Abstract
This work describes an approach to 3D user interface design based on Ontology and Colored Petri Net (CPN) model derived from the application requirements. The ontology describes all information on generating both the static and dynamic part of the virtual world. The subjective factors such as privileges, platforms, predefined preferences are defined in the world ontology. The dynamic behavior defined in world ontology is formally modeled in CPN. The CPN based user interface design provides a sound foundation for the analysis of user interface characteristics. The identification of the static and dynamic part of the virtual world, together with the CPN model, help to derive various interfaces by applying different role-based controllabilities, user preferences and device capabilities. A case study illustrates the proposed approach and shows how different user interface designs are generated.
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