293 search results - page 4 / 59 » Semantic Language Models for Topic Detection and Tracking |
WEBI
2009
Springer
14 years 10 days ago
2009
Springer
—This paper presents an approach using social semantics for the task of topic labelling by means of Open Topic Models. Our approach utilizes a social ontology to create an alignm...
SIGIR
2002
ACM
13 years 5 months ago
2002
ACM
Topic tracking and information filtering are models of interactive tasks, but their evaluations are generally done in a way that does not reflect likely usage. The models either f...
SIGIR
2002
ACM
13 years 5 months ago
2002
ACM
Topic Detection and Tracking (TDT) tasks are evaluated using a cost function. The standard TDT cost function assumes a constant probability of relevance P(rel) across all topics. ...
NAACL
2004
13 years 7 months ago
2004
Entity detection and tracking is a relatively new addition to the repertoire of natural language tasks. In this paper, we present a statistical language-independent framework for ...
NIPS
2004
13 years 7 months ago
2004
In this paper we propose a probabilistic model for online document clustering. We use non-parametric Dirichlet process prior to model the growing number of clusters, and use a pri...