Keyphrases
- language model
- speech recognition
- word error rate
- automatic speech recognition
- language modeling
- n gram
- document retrieval
- test collection
- speech signal
- retrieval model
- query expansion
- information retrieval
- probabilistic model
- language modelling
- context sensitive
- ad hoc information retrieval
- vector space model
- pseudo relevance feedback
- statistical language models
- mixture model
- document ranking
- document length
- language models for information retrieval
- query terms
- tf idf
- relevance model
- query specific
- smoothing methods
- machine learning