Keyphrases
- language model
- language modeling
- language modeling approaches
- n gram
- clustering algorithm
- speech recognition
- probabilistic model
- sentence retrieval
- language modelling
- retrieval model
- statistical language models
- dependency structure
- document level
- test collection
- document retrieval
- information retrieval
- query expansion
- k means
- clustering method
- natural language
- context sensitive
- spectral clustering
- language models for information retrieval
- smoothing methods
- language model for information retrieval
- training set
- translation model
- vector space model
- multiword
- relevance model
- pseudo relevance feedback
- ad hoc information retrieval
- document ranking
- multi document summarization
- cross lingual
- document clustering
- query terms