title: UMLS language and vocabulary tools.
abstract: A variety of resources developed for use with the Unified Medical Language System are presented. These resources include the UMLS Knowledge Source Server, the SPECIALIST lexicon, a set of lexical tools that work with the SPECIALIST lexicon, and a variety of other NLP document processing tools. These tools manage lexical variation, tokenize and parse text strings, suggest spelling variants, and provide text-to-concept mapping capabilities. The UMLS Knowledge Source Server is available under a license agreement. The other tools are freely downloadable.
authors.affiliation: National Library of Medicine, Bethesda, Maryland, USA.
authors.forename: Allen C
authors.initials: AC
authors.lastname: Browne
authors.forename: Guy
authors.initials: G
authors.lastname: Divita
authors.forename: Alan R
authors.initials: AR
authors.lastname: Aronson
authors.forename: Alexa T
authors.initials: AT
authors.lastname: McCray
mesh_terms: D000043:Abstracting and Indexing; D009323:Natural Language Processing; D017432:Unified Medical Language System