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