Keyphrases
- language model
- language modeling
- probabilistic model
- document retrieval
- n gram
- query expansion
- speech recognition
- retrieval model
- information retrieval
- context sensitive
- language modelling
- multimedia
- statistical language models
- ad hoc information retrieval
- vector space model
- test collection
- smoothing methods
- document ranking
- translation model
- query terms
- machine learning
- pseudo relevance feedback
- relevance model
- vector space
- text retrieval
- web documents
- document length
- text categorization
- distance measure
- language models for information retrieval