2199 search results - page 9 / 440 » Information retrieval using hierarchical dirichlet processes |
CVPR
2008
IEEE
14 years 10 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...
SIGIR
2000
ACM
14 years 23 days ago
2000
ACM
We present a method of searching text collections that takes advantage of hierarchrical information within documents and integrates searches of structured and unstructured data. W...
ECIR
2009
Springer
14 years 5 months ago
2009
Springer
Algorithms that enable the process of automatically mining distinct topics in document collections have become increasingly important due to their applications in many fields and ...
SIGIR
2002
ACM
13 years 8 months ago
2002
ACM
We compare standard global IR searching with user-centric localized techniques to address the database selection problem. We conduct a series of experiments to compare the retriev...
SSPR
1998
Springer
14 years 19 days ago
1998
Springer
Abstract. The increase in accessability to on-line visual data has promoted the interest in browsing and retrieval of images from Image Databases. Current approaches assume either ...