Keyphrases
- language model
- language modeling
- probabilistic model
- document retrieval
- speech recognition
- information retrieval
- n gram
- query expansion
- language modelling
- retrieval model
- context sensitive
- statistical language models
- test collection
- vector space model
- query terms
- document level
- language models for information retrieval
- language model for information retrieval
- ad hoc information retrieval
- word error rate
- retrieval effectiveness