UMLS Metathesaurus

Clinical archetypes are modular definitions of clinical data, expressed using standard or open constraint-based data models as… (More)

The MetaMap program’s purpose is to discover the Metathesaurus concepts referred to in arbitrary text. A given Metathesaurus… (More)

The Unified Medical Language System (http://umlsks.nlm.nih.gov) is a repository of biomedical vocabularies developed by the US… (More)

The entire collection of 11.5 million MEDLINE abstracts was processed to extract 549 million noun phrases using a shallow… (More)

We developed and evaluated a UMLS Metathesaurus Co-occurrence mining algorithm to connect medications and diseases they may treat… (More)

The National Library of Medicine's Unified Medical Language System (UMLS) is a rich source of knowledge in the biomedical domain… (More)

OBJECTIVES Assess query expansion using thesaurus relationships and definitions in the UMLS Metathesaurus for improving searching… (More)

We propose a method for resolving ambiguities encountered when mapping free text to the UMLS Metathesaurus. Much of the research… (More)

The UMLS Metathesaurus is a compilation of names, relationships, and associated information from a variety of biomedical naming… (More)

The Unified Medical Language System Metathesaurus represents the results of a synthesis of existing biomedical naming systems… (More)