378 search results - page 1 / 76 » Finding document topics for improving topic segmentation |
ACL
2007
13 years 6 months ago
2007
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...
JCDL
2009
ACM
13 years 11 months ago
2009
ACM
We propose a generative model based on latent Dirichlet allocation for mining distinct topics in document collections by integrating the temporal ordering of documents into the ge...
AAAI
2010
13 years 5 months ago
2010
This paper presents the Topic-Aspect Model (TAM), a Bayesian mixture model which jointly discovers topics and aspects. We broadly define an aspect of a document as a characteristi...
ACL
1994
13 years 5 months ago
1994
This article outlines a new method of locating discourse boundaries based on lexical cohesion and a graphical technique called dotplotting. The application of dotplotting to disco...
ECIR
2007
Springer
13 years 6 months ago
2007
Springer
A common task in many applications is to find persons who are knowledgeable about a given topic (i.e., expert finding). In this paper, we propose and develop a general probabilis...