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