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In many real-world planning problems, action's impact differs with a place,time and the context in which the action is applied. The same action with thesame effects in a different context or states can cause a different change. Inactions with incomplete precondition list, that applicable in several statesand circumstances, ambiguity regarding the impact of the action is challengingeven in small domains. To estimate the real impact of actions, an evaluation ofthe effect list will not be enough; a relative estimation is more informativeand suitable for estimation of action's real impact. Recent work onOver-subscription Planning (OSP) defined the net utility of action as the netchange in the state's value caused by the action. The notion of net utility ofaction allows for a broader perspective on value action impact and use for amore accurate evaluation of achievements of the action, considering inter-stateand intra-state dependencies. To achieve value-rational decisions in complexreality often requires strategic, high level, planning with a globalperspective and values, while many local tactical decisions require real-timeinformation to estimate the impact of actions. This paper proposes an offlineaction-value structure analysis to exploit the compactly representedinformativeness of net utility of actions to extend the scope of planning tovalue uncertainty scenarios and to provide a real-time value-rational decisionplanning tool. The result of the offline pre-processing phase is a compactdecision planning model representation for flexible, local reasoning of netutility of actions with (offline) value ambiguity. The obtained flexibility isbeneficial for the online planning phase and real-time execution of actionswith value ambiguity. Our empirical evaluation shows the effectiveness of thisapproach in domains with value ambiguity in their action-value-structure.

Automated Tactical Decision Planning Model with Strategic Values Guidance for Local Action-Value-Ambiguity