Keyphrases
- language model
- language modeling
- document retrieval
- speech recognition
- n gram
- probabilistic model
- query expansion
- retrieval model
- information retrieval
- language modelling
- test collection
- mixture model
- context sensitive
- statistical language models
- vector space model
- word error rate
- document length
- ad hoc information retrieval
- smoothing methods
- translation model
- relevance model
- query terms
- natural language
- machine learning