Keyphrases
- language model
- spatio temporal
- language modeling
- document retrieval
- n gram
- probabilistic model
- information retrieval
- speech recognition
- retrieval model
- language modelling
- context sensitive
- statistical language models
- test collection
- query terms
- language models for information retrieval
- search engine
- term dependencies
- vector space model
- query expansion
- translation model
- document ranking
- ad hoc information retrieval
- passage retrieval
- pseudo relevance feedback
- word error rate
- okapi bm
- web search
- language model for information retrieval