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» Combining concept hierarchies and statistical topic models
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WWW
2008
ACM
14 years 6 months ago
Topic modeling with network regularization
In this paper, we formally define the problem of topic modeling with network structure (TMN). We propose a novel solution to this problem, which regularizes a statistical topic mo...
Qiaozhu Mei, Deng Cai, Duo Zhang, ChengXiang Zhai
IEICET
2008
110views more  IEICET 2008»
13 years 5 months ago
Language Modeling Using PLSA-Based Topic HMM
In this paper, we propose a PLSA-based language model for sports live speech. This model is implemented in unigram rescaling technique that combines a topic model and an n-gram. I...
Atsushi Sako, Tetsuya Takiguchi, Yasuo Ariki
SDM
2009
SIAM
235views Data Mining» more  SDM 2009»
14 years 2 months ago
Topic Cube: Topic Modeling for OLAP on Multidimensional Text Databases.
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
JCDL
2010
ACM
199views Education» more  JCDL 2010»
13 years 10 months ago
Crowdsourcing the assembly of concept hierarchies
The“wisdom of crowds”is accomplishing tasks that are cumbersome for individuals yet cannot be fully automated by means of specialized computer algorithms. One such task is the...
Kai Eckert, Mathias Niepert, Christof Niemann, Cam...
ICDE
2007
IEEE
125views Database» more  ICDE 2007»
13 years 11 months ago
Analyses and Fundamental ideas for a Relation Extraction Approach
Relation extraction is a difficult open research problem with important applications in several fields such as knowledge management, web mining, ontology building, intelligent sys...
Lobna Karoui, Marie-Aude Aufaure, Nacéra Be...