21 search results - page 4 / 5 » Unsupervised discovery of morphologically related words base... |
ACL
2003
13 years 6 months ago
2003
This paper describes a classifier that assigns semantic thesaurus categories to unknown Chinese words (words not already in the CiLin thesaurus and the Chinese Electronic Dictiona...
FLAIRS
2007
13 years 7 months ago
2007
In this paper, we focus on the ontological concept extraction and evaluation process from HTML documents. In order to improve this process, we propose an unsupervised hierarchical...
FCSC
2010
13 years 2 months ago
2010
Graphical models have become the basic framework for topic based probabilistic modeling. Especially models with latent variables have proved to be effective in capturing hidden str...
ACL
1992
13 years 6 months ago
1992
For a very long time, it has been considered that the only way of automatically extracting similar groups of words from a text collection for which no semantic information exists ...
CVPR
2009
IEEE
15 years 16 days ago
2009
IEEE
In this paper, we propose a novel approach for learning generic visual vocabulary. We use diffusion maps to au-tomatically learn a semantic visual vocabulary from ab-undant quantiz...