Keyphrases
- language model
- language modeling
- n gram
- document retrieval
- probabilistic model
- speech recognition
- test collection
- information retrieval
- language modelling
- retrieval model
- statistical language models
- query expansion
- document ranking
- training set
- pseudo relevance feedback
- language models for information retrieval
- smoothing methods
- query terms
- translation model
- ad hoc information retrieval
- context sensitive
- vector space model
- spoken term detection
- pseudo feedback
- word error rate
- term dependencies
- relevance model
- web pages