Keyphrases
- language model
- language modeling
- n gram
- retrieval model
- speech recognition
- document retrieval
- probabilistic model
- query expansion
- information retrieval
- language modelling
- test collection
- mixture model
- ad hoc information retrieval
- query terms
- smoothing methods
- statistical language models
- pseudo relevance feedback
- context sensitive
- vector space model
- novelty detection
- translation model
- document ranking
- query specific
- support vector
- labeled data
- machine learning