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The paper is dealing with a computer-aided system for a turning-lathe machine. It. is divided into two parts. The first one considers the sequencing problem for a job processing by the machine. It describes the problem and then presents a mathematical model and an algorithm for the minimalization of a processing time. We also prove that the pro-blem is NP-hard. The second part, on the other side,...
The authors consider the problem of nonpreemptive scheduling of n tasks in a general job shop. The objective is to find a schedule of minimum length. The algorithm presented in the paper is based on the disjunctive graph approach. Its performance is not compared with other algorithms constructed for that problem.
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