A Knowledge-Based Approach to Goal Recognition
نویسندگان
چکیده
We tackle in this paper the problem known as plan recognition. Our aim is to try to restudy the problem, paying particular attention to the underlying reasoning processes. We rename the problem as goal recognition, explain the details of the reasoning steps that are required for it, and argue in particular that forward reasoning is the central process in goal recognition though it needs to be supported by other forms of reasoning such as abduction. We also sketch algorithms for the implementation of the various processes, give an integrated algorithm, and illustrate it with various examples that highlight some of the problems that can be encountered such as that of inconsistency between the observations and the available knowledge.
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