4127 search results - page 28 / 826 » Evaluation methods for topic models |
CORR
2004
Springer
14 years 9 months ago
2004
Springer
We are developing a cross-media information retrieval system, in which users can view specific segments of lecture videos by submitting text queries. To produce a text index, the ...
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ICDM
2010
IEEE
14 years 7 months ago
2010
IEEE
: D-LDA: A Topic Modeling Approach without Constraint Generation for Semi-Defined Classification Fuzhen Zhuang, Ping Luo, Zhiyong Shen, Qing He, Yuhong Xiong, Zhongzhi Shi HP Labo...
IJCNLP
2005
Springer
15 years 3 months ago
2005
Springer
Traditional text categorization is usually a topic-based task, but a subtle demand on information retrieval is to distinguish between positive and negative view on text topic. In t...
ACL
2008
14 years 11 months ago
2008
This paper is concerned with the problem of question search. In question search, given a question as query, we are to return questions semantically equivalent or close to the quer...
ISCI
2007
14 years 9 months ago
2007
We propose a semantic passage segmentation method for a Question Answering (QA) system. We define a semantic passage as sentences grouped by semantic coherence, determined by the...