270 search results - page 23 / 54 » Language Modeling Using PLSA-Based Topic HMM |
CICLING
2010
Springer
13 years 11 months ago
2010
Springer
In this paper, we address both standard and focused retrieval tasks based on comprehensible language models and interactive query expansion (IQE). Query topics are expanded using a...
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...
TREC
2003
13 years 9 months ago
2003
In this paper, we report our experiments in the TREC 2003 Genomics Track and the Robust Track. A common theme that we explored is the robustness of a basic language modeling retri...
CIVR
2007
Springer
14 years 1 months ago
2007
Springer
We propose a robust scene recognition system for baseball broadcast videos. This system is based on the data-driven approach which has been successful in continuous speech recogni...
SIGIR
2004
ACM
14 years 1 months 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...