Keyphrases
- language model
- language modeling
- n gram
- document retrieval
- probabilistic model
- speech recognition
- language modelling
- information retrieval
- retrieval model
- statistical language models
- query expansion
- smoothing methods
- language model for information retrieval
- context sensitive
- query terms
- mixture model
- test collection
- vector space model
- translation model
- document ranking
- image database
- video database
- relevance model
- document length
- ad hoc information retrieval
- vector space
- query specific
- dependency structure
- expectation maximization
- maximum likelihood