Finding semantic inconsistencies in UMLS using answer set programming
Erdoğan, Halit and Bodenreider, Olivier and Erdem, Esra (2010) Finding semantic inconsistencies in UMLS using answer set programming. In: The 24th AAAI Conference on Artificial Intelligence (AAAI-10), Atlanta, Georgia, USA
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We introduce a new method to find semantic inconsistencies (i.e., concepts with erroneous synonymity) in the Unified Medical Language System (UMLS). The idea is to identify the inconsistencies by comparing the semantic groups of hierarchically-related concepts using Answer Set Programming. With this method, we identified several inconsistent concepts in UMLS and discovered an interesting semantic pattern along hierarchies, which seems associated with wrong synonymy.
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