Towards a Plan Ontology

This paper describes inputs to various international standardisation e orts for process and plan interchange Our approach takes a top down perspective It seeks to add the small but vital overview that can sit above the detailed representations or ontologies already available It seeks to provide a framework within which alternative detailed ontologies can be created and evaluated in use The contribution of this paper is to propose a structure for a plan ontology which is intended to allow for the progressive de nition of the various components in a way which should increase the prospect of achieving a smooth t of the various components into the whole