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ACL
2012
7 years 4 months ago
SITS: A Hierarchical Nonparametric Model using Speaker Identity for Topic Segmentation in Multiparty Conversations
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...
Viet-An Nguyen, Jordan L. Boyd-Graber, Philip Resn...
JMLR
2010
100views more  JMLR 2010»
8 years 9 months ago
Discriminative Topic Segmentation of Text and Speech
We explore automated discovery of topicallycoherent segments in speech or text sequences. We give two new discriminative topic segmentation algorithms which employ a new measure o...
Mehryar Mohri, Pedro Moreno, Eugene Weinstein
EMNLP
2010
9 years 9 days ago
Exploiting Conversation Structure in Unsupervised Topic Segmentation for Emails
This work concerns automatic topic segmentation of email conversations. We present a corpus of email threads manually annotated with topics, and evaluate annotator reliability. To...
Shafiq R. Joty, Giuseppe Carenini, Gabriel Murray,...
EMNLP
2007
9 years 3 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
ACL
2007
9 years 3 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 ...
ACL
2007
9 years 3 months ago
Finding document topics for improving topic segmentation
Topic segmentation and identiļ¬cation are often tackled as separate problems whereas they are both part of topic analysis. In this article, we study how topic identiļ¬cation can...
Olivier Ferret
NLPRS
2001
Springer
9 years 6 months ago
Topic Segmentation : A First Stage to Dialog-Based Information Extraction
We study the problem of topic segmentation of manually transcribed speech in order to facilitate information extraction from dialogs. Our approach is based on a combination of mul...
Narjès Boufaden, Guy Lapalme, Yoshua Bengio
MIR
2003
ACM
94views Multimedia» more  MIR 2003»
9 years 7 months ago
Threading news video topics
We introduce a method to extract topic threads throughout a large-scale news video corpus as well as an interface that provides the users with the facility to browse through the c...
Ichiro Ide, Hiroshi Mo, Norio Katayama
ISMIS
2005
Springer
9 years 7 months ago
A Machine Text-Inspired Machine Learning Approach for Identification of Transmembrane Helix Boundaries
In this paper, we adapt a statistical learning approach, inspired by automated topic segmentation techniques in speech-recognized documents to the challenging protein segmentation ...
Betty Yee Man Cheng, Jaime G. Carbonell, Judith Kl...
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