In: AAAI, Artifical Intelligence Applications, 4th Conf.: IEEE, pages 293-298. 1988.
Abstract: VIPS is a cooperative and interactive planning system for the office domain that overcomes some of the objections to completely automated planners. The problem of describing goals in an open system is discussed. The goal and plan are specified by a graphical Petri net language that can be simulated to generate problem-solving actions.