Auditing complex concepts of SNOMED using a refined hierarchical abstraction network
نویسندگان
چکیده
منابع مشابه
Auditing SNOMED Relationships Using a Converse Abstraction Network
In SNOMED CT, a given kind of attribute relationship is defined between two hierarchies, a source and a target. Certain hierarchies (or subhierarchies) serve only as targets, with no outgoing relationships of their own. However, converse relationships-those pointing in a direction opposite to the defined relationships-while not explicitly represented in SNOMED's inferred view, can be utilized i...
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OBJECTIVE We introduce a structural-lexical approach for auditing SNOMED CT using a combination of non-lattice subgraphs of the underlying hierarchical relations and enriched lexical attributes of fully specified concept names. Our goal is to develop a scalable and effective approach that automatically identifies missing hierarchical IS-A relations. METHODS Our approach involves 3 stages. In ...
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Medical terminologies are large and complex. Frequently, errors are hidden in this complexity. Our objective is to find such errors, which can be aided by deriving abstraction networks from a large terminology. Abstraction networks preserve important features but eliminate many minor details, which are often not useful for identifying errors. Providing visualizations for such abstraction networ...
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ژورنال
عنوان ژورنال: Journal of Biomedical Informatics
سال: 2012
ISSN: 1532-0464
DOI: 10.1016/j.jbi.2011.08.016