Department of Software Technology
Vienna University of Technology

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Is Skeletal Planning in Real-World, High-Frequency Domains Possible? Miksch, S.; Horn, W.; Shahar, Y.; Popow, C.; Paky, F.; Johnson, P. Abstract: Skeletal plans are a powerful way to reuse existing domain-specific procedural knowledge. In the Asgaard project, a set of tasks that support the design and the execution of skeletal plans by a human executing agent other than the original plan designer were created. The underlying requirement to develop task-specific problem-solving methods is a modeling language. Therefore, within the Asgaard project, a time-oriented, intention-based language, called Asbru, was developed. During the design phase of plans, Asbru allows to express durative actions and plans caused by durative states of an observed agent. The intentions underlying these plans are represented explicitly as temporal patterns to be maintained, achieved or avoided. The Asgaard project and the Asbru language were designed for low-frequency domains. We proved the applicability of the Asbru language in the real-world, high-frequency environment of neonatal intensive care units (NICUs). The knowledge-base of VIE-VENT, an open-loop monitoring and therapy planning system for artificially ventilated newborn infants, is enhanced and formulated in the Asbru syntax. We show the benefits and limitations of the time-oriented, skeletal plan representation to be applicable in real-world, high-frequency domains. in: in Fifteenth International Joint Conference on Artificial Intelligence (IJCAI-97), 1997 (Poster).

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