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