page 46 / 116 » Modeling word burstiness using the Dirichlet distribution |
155
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ICASSP
2010
IEEE
15 years 6 months ago
2010
IEEE
We present an approximation to the Bayesian hierarchical PitmanYor process language model which maintains the power law distribution over word tokens, while not requiring a comput...
151
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EMNLP
2007
15 years 7 months ago
2007
Many systems for tasks such as question answering, multi-document summarization, and information retrieval need robust numerical measures of lexical relatedness. Standard thesauru...
168
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CVPR
2006
IEEE
16 years 8 months ago
2006
IEEE
"Bag of words" models have enjoyed much attention and achieved good performances in recent studies of object categorization. In most of these works, local patches are mo...
179
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IAJIT
2011
15 years 1 months ago
2011
In this paper, we present an Arabic morphological analysis system that assigns, for each word of an unvoweled Arabic sentence, a unique root depending on the context. The proposed...
178
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SIGIR
2003
ACM
15 years 11 months ago
2003
ACM
Libraries have traditionally used manual image annotation for indexing and then later retrieving their image collections. However, manual image annotation is an expensive and labo...