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