162 search results - page 20 / 33 » Latent Dirichlet Allocation |
MMM
2010
Springer
14 years 7 months ago
2010
Springer
In this paper, we introduce and evaluate two novel approaches, one using video stream and the other using close-caption text stream, for segmenting TV news into stories. The segmen...
WIAMIS
2009
IEEE
14 years 5 months ago
2009
IEEE
This paper suggests an alternative solution for the task of spoken document retrieval (SDR). The proposed system runs retrieval on multi-level transcriptions (word and phone) prod...
ICASSP
2008
IEEE
14 years 5 months ago
2008
IEEE
Language model (LM) adaptation is often achieved by combining a generic LM with a topic-specific model that is more relevant to the target document. Unlike previous work on unsup...
NIPS
2003
14 years 7 days ago
2003
We address the problem of learning topic hierarchies from data. The model selection problem in this domain is daunting—which of the large collection of possible trees to use? We...
CIKM
2011
Springer
12 years 11 months ago
2011
Springer
We introduce a generative probabilistic document model based on latent Dirichlet allocation (LDA), to deal with textual errors in the document collection. Our model is inspired by...