Keyphrases
- language model
- language modeling
- n gram
- document retrieval
- probabilistic model
- retrieval model
- information retrieval
- question answering
- speech recognition
- query expansion
- test collection
- language modelling
- ad hoc information retrieval
- query terms
- context sensitive
- pseudo relevance feedback
- statistical language models
- language models for information retrieval
- vector space model
- translation model
- document ranking
- smoothing methods
- feature selection
- cross language retrieval
- word error rate
- language model for information retrieval
- okapi bm
- natural language processing
- bayesian networks
- search engine