Keyphrases
- language model
- language modeling
- n gram
- information retrieval
- document retrieval
- retrieval model
- probabilistic model
- statistical language models
- speech recognition
- query expansion
- test collection
- language modelling
- ad hoc information retrieval
- data model
- vector space model
- document ranking
- smoothing methods
- context sensitive
- knowledge discovery
- pseudo relevance feedback
- language model for information retrieval
- query terms
- document length
- web search
- data mining
- translation model
- word error rate