A very important aspect of any interactive system is its ease of use. Advances in usability, online assistance, help (e.g. contextual help), interaction styles and design techniques (e.g. user-centered design) try to facilitate the use of these systems. However, users still face challenges in accomplishing tasks (e.g. they still have to learn the required steps in order to accomplish a task). The fact that an increasing number of GUIs are frequently being updated increases the challenges faced by the users. This paper presents DemoHelp, a tool that enables the addition of live demonstration-based help to existing interactive systems. The tool enhances the ease of use and learning of interactive systems. Based on picture-driven computing and task automation the tool reduces the challenges faced by users when trying to learn how to perform a task. The work is illustrated by means of an example.

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Demonstration-based help; Engineering interactive systems; Picture-driven computing; Automation; Task Modeling.

Esta publicação está associada ao registo seguinte:

• Demonstration-based Helpfor Interactive Systems