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