Knowledge-based query expansion to support scenario-specific retrieval of medical free text.
Zhenyu LiuWesley W. ChuPublished in: SAC (2005)
Keyphrases
- query expansion
- free text
- information retrieval systems
- information retrieval
- medical records
- information extraction
- retrieval model
- retrieval effectiveness
- relevance feedback
- text retrieval
- language modeling
- structured data
- ranked retrieval
- passage retrieval
- ad hoc retrieval
- pseudo relevance feedback
- original query
- language model
- relevant documents
- natural language processing
- query terms
- patient records
- automatic query expansion
- semi structured
- clinical guidelines
- query expansion methods
- query specific
- pseudo feedback
- relevance model
- medical data
- expert systems
- data mining
- natural language
- feature space
- image retrieval
- document collections