Keyphrases
- language model
- language modeling
- n gram
- document retrieval
- probabilistic model
- query expansion
- speech recognition
- test collection
- retrieval model
- information retrieval
- language modelling
- context sensitive
- statistical language models
- language models for information retrieval
- document ranking
- pseudo relevance feedback
- word error rate
- smoothing methods
- ad hoc information retrieval
- vector space model
- cross lingual
- translation model
- retrieval effectiveness
- text retrieval
- hidden markov models
- okapi bm
- statistical language modeling
- search engine