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The concept of a path, or ordered traversal of some links in a hypertext, has been a part of the hypertext notion from its early formation. Although paths can help to solve two major problems with hypertext systems, namely user disorientation and high cognitive overhead for users, their value has not been recognized. Paths can also provide the backbone for computations over a hypertext, an important issue for the future of hypertext. This paper constructs a framework for understanding path mechanisms for hypertext and explores the basic issues surrounding them. Given this framework, it reviews path mechanisms that have been provided by other hypertext systems. Finally, it describes the Scripted Documents system, which has been developed to test the potential of one powerful path mechanism.
Polle T. Zellweger (Sun,) studied this question.