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dc.contributor.authorHartson, H. Rexen_US
dc.contributor.authorSiochi, Antonio C.en_US
dc.contributor.authorHix, Deborahen_US
dc.date.accessioned2013-06-19T14:35:55Z
dc.date.available2013-06-19T14:35:55Z
dc.date.issued1990
dc.identifierhttp://eprints.cs.vt.edu/archive/00000198/en_US
dc.identifier.urihttp://hdl.handle.net/10919/19555
dc.description.abstractAlmost all existing interface representation techniques, especially those associated with UIMS, are constructional, focused on interface implementation, and therefore do not adequately support a user-centered focus. But it is the behavioral domain of the user that interface designers and evaluators do their work. We are seeking to complement constructional methods by providing a tool supported technique capable of specifying the behavioral aspects of an interactive system -- the tasks and the actions a user performs to accomplish those tasks. In particular, this paper is a practical introduction to use of the User Action Notation (UAN), a task- and User-oriented notation for behavioral representation of asynchronous, direct manipulation interface designs. Interfaces are specified in the UAN as a quasi-hierarchy of asynchronous tasks. At the lower levels, user actions are associated with feedback and system state changes. The notation makes use of visually onomatopoeic symbols, and is simple enough to read without much instruction. The UAN has been used by growing numbers of interface developers and researchers over the past few years. In addition to its design role, current research is investigating how the UAN can support the production and maintenance of code and documentation.en_US
dc.format.mimetypeapplication/pdfen_US
dc.publisherDepartment of Computer Science, Virginia Polytechnic Institute & State Universityen_US
dc.relation.ispartofHistorical Collection(Till Dec 2001)en_US
dc.titleThe UAN: A User-Oriented Representation for Direct ManipulationInterface Designsen_US
dc.typeTechnical reporten_US
dc.identifier.trnumberTR-90-16en_US
dc.type.dcmitypeTexten_US
dc.identifier.sourceurlhttp://eprints.cs.vt.edu/archive/00000198/01/TR-90-16.pdf


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