Keyphrases
- language model
- language modeling
- n gram
- probabilistic model
- document retrieval
- retrieval model
- speech recognition
- query expansion
- statistical language models
- test collection
- smoothing methods
- ad hoc information retrieval
- information retrieval
- vector space model
- language modelling
- structured data
- term dependencies
- query terms
- word error rate
- translation model
- context sensitive
- query specific
- pseudo relevance feedback
- language models for information retrieval
- okapi bm
- document ranking
- information extraction