Keyphrases
- language model
- language modeling
- probabilistic model
- n gram
- information retrieval
- document retrieval
- speech recognition
- retrieval model
- mixture model
- language modelling
- test collection
- query expansion
- context sensitive
- query terms
- ad hoc information retrieval
- pseudo relevance feedback
- word error rate
- statistical language models
- translation model
- document ranking
- vector space model
- query specific
- retrieval effectiveness
- machine learning