Keyphrases
- language model
- language modeling
- n gram
- probabilistic model
- document retrieval
- language modelling
- speech recognition
- retrieval model
- information retrieval
- query expansion
- test collection
- context sensitive
- ad hoc information retrieval
- smoothing methods
- retrieval effectiveness
- query terms
- statistical language models
- okapi bm
- language model for information retrieval
- relevance model
- translation model
- word error rate