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Interactive Visualization and Navigation of Complex Terminology Systems, Exemplified by SNOMED CT

Interactive Visualization and Navigation of Complex Terminology Systems, Exemplified by SNOMED CT,10.3233/978-1-58603-647-8-851,Erik Sundvall,Mikael N

Interactive Visualization and Navigation of Complex Terminology Systems, Exemplified by SNOMED CT   (Citations: 3)
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Free-text queries are natural entries into the expl oration of complex terminology systems. The way search results are pre sented has impact on the user's ability to grasp the overall structure of th e system. Complex hierarchies like the one used in SNOMED CT, where nodes have multiple parents (IS-A) and several other relationship types, makes visualizati on challenging. This paper presents a prototype, TermViz , applying well known methods like "focus+context" and self-organizing layouts from the fields of Info rmation Visualization and Graph Drawing to terminologies like SNOMED CT and ICD-10. The user can simultaneously focus on several nodes in the termin ologies and then use interactive animated graph navigation and semantic zooming to further explore the terminology systems without loosing context. The pr ototype, based on Open Source Java components, demonstrates how a number of Information Visualisation methods can aid the exploration of me dical terminologies with
Conference: Medical Informatics Europe - MIE , pp. 851-856, 2006
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