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