Keyphrases
- language model
- natural language processing
- language modeling
- probabilistic model
- language modelling
- retrieval model
- speech recognition
- statistical language models
- information retrieval
- vector space model
- n gram
- query expansion
- information extraction
- document retrieval
- machine learning
- relevance model
- smoothing methods
- natural language
- query terms
- co occurrence
- document ranking
- named entity recognition
- sentiment analysis
- ad hoc information retrieval
- language models for information retrieval
- language model for information retrieval