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Methods Inf Med 1998; 37(03): 239-246
DOI: 10.1055/s-0038-1634533
Original Article
Schattauer GmbH

Formalising and Acquiring Modelbased Hypertext in Medicine: an Integrative Approach

C. Spreckelsen
1   Institut für Medizinische Informatik, Universitätsklinikum der RWTH Aachen, Aachen, Germany
,
K. Spitzer
1   Institut für Medizinische Informatik, Universitätsklinikum der RWTH Aachen, Aachen, Germany
› Author Affiliations
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Publication History

Publication Date:
14 February 2018 (online)

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Abstract

Combining a knowledge acquisition methodology with a powerful data model we present an approach to the acquisition, maintenance and browsing of scientific medical hypertext. The hypergraph-based data model supports the consistent treatment of cyclic data structures, the nesting of complex object and provides an elegant way of path declaration to represent time-dependent medical processes or large hypertext tours. It encourages a stepwise schema design and therefore supports a spiral-shaped acquisition process. We formally define view mechanisms on the basis of a rule-based query and modification language. The views enable a context-sensitive presentation of medical knowledge according to the informational needs of the physician.

Our approach has been applied to the implementation of an authoring and tutoring environment for a computer-based hypermedia reference book for cerebrovascular diseases (NeuroN). During the acquisition process the expressive power and flexibility of the representational formats have been evaluated.

Keywords

Knowledge-based Medical Systems - Hypertext - Knowledge Acquisition - Graph-based Data Model
 

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