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117
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CORR
2012
Springer
13 years 7 months ago
2012
Springer
Models of bags of words typically assume topic mixing so that the words in a single bag come from a limited number of topics. We show here that many sets of bag of words exhibit a...
NIPS
2001
15 years 1 months ago
2001
Unsupervised learning algorithms have been derived for several statistical models of English grammar, but their computational complexity makes applying them to large data sets int...
107
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BIBE
2007
IEEE
15 years 6 months ago
2007
IEEE
—We present an information retrieval model for combining evidence from concept-based semantics, term statistics, and context for improving search precision of genomics literature...
ECAI
2008
Springer
15 years 1 months ago
2008
Springer
The accurate tracking and retrieval of content pedigree is a quickly growing requirement as our abilities to create information assets increases exponentially. Plagiarism detection...
112
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JACM
2010
14 years 10 months ago
2010
clustering of documents according to sharing of topics at multiple levels of abstraction. Given a corpus of documents, a posterior inference algorithm finds an approximation to a ...