359 search results - page 64 / 72 » Document clustering using word clusters via the information ... |
CCIA
2007
Springer
14 years 1 months ago
2007
Springer
Polysemy is one of the most difficult problems when dealing with natural language resources. Consequently, automated ontology learning from textual sources (such as web resources) ...
ACL
2010
13 years 5 months ago
2010
The emergence of social media brings chances, but also challenges, to linguistic analysis. In this paper we investigate a novel problem of discovering patterns based on emotion an...
Publication
Non-negative matrix factorization (NMF) has become a standard tool in data mining, information retrieval, and signal processing. It is used to factorize a non-negative data matrix ...
CPHYSICS
2006
13 years 7 months ago
2006
A new stochastic clustering algorithm is introduced that aims to locate all the local minima of a multidimensional continuous and differentiable function inside a bounded domain. ...
IEEECIT
2009
IEEE
14 years 2 months ago
2009
IEEE
As web forum has become an enormous collection of highly valuable opinions and commentaries, more and more researchers express strong interests on it. However, most of them pay at...