Keyphrases
- language model
- language modeling
- n gram
- speech recognition
- probabilistic model
- document retrieval
- retrieval model
- dirichlet prior
- information retrieval
- statistical language models
- language modelling
- context sensitive
- query expansion
- mixture model
- language models for information retrieval
- smoothing methods
- vector space model
- document ranking
- query terms
- test collection
- relevance model
- passage retrieval
- document length
- cross lingual
- ad hoc information retrieval