Keyphrases
- language model
- language modeling
- n gram
- document retrieval
- probabilistic model
- information retrieval
- query expansion
- context sensitive
- retrieval model
- speech recognition
- language modelling
- statistical language models
- query terms
- smoothing methods
- test collection
- ad hoc information retrieval
- relevance model
- vector space model
- translation model
- language model for information retrieval
- document ranking
- pseudo relevance feedback
- okapi bm
- cross lingual