2261 search results - page 63 / 453 » Supervised Topic Models |
CIKM
2008
Springer
13 years 11 months ago
2008
Springer
Topic representation mismatch is a key problem in topic-oriented summarization for the specified topic is usually too short to understand/interpret. This paper proposes a novel ad...
ICRA
2005
IEEE
14 years 3 months ago
2005
IEEE
— Active contours have been widely used as image segmentation methods. The use of level set theory has provided more flexibility and convenience for the implementation of active...
IDA
2001
Springer
14 years 2 months ago
2001
Springer
Abstract. We propose a new unsupervised training method for acquiring probability models that accurately segment Chinese character sequences into words. By constructing a core lexi...
ACL
2008
13 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...
ICDM
2007
IEEE
14 years 4 months ago
2007
IEEE
Probabilistic latent semantic indexing (PLSI) represents documents of a collection as mixture proportions of latent topics, which are learned from the collection by an expectation...