106 search results - page 3 / 22 » Automatic Topic Identification Using Ontology Hierarchy |
ECAI
2008
Springer
13 years 7 months ago
2008
Springer
Determining the size of an ontology that is automatically learned from texts is an open issue. In this paper, we study the similarity between ontology concepts at different levels ...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
In this paper we investigate a discriminative approach to feature weighting for topic identification using minimum classification error (MCE) training. Our approach learns featu...
IJCAI
2007
13 years 6 months ago
2007
We evaluate a new hybrid language processing approach designed for interactive applications that maintain an interaction with users over multiple turns. Specifically, we describe ...
DEXAW
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract-- In the age of Web 2.0 people organize large collections of web pages, articles, or emails in hierarchies of topics, or arrange a large body of knowledge in ontologies. T...
SIGIR
2003
ACM
13 years 10 months ago
2003
ACM
Hierarchies provide a means of organizing, summarizing and accessing information. We describe a method for automatically generating hierarchies from small collections of text, and...