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Author:

龙浩 (龙浩.) | 邸瑞华 (邸瑞华.) | 梁毅 (梁毅.)

Indexed by:

CQVIP PKU CSCD

Abstract:

针对有向无环图(directed acrylic graph,DAG)表示的截止期约束下的网格工作流费用优化问题,提出启发式分段(segment level,SL)费用优化算法.通过分析DAG图中活动的并行和同步特征,算法对活动进行分段,时间浮差按比例分配到各段,段内的费用优化采用动态规划的求解策略实现.通过将工作流截止期转换为段截止时间,扩大了活动的费用优化区间,通过大量模拟实验将SL算法和MCP(minimum critcal path)、DTL (deadline top level)、DBL(deadline bottom level)算法比较,证明了SL算法的有效性.

Keyword:

有向无环图 分段 启发式算法 网格工作流

Author Community:

  • [ 1 ] [龙浩]北京工业大学
  • [ 2 ] [邸瑞华]北京工业大学
  • [ 3 ] [梁毅]北京工业大学

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Source :

北京工业大学学报

ISSN: 0254-0037

Year: 2011

Issue: 4

Volume: 37

Page: 583-590

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 7

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