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Published January 1, 2010 | Version v1
Conference paper Open

Finding Semantic Inconsistencies in UMLS Using Answer Set Programming

Creators

  • 1. Sabanci Univ, Fac Engn & Nat Sci, Istanbul, Turkey
  • 2. NIH, US Natl Lib Med, Bethesda, MD 20892 USA

Description

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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