Evaluation of Meta-1 for a concept-based approach to the automated indexing and retrieval of bibliographic and full-text databases
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- PMID: 1770841
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Evaluation of Meta-1 for a concept-based approach to the automated indexing and retrieval of bibliographic and full-text databases
Med Decis Making.
1991 Oct-Dec.
Abstract
SAPHIRE 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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