Representing biomedical knowledge in the UMLS semantic network
High performance medical libraries
Information Retrieval
The cohesive metaschema: a higher-level abstraction of the UMLS semantic network
Journal of Biomedical Informatics
Semantic refinement and error correction in large terminological knowledge bases
Data & Knowledge Engineering
Consistency across the hierarchies of the UMLS semantic network and metathesaurus
Journal of Biomedical Informatics - Special issue: Unified medical language system
A reference ontology for biomedical informatics: the foundational model of anatomy
Journal of Biomedical Informatics - Special issue: Unified medical language system
Mapping the Gene Ontology into the Unified Medical Language System: Research Papers
Comparative and Functional Genomics
Structural group auditing of a UMLS semantic type's extent
Journal of Biomedical Informatics
Structural group-based auditing of missing hierarchical relationships in UMLS
Journal of Biomedical Informatics
Auditing concept categorizations in the UMLS
Artificial Intelligence in Medicine
Guest Editorial: Special Issue on Auditing of Terminologies
Journal of Biomedical Informatics
LogMap: logic-based and scalable ontology matching
ISWC'11 Proceedings of the 10th international conference on The semantic web - Volume Part I
Using SNOMED semantic concept groupings to enhance semantic-type assignment consistency in the UMLS
Proceedings of the 2nd ACM SIGHIT International Health Informatics Symposium
Overcoming an obstacle in expanding a UMLS semantic type extent
Journal of Biomedical Informatics
A study of terminology auditors' performance for UMLS semantic type assignments
Journal of Biomedical Informatics
Enhancing semantic relation quality of UMLS knowledge sources
Proceedings of the International Conference on Management of Emergent Digital EcoSystems
A RELATIONSHIP-CENTRIC HYBRID INTERFACE FOR BROWSING AND AUDITING THE UMLS
Journal of Integrated Design & Process Science
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The UMLS's integration of more than 100 source vocabularies, not necessarily consistent with one another, causes some inconsistencies. The purpose of auditing the UMLS is to detect such inconsistencies and to suggest how to resolve them while observing the requirement of fully representing the content of each source in the UMLS. A software tool, called the Neighborhood Auditing Tool (NAT), that facilitates UMLS auditing is presented. The NAT supports ''neighborhood-based'' auditing, where, at any given time, an auditor concentrates on a single-focus concept and one of a variety of neighborhoods of its closely related concepts. Typical diagrammatic displays of concept networks have a number of shortcomings, so the NAT utilizes a hybrid diagram/text interface that features stylized neighborhood views which retain some of the best features of both the diagrammatic layouts and text windows while avoiding the shortcomings. The NAT allows an auditor to display knowledge from both the Metathesaurus (concept) level and the Semantic Network (semantic type) level. Various additional features of the NAT that support the auditing process are described. The usefulness of the NAT is demonstrated through a group of case studies. Its impact is tested with a study involving a select group of auditors.