Naturally conveyed explanations of device behavior
Proceedings of the 2001 workshop on Perceptive user interfaces
Naturally conveyed explanations of device behavior
ACM SIGGRAPH 2006 Courses
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Causal reconstruction is the task of reading a written causal description of a physical behavior, forming an internal model of the described activity, and demonstrating comprehension through question answering. This task is difficult because written descriptions often do not specify exactly how referenced events fit together. This article (1) characterizes the causal reconstruction problem, (2) presents a representation called {\em transition space,} which portrays events in terms of ``transitions,'''' or collections of changes expressible in everyday language, and (3) describes a program called PATHFINDER, which uses the transition space representation to perform causal reconstruction on simplified English descriptions of physical activity.