Keyphrases
- language model
- language modeling
- n gram
- document retrieval
- speech recognition
- probabilistic model
- information retrieval
- retrieval model
- language modelling
- language model for information retrieval
- context sensitive
- query expansion
- ad hoc information retrieval
- statistical language models
- smoothing methods
- test collection
- pseudo relevance feedback
- vector space model
- xml retrieval
- word error rate
- document ranking
- cross language
- relevance model
- language modeling framework
- information retrieval systems