Analyzing structural changes in SNOMED CT's Bacterial infectious diseases using a visual semantic delta

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Christopher Ochs, James T. Case, Yehoshua Perl

Published: 2017, Last Modified: 29 Jul 2025J. Biomed. Informatics 2017EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•We introduce a semantic delta methodology for analyzing change in SNOMED CT.•Two change analysis techniques are combined into one comprehensive methodology.•Changes to sets of concepts are summarized and visualized.•Changes in SNOMED CT's Bacterial infectious disease subhierarchy are analyzed.