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