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