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