PLSA-based topic detection in meetings for adaptation of lexicon and language model.
Yuya AkitaYusuke NemotoTatsuya KawaharaPublished in: INTERSPEECH (2007)
Keyphrases
- language model
- topic detection
- document level
- word clouds
- probabilistic model
- language modeling
- information retrieval
- n gram
- text classification
- document retrieval
- query expansion
- document collections
- retrieval model
- document clustering
- vector space model
- text data
- test collection
- co occurrence
- topic models
- query terms
- generative model
- relevance model
- visual features
- audio visual
- pseudo relevance feedback
- topic modeling
- natural language
- text categorization
- passage retrieval
- bayesian networks
- search engine