579 search results - page 13 / 116 » Modeling word burstiness using the Dirichlet distribution |
162
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EMNLP
2007
15 years 7 months ago
2007
In this paper, we proposed a novel probabilistic generative model to deal with explicit multiple-topic documents: Parametric Dirichlet Mixture Model(PDMM). PDMM is an expansion of...
178
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CVPR
2007
IEEE
16 years 8 months ago
2007
IEEE
We propose a novel unsupervised learning framework for activity perception. To understand activities in complicated scenes from visual data, we propose a hierarchical Bayesian mod...
159
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NIPS
2008
15 years 7 months ago
2008
We develop the syntactic topic model (STM), a nonparametric Bayesian model of parsed documents. The STM generates words that are both thematically and syntactically constrained, w...
169
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CIKM
2009
Springer
16 years 18 days ago
2009
Springer
In this paper, the task of text segmentation is approached from a topic modeling perspective. We investigate the use of latent Dirichlet allocation (LDA) topic model to segment a ...
171
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SIGIR
2009
ACM
16 years 16 days ago
2009
ACM
This paper addresses the problem of Named Entity Recognition in Query (NERQ), which involves detection of the named entity in a given query and classification of the named entity...