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39

SDM
2009
SIAM

235views Data Mining» more SDM 2009»

Topic Cube: Topic Modeling for OLAP on Multidimensional Text Databases.

14 years 5 months ago

As the amount of textual information grows explosively in various kinds of business systems, it becomes more and more desirable to analyze both structured data records and unstruc...

ChengXiang Zhai, Duo Zhang, Jiawei Han

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42

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ACL
2010

227views Computational Linguistics» more ACL 2010»

PCFGs, Topic Models, Adaptor Grammars and Learning Topical Collocations and the Structure of Proper Names

13 years 6 months ago

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This paper establishes a connection between two apparently very different kinds of probabilistic models. Latent Dirichlet Allocation (LDA) models are used as "topic models&qu...

Mark Johnson

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30

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ACL
2007

144views Computational Linguistics» more ACL 2007»

Unsupervised Language Model Adaptation Incorporating Named Entity Information

13 years 10 months ago

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Language model (LM) adaptation is important for both speech and language processing. It is often achieved by combining a generic LM with a topic-specific model that is more releva...

Feifan Liu, Yang Liu

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34

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CIKM
2009
Springer

176views Information Technology» more CIKM 2009»

Topic and keyword re-ranking for LDA-based topic modeling

14 years 3 months ago

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Topic-based text summaries promise to help average users quickly understand a text collection and derive insights. Recent research has shown that the Latent Dirichlet Allocation (...

Yangqiu Song, Shimei Pan, Shixia Liu, Michelle X. ...

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22

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ICWSM
2009

108views Internet Technology» more ICWSM 2009»

Detecting Topic Drift with Compound Topic Models

13 years 6 months ago