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