Keyphrases
- language model
- language modeling
- n gram
- document retrieval
- probabilistic model
- retrieval model
- language modelling
- context sensitive
- speech recognition
- query expansion
- information retrieval
- test collection
- ad hoc information retrieval
- query terms
- smoothing methods
- vector space model
- statistical language models
- language models for information retrieval
- document length
- term dependencies
- relevance model
- multi document summarization
- pseudo relevance feedback
- game playing
- retrieval effectiveness