Pattison, D. and Long, D. (2010) Domain independent goal recognition. In: STAIRS 2010: Proceedings of the Fifth Starting AI Researchers' Symposium. IOS Press, 238 - 250.
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Goal recognition is generally considered to follow plan recognition. The plan recognition problem is typically deﬁned to be that of identifying which plan in a given library of plans is being executed, given a sequence of observed actions. Once a plan has been identiﬁed, the goal of the plan can be assumed to follow. In this work, we address the problem of goal recognition directly, without assuming a plan library. Instead, we start with a domain description, just as is used for plan construction, and a sequence of action observations. The task, then, is to identify which possible goal state is the ultimate destination of the trajectory being observed. We present a formalisation of the problem and motivate its interest, before describing some simplifying assumptions we have made to arrive at a ﬁrst implementation of a goal recognition system, AUTOGRAPH. We discuss the techniques employed in AUTOGRAPH to arrive at a tractable approximation of the goal recognition problem and show results for the system we have implemented.
|Item type:||Book Section|
|Keywords:||goal recognition, goal recognition system , computer systems design, Electronic computers. Computer science|
|Subjects:||Science > Mathematics > Electronic computers. Computer science|
|Department:||Faculty of Science > Computer and Information Sciences|
|Depositing user:||Pure Administrator|
|Date Deposited:||01 Sep 2011 13:52|
|Last modified:||06 Jan 2017 10:45|