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