Keyphrases
- language model
- language modeling
- n gram
- document retrieval
- query expansion
- retrieval model
- statistical language models
- probabilistic model
- test collection
- context sensitive
- information retrieval
- speech recognition
- vector space model
- smoothing methods
- language modelling
- ad hoc information retrieval
- language model for information retrieval
- query terms
- web search
- information extraction
- translation model
- machine learning
- statistical language modeling