Keyphrases
- language model
- language modeling
- probabilistic model
- document retrieval
- speech recognition
- n gram
- language modelling
- retrieval model
- statistical language models
- knowledge discovery
- query expansion
- test collection
- language model for information retrieval
- document ranking
- query terms
- relevance model
- semantic information
- term dependencies
- hidden markov models
- decision trees
- ad hoc information retrieval
- language models for information retrieval
- information retrieval