31 search results - page 2 / 7 » A mixture model for contextual text mining |
KDD
2004
ACM
14 years 6 months ago
2004
ACM
In a wide range of business areas dealing with text data streams, including CRM, knowledge management, and Web monitoring services, it is an important issue to discover topic tren...
ICDM
2007
IEEE
13 years 12 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...
WWW
2007
ACM
14 years 6 months ago
2007
ACM
In this paper, we define the problem of topic-sentiment analysis on Weblogs and propose a novel probabilistic model to capture the mixture of topics and sentiments simultaneously....
ICMCS
2005
IEEE
13 years 11 months ago
2005
IEEE
This paper considers dynamic language model adaptation for Mandarin broadcast news recognition. Both contemporary newswire texts and in-domain automatic transcripts were exploited...
KDD
2007
ACM
13 years 11 months ago
2007
ACM
Mixture models form one of the most widely used classes of generative models for describing structured and clustered data. In this paper we develop a new approach for the analysis...