Keyphrases
- language model
- language modeling
- n gram
- probabilistic model
- speech recognition
- document retrieval
- query expansion
- retrieval model
- statistical language models
- information retrieval
- language modelling
- document ranking
- relevance model
- vector space model
- test collection
- knowledge discovery
- query terms
- term dependencies
- context sensitive
- information retrieval systems
- ad hoc information retrieval
- language models for information retrieval