The role of frame-based representation in reasoning
Communications of the ACM
Conceptual structures: information processing in mind and machine
Conceptual structures: information processing in mind and machine
OOPSLA '87 Conference proceedings on Object-oriented programming systems, languages and applications
An efficient implementation of SELF a dynamically-typed object-oriented language based on prototypes
OOPSLA '89 Conference proceedings on Object-oriented programming systems, languages and applications
CLASP: Integrating Term Subsumption Systems and Production Systems
IEEE Transactions on Knowledge and Data Engineering
Classification as a Query Processing Technique in the CANDIDE Semantic Data Model
Proceedings of the Fifth International Conference on Data Engineering
A Descriptive Semantic Formalism for Medicine
Proceedings of the Ninth International Conference on Data Engineering
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Medical guidelines play an increasing role in selecting diagnostic and therapeutic steps under the aspects of effectiveness, invasiveness, and costs. To work directly on patient data already available in electronic form, they should be integrated into a medical information system. In order to develop a “medical guideline module” (MGM) managing and applying guidelines to patients, a “knowledge level” representation of guidelines is necessary which reflects the structure of medical knowledge and matches medical processes. Furthermore, a direct transformation to the “symbol level” is needed. We use a nested, frame-like structure on the knowledge level and show that a classification-based knowledge representation system (CBKRS) is principally well suited for the symbol level. To facilitate the usage and to be independent of a particular CBKRS, we introduce an intermediate level called “intelligent object system” (IOS). It is developed by augmenting a simple data model for describing complex objects with prototypes and implications as a means to classify objects and to draw inferences based on this classification. Finally, the transformation of guidelines to prototypes and implications is described.