Keyphrases
- language model
- language modeling
- probabilistic model
- generative model
- document retrieval
- language modelling
- information retrieval
- language modeling framework
- query expansion
- n gram
- test collection
- retrieval model
- speech recognition
- smoothing methods
- context sensitive
- statistical language models
- language models for information retrieval
- ad hoc information retrieval
- pseudo relevance feedback
- relevance model
- document ranking
- machine learning
- language model for information retrieval
- vector space model
- passage retrieval
- term dependencies
- expectation maximization
- information retrieval systems
- information extraction