Job-Shop Scheduling: An Investigation in Constraint-Directed Reasoning

Mark S. Fox, Brad Allen, Gary Strohm

This paper describes ISIS-II*, a constraint-directed reasoning system for the scheduling of factory job-shops. ISIS-II takes a heuristic search approach to generating schedules. The key features of ISIS-II’s approach is that it can re- present and use a variety of different types of constraints to guide the search, and is able to selectively relax conflicting constraints.


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