Hyped-Mediato Hyper-Media TowardTheoreticalFoundationsof Design, Use and Evalualion: A CHI 98 Workshop N. Hari Narayanan Introduction The goal of this workshop was to explore emerging theoretical foundations of design, use and evaluation of interactive hypermedia systems. build in additional ways of semantic navigation. This can provide total freedom to the user to navigate through the system in non-linear ways. Does such freedom aid or hinder comprehension? There are many studies indicating that the flexibility of navigation in electronic worlds can confuse or disorient users, hindering the system's effectiveness. On the other hand, constraining navigation to confirm to linear sequences does not seem advisable either. Do theories exist that allow a designer to find a good middle ground? Some of the fundamental questions faced by every hypermedia designer are the following. On what basis can one choose to present information using different media (text, photographs, diagrams, animations, video, etc.)? How does one decide on the temporal and spatial synchronization of various components? How can a complex hypermedia system be structured (tree vs. network structure, broad and shallow trees vs. narrow and deep trees, etc.)? How can the different components be tied together with hyperlinks to provide both a comprehensible overall
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