Keyphrases
- language model
- language modeling
- probabilistic model
- document retrieval
- n gram
- information retrieval
- speech recognition
- language modelling
- smoothing methods
- test collection
- retrieval model
- query expansion
- context sensitive
- document ranking
- query terms
- document length
- statistical language models
- language model for information retrieval
- vector space model
- pseudo relevance feedback
- relevance model
- search engine
- ad hoc information retrieval
- language models for information retrieval
- machine learning
- error rate
- query processing
- language modeling approaches
- spoken term detection