52 search results - page 1 / 11 » Bayesian Unsupervised Topic Segmentation |
EMNLP
2008
13 years 6 months ago
2008
This paper describes a novel Bayesian approach to unsupervised topic segmentation. Unsupervised systems for this task are driven by lexical cohesion: the tendency of wellformed se...
ACL
2006
13 years 6 months ago
2006
We present a method for unsupervised topic modelling which adapts methods used in document classification (Blei et al., 2003; Griffiths and Steyvers, 2004) to unsegmented multi-pa...
CVPR
2009
IEEE
13 years 7 months ago
2009
IEEE
Segmentation of document images remains a challenging vision problem. Although document images have a structured layout, capturing enough of it for segmentation can be difficult....
ACL
2012
11 years 7 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...
ACL
2008
13 years 6 months ago
2008
This paper explores the relationship between discourse structure and coverbal gesture. Using the idea of gestural cohesion, we show that coherent topic segments are characterized ...