293 search results - page 6 / 59 » Semantic Language Models for Topic Detection and Tracking |
SDM
2009
SIAM
14 years 4 months ago
2009
SIAM
Document collections evolve over time, new topics emerge and old ones decline. At the same time, the terminology evolves as well. Much literature is devoted to topic evolution in ...
TREC
2003
13 years 9 months ago
2003
In this paper, we report our experiments on the Web Track TREC-2003. We submitted five runs for the topic distillation task. Our goal was to evaluate the standard language modeli...
CIKM
2006
Springer
13 years 11 months ago
2006
Springer
The detection of new information in a document stream is an important component of many potential applications. In this work, a new novelty detection approach based on the identif...
ACL
2010
13 years 5 months ago
2010
Probabilistic latent topic models have recently enjoyed much success in extracting and analyzing latent topics in text in an unsupervised way. One common deficiency of existing to...
TMRA
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. This paper describes a query algebra for tolog, a query language for Topic Maps inspired by Prolog and very similar to Datalog. The language is based on binding variables...