Sciweavers

52 search results - page 2 / 11
» Bayesian Unsupervised Topic Segmentation
Sort
View
ACL
2010
13 years 2 months ago
Unsupervised Discourse Segmentation of Documents with Inherently Parallel Structure
Documents often have inherently parallel structure: they may consist of a text and ries, or an abstract and a body, or parts presenting alternative views on the same problem. Reve...
Minwoo Jeong, Ivan Titov
ICIP
2003
IEEE
14 years 6 months ago
Unsupervised Bayesian image segmentation using wavelet-domain hidden Markov models
In this paper, we study unsupervised image segmentation using wavelet-domain hidden Markov models (HMMs). We first review recent supervised Bayesian image segmentation algorithms ...
X. Song, G. Fan
ACL
2007
13 years 6 months ago
Finding document topics for improving topic segmentation
Topic segmentation and identification are often tackled as separate problems whereas they are both part of topic analysis. In this article, we study how topic identification can...
Olivier Ferret
ACL
2007
13 years 6 months ago
Making Sense of Sound: Unsupervised Topic Segmentation over Acoustic Input
We address the task of unsupervised topic segmentation of speech data operating over raw acoustic information. In contrast to existing algorithms for topic segmentation of speech,...
Igor Malioutov, Alex Park, Regina Barzilay, James ...
EMNLP
2007
13 years 6 months ago
Topic Segmentation with Hybrid Document Indexing
We present a domain-independent unsupervised topic segmentation approach based on hybrid document indexing. Lexical chains have been successfully employed to evaluate lexical cohe...
Irina Matveeva, Gina-Anne Levow