Keyphrases
- language model
- language modeling
- document retrieval
- probabilistic model
- n gram
- speech recognition
- query expansion
- retrieval model
- information retrieval
- language modelling
- test collection
- smoothing methods
- context sensitive
- relevance model
- ad hoc information retrieval
- language models for information retrieval
- query terms
- statistical language models
- search engine
- pseudo relevance feedback
- vector space model
- retrieval effectiveness
- passage retrieval
- word error rate
- information retrieval systems
- knn
- language model for information retrieval