146 search results - page 15 / 30 » Detecting Topic Drift with Compound Topic Models |
HICSS
2010
IEEE
13 years 7 months ago
2010
IEEE
The amount of textual data that is available for researchers and businesses to analyze is increasing at a dramatic rate. This reality has led IS researchers to investigate various...
NIPS
2004
13 years 8 months ago
2004
The problem of detecting "atypical objects" or "outliers" is one of the classical topics in (robust) statistics. Recently, it has been proposed to address this...
COLING
2010
13 years 2 months ago
2010
In this paper, we describe a novel approach to computational modeling and understanding of social and cultural phenomena in multi-party dialogues. We developed a two-tier approach...
CVPR
2008
IEEE
14 years 9 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
2004
ACM
14 years 24 days ago
2004
ACM
In this paper we study the problem of finding most topical named entities among all entities in a document, which we refer to as focused named entity recognition. We show that th...