Dynamic language model adaptation using keyword category classification.
Hitoshi YamamotoKen HanazawaKiyokazu MikiKoichi ShinodaPublished in: INTERSPEECH (2010)
Keyphrases
- language model
- language modeling
- n gram
- speech recognition
- document retrieval
- probabilistic model
- context sensitive
- query expansion
- information retrieval
- retrieval model
- image classification
- text classification
- statistical language models
- mixture model
- translation model
- test collection
- decision trees
- feature selection
- language modelling
- smoothing methods
- vector space model
- query terms
- machine learning
- keywords
- classification accuracy
- clustering algorithm
- document ranking
- feature space
- model selection
- ad hoc information retrieval