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- W R Hersh.
- Biomedical Information Communication Center, Oregon Health Sciences University, Portland 97201.
- Med Decis Making. 1991 Oct 1; 11 (4 Suppl): S120-4.
AbstractSAPHIRE is a concept-based approach to information retrieval in the biomedical domain. Indexing and retrieval are based on a concept-matching algorithm that processes free text to identify concepts and map them to their canonical form. This process requires a large vocabulary containing a breadth of medical concepts and a diversity of synonym forms, which is provided by the Meta-1 vocabulary from the Unified Medical Language System Project of the National Library of Medicine. This paper describes the use of Meta-1 in SAPHIRE and an evaluation of both entities in the context of an information retrieval study.
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