10615 search results - page 33 / 2123 » Dynamic topic models |
SOCIALCOM
2010
13 years 7 months ago
2010
Text data pertaining to socio-technical networks often are analyzed separately from relational data, or are reduced to the fact and strength of the flow of information between node...
WSDM
2012
ACM
12 years 5 months ago
2012
ACM
This paper presents a novel opinion mining research problem, which is called Contrastive Opinion Modeling (COM). Given any query topic and a set of text collections from multiple ...
AIED
2007
Springer
14 years 1 months ago
2007
Springer
This paper describes new techniques for assessing pedagogical discourse via threaded discussions that are based on an analysis of speech acts and course topics. The context is an u...
ICML
2009
IEEE
14 years 10 months ago
2009
IEEE
Users of topic modeling methods often have knowledge about the composition of words that should have high or low probability in various topics. We incorporate such domain knowledg...
WWW
2008
ACM
14 years 10 months ago
2008
ACM
We propose a new method to select relevant images to the given keywords from images gathered from the Web based on the Probabilistic Latent Semantic Analysis (PLSA) model which is...