Keyphrases
- language model
- information retrieval
- text generation
- language modeling
- document retrieval
- n gram
- query expansion
- natural language generation
- retrieval model
- test collection
- vector space model
- statistical language models
- language modelling
- context sensitive
- ir models
- probabilistic model
- speech recognition
- query terms
- relevance model
- document length
- information retrieval systems
- natural language
- passage retrieval
- text retrieval
- ad hoc information retrieval
- information extraction
- data mining
- document collections
- ad hoc retrieval
- pseudo relevance feedback
- relevant documents
- retrieval systems
- language models for information retrieval
- language modeling approaches