Keyphrases
- language model
- language modeling
- probabilistic model
- n gram
- document retrieval
- language modelling
- statistical language models
- speech recognition
- test collection
- retrieval model
- query expansion
- information retrieval
- ad hoc information retrieval
- smoothing methods
- document ranking
- language model for information retrieval
- pseudo relevance feedback
- context sensitive
- query terms
- active learning
- language models for information retrieval
- vector space model
- relevance model
- passage retrieval
- translation model
- information extraction
- okapi bm
- keywords
- machine learning