Keyphrases
- language model
- language modeling
- n gram
- document retrieval
- speech recognition
- retrieval model
- information retrieval
- test collection
- probabilistic model
- language modelling
- query expansion
- pseudo relevance feedback
- language model for information retrieval
- statistical language models
- word error rate
- ad hoc information retrieval
- context sensitive
- query terms
- smoothing methods
- supervised learning
- document ranking
- relevance model
- document length
- mixture model
- training set
- statistical machine translation
- dependency structure