Keyphrases
- language model
- language modeling
- n gram
- information retrieval
- probabilistic model
- speech recognition
- language modelling
- query expansion
- document retrieval
- retrieval model
- test collection
- context sensitive
- statistical language models
- language models for information retrieval
- ad hoc information retrieval
- translation model
- language model for information retrieval
- word error rate
- smoothing methods
- okapi bm
- document ranking
- automatic speech recognition
- vector space model
- machine learning
- query terms
- search engine