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ACM Transactions on Information Systems (TOIS), Volume 7 Issue 1, Jan. 1989

Petri-net-based hypertext: document structure with browsing semantics
P. David Stotts, Richard Furuta
Pages: 3-29
DOI: 10.1145/64789.64791
We present a formal definition of the Trellis model of hypertext and describe an authoring and browsing prototype called &agr;Trellis that is based on the model. The Trellis model not only represents the relationships that tie individual pieces...

Formative design evaluation of superbook
Dennis E. Egan, Joel R. Remde, Louis M. Gomez, Thomas K. Landauer, Jennifer Eberhardt, Carol C. Lochbaum
Pages: 30-57
DOI: 10.1145/64789.64790
SuperBook is a hypertext browsing system designed to improve the usability of conventional documents. Successive versions of SuperBook were evaluated in a series of behavioral studies. Students searched for information in a statistics text....

Context and orientation in hypermedia networks
Kenneth Utting, Nicole Yankelovich
Pages: 58-84
DOI: 10.1145/64789.64992
The core of hypermedia's power lies in the complex networks of links that can be created within and between documents. However, these networks frequently overwhelm the user and become a source of confusion. Within Intermedia, we have developed...

A data model for flexible hypertext database systems
Frank WM. Tompa
Pages: 85-100
DOI: 10.1145/64789.64993
Hypertext and other page-oriented databases cannot be schematized in the same manner as record-oriented databases. As a result, most hypertext databases implicitly employ a data model based on a simple, unrestricted graph. This paper presents a...