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