28 search results - page 5 / 6 » An unsupervised hierarchical approach to document categoriza... |
WWW
2004
ACM
14 years 6 months ago
2004
ACM
The success of the Semantic Web depends on the availability of ontologies as well as on the proliferation of web pages annotated with metadata conforming to these ontologies. Thus...
CVPR
2008
IEEE
14 years 7 months ago
2008
IEEE
We propose a novel nonparametric Bayesian model, Dual Hierarchical Dirichlet Processes (Dual-HDP), for trajectory analysis and semantic region modeling in surveillance settings, i...
KDD
2007
ACM
13 years 11 months ago
2007
ACM
Mixture models form one of the most widely used classes of generative models for describing structured and clustered data. In this paper we develop a new approach for the analysis...
KDD
2004
ACM
14 years 5 months ago
2004
ACM
Subspace learning approaches have attracted much attention in academia recently. However, the classical batch algorithms no longer satisfy the applications on streaming data or la...
ICDM
2009
IEEE
13 years 12 months ago
2009
IEEE
—Knowledge discovery from scientific articles has received increasing attentions recently since huge repositories are made available by the development of the Internet and digit...