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Excerpt from Planning With Resources
It is often natural to express goals the desired quantity of some product) in terms of resources. The strips representation may be extended as follows toallow the specification of effects to consume or produce quantities of resources.1 Step preconditions now specify, in addition to a set of propositions, the amounts of resources that must be available in order for a step to be performed. Effects now specify the amounts of resources that are consumed or produced by a step. Similarly, the initial state, I, must now specify the initial resource allocations, and the goal state, G, must specify the desired final amounts of resources.
Most classical planners did not emphasize resource considerations, primarily because resource management was viewed as part of the scheduling problem, which was viewed as distinct from the planning problem. For example, isis (fox, ajob-shop scheduling system assumes that resources are allocated and tasks scheduled only after the task network has been planned. However, there are good reasons for including resource considerations during planning: 1) it is often natural to express some planning goals the desired quantity of some product) in terms of resources; 2) resource constraints may determine whether a given planning problem is solvable; 3) resource considerations may be useful in comparing and evaluating alternate plans.
Few planners have a non-trivial planning with resources capability. Sipe (wilkins.
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bound: 20 pages
publisher: Forgotten Books (May 25, 2017)
isbn: 028206897X, 978-0282068974,
weight: 1.6 ounces (