Keyphrases
- language model
- language modeling
- n gram
- probabilistic model
- information retrieval
- query expansion
- document retrieval
- dependency structure
- test collection
- retrieval model
- speech recognition
- statistical language models
- language modelling
- natural language
- context sensitive
- pseudo relevance feedback
- ad hoc information retrieval
- language model for information retrieval
- translation model
- vector space model
- query terms
- smoothing methods
- mixture model
- generative model
- co occurrence
- statistical language modeling
- search engine