Keyphrases
- language model
- language modeling
- document retrieval
- n gram
- probabilistic model
- information retrieval
- retrieval model
- query expansion
- speech recognition
- context sensitive
- ad hoc information retrieval
- test collection
- mixture model
- query terms
- language modelling
- relevance model
- translation model
- statistical language models
- pseudo relevance feedback
- vector space model
- statistical machine translation
- word error rate
- multiword
- smoothing methods
- probability distribution
- machine learning
- information extraction
- language model for information retrieval