The medical thesaurus MeSH (Medical Subject Headings) and the UMLS (Unified Medical Language System) as a metathesaurus and semantic network are used for cataloging of library holdings, indexing of databases and improvement of retrieval.
The Medical Subject Headings (MeSH) are a medical thesaurus published and annually updated by the US National Library of Medicine (NLM). It is used for cataloging of the library holdings and for indexing of the databases that are produced by the NLM (e.g. MEDLINE). DIMDI maintains and publishes the German translation of MeSH. more »
The Unified Medical Language System consolidates more then 100 heterogenous biomedical vocabularies into a metathesaurus and a semantic network. The Specialist Lexicon supports computer-based processing of biomedical narratives. DIMDI supplies the UMLS with extensive German-language vocabularies annually and therewith made German the second most frequent language in the metathesaurus. more »