Keyphrases
- language model
- language modeling
- n gram
- probabilistic model
- speech recognition
- document retrieval
- retrieval model
- language modelling
- query expansion
- information retrieval
- context sensitive
- vector space model
- query terms
- test collection
- ad hoc information retrieval
- mixture model
- statistical language models
- pseudo relevance feedback
- smoothing methods
- text classification
- relevance model
- translation model
- document length
- word error rate
- language model for information retrieval
- document ranking
- pseudo feedback
- language models for information retrieval