Abstract
Hypermedia system design is a difficult process, mainly because of the lack of high‐level hypermedia design models and support tools. The approach presented herein is intended to solve this problem. Its main elements are the Enhanced Object‐Relationship Model and two support tools for schema design and graphical user‐interface (GUI) design, all based on a common object‐oriented database system. The approach leads to schemas that will serve as design specifications; it can be used for documentation purposes; it paves the way for reuse of hypermedia designs; it allows integration with other object‐oriented systems and non‐object‐oriented systems; and it can lead to systems where the main interaction style is based on hypermedia linking. Finally, the approach offers a foundation for a unique combination of a high‐level hypermedia design methodology and reusable designs, which is expected to have a major impact on the future use of hypermedia in information systems.

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