Knowledge-based query expansion to support scenario-specific retrieval of medical free text.
Zhenyu LiuWesley W. ChuPublished in: Inf. Retr. (2007)
Keyphrases
- query expansion
- free text
- information retrieval systems
- medical records
- information retrieval
- relevance feedback
- information extraction
- retrieval model
- text retrieval
- language model
- ad hoc retrieval
- retrieval effectiveness
- natural language processing
- automatic query expansion
- patient records
- passage retrieval
- structured data
- pseudo relevance feedback
- relevant documents
- language modeling
- original query
- initial query
- query terms
- ranked retrieval
- query specific
- relevance model
- interactive query expansion
- biomedical information retrieval
- blog feed search
- clinical guidelines
- controlled vocabulary
- retrieved documents
- semi structured
- document retrieval
- databases
- query expansion methods
- data sets
- probabilistic retrieval model
- database