Keyphrases
- language model
- language modeling
- probabilistic model
- document retrieval
- n gram
- language modelling
- retrieval model
- query expansion
- speech recognition
- context sensitive
- information retrieval
- test collection
- vector space model
- ad hoc information retrieval
- statistical language models
- pseudo relevance feedback
- document ranking
- smoothing methods
- word error rate
- document length
- query terms
- term dependencies
- okapi bm
- text mining
- language models for information retrieval
- language modeling approaches