Exploiting UMLS Semantics for Checking Semantic Consistency among UMLS concepts. Erdogan, H., Erdem, E., & Bodenreider, O. In Proc. of the 13th International Congress on Medical Informatics (MedInfo'10), 2010. N abstract bibtex To quantify semantic inconsistency in UMLS concepts from the perspective of their hierarchical relations and to show through examples how semantically-inconsistent concepts can help reveal erroneous synonymy relations. Methods: Inconsistency is defined in reference to concepts from the UMLS Metathesaurus. Consistency is evaluated by comparing the semantic groups of the two concepts in each pair of hierarchically-related concepts. A limited number of inconsistent concepts was inspected manually. Results: 81,512 concepts are inconsistent due to the differences in semantic groups between a concept and its parent. Four examples of wrong synonymy are presented. Conclusions: A vast majority of incon-sistent hierarchical relations are not indicative of any errors. We discovered an interesting semantic pattern along hierarchies, which seems associated with wrong synonymy.
@inproceedings{medinfo10,
author = {Halit Erdogan and Esra Erdem and Olivier Bodenreider},
booktitle = {Proc. of the 13th International Congress on Medical Informatics (MedInfo'10)},
urln = {2009-medinfo-he.pdf},
year = {2010},
title = {Exploiting UMLS Semantics for Checking Semantic Consistency among UMLS concepts},
abstract = {To quantify semantic inconsistency in UMLS concepts from the perspective of their hierarchical relations and to show through examples how semantically-inconsistent concepts can help reveal erroneous synonymy relations. Methods: Inconsistency is defined in reference to concepts from the UMLS Metathesaurus. Consistency is evaluated by comparing the semantic groups of the two concepts in each pair of hierarchically-related concepts. A limited number of inconsistent concepts was inspected manually. Results: 81,512 concepts are inconsistent due to the differences in semantic groups between a concept and its parent. Four examples of wrong synonymy are presented. Conclusions: A vast majority of incon-sistent hierarchical relations are not indicative of any errors. We discovered an interesting semantic pattern along hierarchies, which seems associated with wrong synonymy.}
}
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