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