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