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Aligning representations of anatomy using lexical and structural methods
Songmao Zhang1, Olivier Bodenreider
1U.S. National Library of Medicine, Bethesda, Maryland, National Institutes of Health, Department of Health & Human Services, USA.
Objective:
The objective of this experiment is to develop methods for aligning two representations of anatomy (the Foundational Model of Anatomy and GALEN) at the lexical and structural level.
Methods:
The alignment consists of the following four steps: 1)acquiring terms, 2) identifying anchors (i.e., shared concepts) lexically, 3) acquiring explicit and implicit semantic relations, and 4) identifying anchors structurally.
Results:
2,353 anchors were identified by lexical methods, of which 91% were supported by structural evidence. No evidence was found for 7.5%of the anchors and 1.5% received negative evidence.
Discussion:
The importance of taking advantage of implicit domain knowledge acquired through complementation,augmentation, and inference is discussed.
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