293 search results - page 1 / 59 » Semantic Language Models for Topic Detection and Tracking |
NAACL
2003
13 years 6 months ago
2003
In this work, we present a new semantic language modeling approach to model news stories in the Topic Detection and Tracking (TDT) task. In the new approach, we build a unigram la...
TREC
2007
2007
Exploring Traits of Adjectives to Predict Polarity Opinion in Blogs and Semantic Filters in Genomics
13 years 5 months ago
: This paper presents the results of our team in the Genomics and Blog tracks in TREC 2007. We used the language model implementation provided by Indri for both tracks. For the BLO...
ICIP
2006
IEEE
14 years 6 months ago
2006
IEEE
Videos from distributed sources (e.g., broadcasts, podcasts, blogs, etc.) have grown exponentially. Topic threading is very useful for organizing such large-volume information sou...
SIGIR
2004
ACM
13 years 10 months ago
2004
ACM
Topic tracking is complicated when the stories in the stream occur in multiple languages. Typically, researchers have trained only English topic models because the training storie...
CVPR
2008
IEEE
14 years 6 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...