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Publication June 1, 1973

Planning in a Hierarchy of Abstraction Spaces

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Sacerdoti, E. D. (1974). Planning in a hierarchy of abstraction spaces. Artificial intelligence, 5(2), 115-135.

Abstract

A problem domain can be represented as a hierarchy of abstraction spaces in which successively finer levels of detail are introduced. The problem solver ABSTRIPS, a modification of STRIPS, can define an abstraction of space hierarchy from the STRIPS representation of a problem domain, and it can utilize the hierarchy in solving problems. Examples of the systems performance are presented that demonstrate the significant increases in problem-solving power that this approach provides. Then some further implications of the hierarchical planning approach are explored.

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