Keyphrases
- language model
- language modeling
- document retrieval
- probabilistic model
- speech recognition
- language modelling
- n gram
- query expansion
- retrieval model
- information retrieval
- context sensitive
- test collection
- statistical language models
- ad hoc information retrieval
- document ranking
- smoothing methods
- language models for information retrieval
- pseudo relevance feedback
- translation model
- query terms
- vector space model
- relevance model
- information retrieval systems
- term dependencies
- machine learning
- language modeling approaches