378 search results - page 7 / 76 » Finding document topics for improving topic segmentation |
73
Voted
RIAO
2000
14 years 11 months ago
2000
Hierarchies have been used for organization, summarization, and access to information, yet a lingering issue is how best to construct them. In this paper, our goal is to automatic...
74
Voted
DATESO
2004
14 years 11 months ago
2004
Approach based on clustering will be described in our paper. Basic version of our system was given in [5] allows us to expand query through special index. Hierarchical agglomerativ...
CIKM
2009
Springer
14 years 7 months ago
2009
Springer
Traditional models of information retrieval assume documents are independently relevant. But when the goal is retrieving diverse or novel information about a topic, retrieval mode...
ACL
2006
14 years 11 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...
73
Voted
EMNLP
2008
14 years 11 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...