Keyphrases
- language model
- language modeling
- probabilistic model
- document retrieval
- information retrieval
- language modelling
- statistical language models
- retrieval model
- n gram
- speech recognition
- query expansion
- context sensitive
- knowledge base
- query terms
- test collection
- smoothing methods
- mixture model
- vector space model
- pseudo relevance feedback
- language models for information retrieval
- belief revision
- relevance model
- translation model
- language model for information retrieval
- term dependencies
- word error rate
- generative model
- okapi bm
- ad hoc information retrieval