530 search results - page 16 / 106 » Structural Topic Model for Latent Topical Structure Analysis |
EMNLP
2008
13 years 10 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...
ICML
2007
IEEE
14 years 9 months ago
2007
IEEE
The four-level pachinko allocation model (PAM) (Li & McCallum, 2006) represents correlations among topics using a DAG structure. It does not, however, represent a nested hiera...
SIGIR
2004
ACM
14 years 2 months ago
2004
ACM
In this paper, we introduce an information theoretic method for estimating the usefulness of the hyperlink structure induced from the set of retrieved documents. We evaluate the e...
WWW
2002
ACM
14 years 9 months ago
2002
ACM
The Web graph is a giant social network whose properties have been measured and modeled extensively in recent years. Most such studies concentrate on the graph structure alone, an...
AAAI
2006
13 years 10 months ago
2006
This paper presents multi-conditional learning (MCL), a training criterion based on a product of multiple conditional likelihoods. When combining the traditional conditional proba...