Designing Visual Thinking tools for Mixed Initiative Systems
نویسندگان
چکیده
Visual thinking tools empower people in solving complex problems by engaging them in the entire resolution process, suggesting appropriate actions with visual cues, and reducing their cognitive load by keeping a visual reification of the current task. At the same time, the visual interaction style provides an alternative to the current dialog-based model employed in most mixed-initiative (MI) systems. Visual-enabled MI systems avoid complex analyses of turntaking, and put users in control all the time. We discuss our implementation of visual "affordances" in such systems and present three examples used in COMIND, a visual MI system that we have developed. We show how humans can more effectively concentrate on synthesizing problems, selecting resolution paths that were unseen by the machine, and reformulating problems if solutions cannot be found or are unsatisfactory. We further discuss our evaluation of the techniques at the end of the paper.
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