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