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Solving Job-Shop Scheduling Problems by Means of Genetic Algorithms

By: Ramiro Varela

It is well known that sequencing problems are a subclass of combinatorial problems that arise everywhere. We can find problems of this class in many areas of industry, management and science, ranging from production organization to multiprocessor scheduling. This not only justifies the intensive research carried out in this field over the last several years (5, 6, 13, 16), but also the interest in finding new solutions to specific problems. Because sequencing problems are in general NP-hard, the only practical approaches are heuristic strategies (16, 25). Hence, one can find the application of almost every artificial intelligence technique; for instance, logic prog