301 search results - page 5 / 61 » Topic models with power-law using Pitman-Yor process |
MCM
2011
13 years 22 days ago
2011
We consider a polymerization (fragmentation) model with size-dependent parameters involved in prion proliferation. Using power laws for the different rates of this model, we reco...
ACL
2012
11 years 8 months ago
2012
One of the key tasks for analyzing conversational data is segmenting it into coherent topic segments. However, most models of topic segmentation ignore the social aspect of conver...
SIGKDD
2010
13 years 4 months ago
2010
Social tagging on online portals has become a trend now. It has emerged as one of the best ways of associating metadata with web objects. With the increase in the kinds of web obj...
WSDM
2012
ACM
12 years 1 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 ...
CIKM
2009
Springer
14 years 11 days ago
2009
Springer
Topic-based text summaries promise to help average users quickly understand a text collection and derive insights. Recent research has shown that the Latent Dirichlet Allocation (...