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Unified Medical Language System
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Identifier: 2473214
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Reference informationCommunity NLM National Library of Medicine, 8600 Rockville Pike, Bethesda, MD 20894. 
Reference informationThe purpose of NLM's Unified Medical Language System (UMLS) is to facilitate the development of computer systems that behave as if they "understand" the meaning of the language of biomedicine and health. To that end, NLM produces and distributes the UMLS Knowledge Sources and associated software tools for use in building or enhancing electronic information systems that create, process, retrieve, integrate, and/or aggregate biomedical and health data and information, as well as in informatics research. The UMLS Knowledge Sources are multi-purpose and can be applied in systems that perform a range of functions involving one or more types of information, e.g., patient records, scientific literature, guidelines, public health data. The associated software tools assist developers in customizing or using the UMLS Knowledge Sources. There are three UMLS Knowledge Sources: the Metathesaurus, the Semantic Network, and the SPECIALIST lexicon. Reference informationA research and development program initiated by the NATIONAL LIBRARY OF MEDICINE to build knowledge sources for the purpose of aiding the development of systems that help health professionals retrieve and integrate biomedical information. The knowledge sources can be used to link disparate information systems to overcome retrieval problems caused by differences in terminology and the scattering of relevant information across many databases. The three knowledge sources are the Metathesaurus, the Semantic Network, and the Specialist Lexicon. Reference information- Also known as
Term Preferred in Reference informationCommunity NLM UMLS Reference informationUnified Medical Language System life sciences Reference informationUnified Medical Language Reference informationNLM UMLS Reference information - Reference information
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