Some Results on Shop Scheduling with S-Precedence Constraints among Job Tasks
نویسندگان
چکیده
منابع مشابه
Flexible job shop scheduling under availability constraints
In this paper, an exact geometric algorithm is presented for solving two-job sequencing and scheduling problems in flexible flow shop and job shop environments while the resources are (un)available in some time periods and processors (un)availability is the same in all work centers. This study seems utterly new and it is applicable to any performance measure based on the completion time. The in...
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In traditional precedence-constrained scheduling a task is ready to execute when all its predecessors are complete. We call such a task an AND task. In this paper we allow certain tasks to be ready when just one of their predecessors is complete. These tasks are known as OR tasks. We analyze the complexity of two types of real-time AND/OR task scheduling problems. In the rst type of problem, al...
متن کاملflexible job shop scheduling under availability constraints
in this paper, an exact geometric algorithm is presented for solving two-job sequencing and scheduling problems in flexible flow shop and job shop environments while the resources are (un)available in some time periods and processors (un)availability is the same in all work centers. this study seems utterly new and it is applicable to any performance measure based on the completion time. the in...
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Efficient scheduling is essential to exploit the tremendous potential of high performance computing systems. Scheduling tasks with precedence constraints is a well studied problem and a number of heuristics have been proposed. In this thesis, we first consider the problem of scheduling task graphs in heterogeneous distributed computing systems (HDCS) where the processors have different capabili...
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This paper introduces a translation of the job shop scheduling problem into a qualitative constraint satisfaction problem using INDU and Allen relations. We show that the translation is sound and complete. We also use the notion of frozen constraints and show that it allows the user to consider only partial solutions when searching for solutions. Our work constitutes a new approach to the probl...
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ژورنال
عنوان ژورنال: Algorithms
سال: 2019
ISSN: 1999-4893
DOI: 10.3390/a12120250