This paper describes a visual formalism and a tool to support design and evaluation of human-computer interaction in context-customized systems. The formalism is called XDM (for ''context-sensitive dialogue modelling'') and combines extended Petri nets with Card, Moran and Newell's KLM operators the
The role of context and adaptation in user interfaces
β Scribed by W. Bruce Croft
- Publisher
- Elsevier Science
- Year
- 1984
- Weight
- 602 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0020-7373
No coin nor oath required. For personal study only.
β¦ Synopsis
A user interface can be viewed as a means of mapping user tasks to system tools. Context and adaptation are important features of a user/system interaction that can be used to simplify the task to tool mapping and thereby improve the interface. A system based on these features would be able to adapt its actions to be appropriate for a given context. Two systems are used as examples of the use of context and adaptation. The POISE system provides assistance to the users of an office system based on models of office tasks. The adaptive document-retrieval system chooses the most effective search strategy for retrieving relevant documents in a given context. The techniques used to implement context and adaptation in these systems are considerably different, but in both systems the user interface is made more effective.
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