Object-Centred Planning: Lifting Classical Planning from the Literal Level to the Object Level

  • Authors:
  • T. L. McCluskey;D. E. Kitchin;J. M. Porteous

  • Affiliations:
  • -;-;-

  • Venue:
  • ICTAI '96 Proceedings of the 8th International Conference on Tools with Artificial Intelligence
  • Year:
  • 1996

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Abstract

A great deal of emphasis in classical AI planning research has been placed on search-control issues in plan generation, while the issue of knowledge representation and acquisition of models for use with classical planning engines has been largely ignored. Work in knowledge-based planning, on the other hand, is often associated with `scruffy' AI, there being no standard representation languages with associated formal semantics for encoding domain models. In this paper we describe a method to create a planning domain model which preserves the domain independence, generality and `clean' properties of generative planners to which the model can be attached. Our method is based on lifting the level of domain representation from the literal-centred, to the object-centred. This object-centred method has the advantage that it naturally allows for the creation of a supporting tools environment to help in (i) the creation and validation of a precise planning model, and (ii) the speed-up of plan generation.