Keyphrases
- language model
- language modeling
- information retrieval
- query expansion
- document retrieval
- probabilistic model
- speech recognition
- language modelling
- n gram
- statistical language models
- retrieval model
- query terms
- test collection
- vector space model
- context sensitive
- semantic information
- ad hoc information retrieval
- retrieval effectiveness
- relevance model
- semantic similarity
- language models for information retrieval
- smoothing methods
- spoken term detection
- language model for information retrieval
- document ranking
- translation model
- web documents
- keywords