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刘岸鑫1, 程良伦1, 王涛2
Liu An-xin1, Cheng Liang-lun1, Wang Tao2
摘要: 工业互联网环境工业软件系统具有规模庞大、涵盖的软件组件与设备实体繁杂异构等特点,在异构设备与软件对象统一的服务化组件化封装基础上,通过服务组件编排可实现多样化应用工业软件系统灵活敏捷构建,但对服务编排效率与服务质量保障方面具有较高要求。为提升工业互联网环境服务组件编排效率并保障服务质量,本文提出基于图神经网络与模糊理论的服务组件编排方法FGraphSAGE_GA,将工业互联网服务组件编排问题形式化建模为图结构中的链路预测问题,并采用监督学习方法实现预测模型训练。针对新的服务组件编排问题,训练后的模型进行概率预测缩小候选空间,随后使用遗传算法优化服务组件编排方案。在两个不同的数据集上,针对3种规模的服务组件编排问题开展实验与分析,证明了所提出的FGraphSAGE_GA算法在服务质量和编排效率方面具有良好性能。
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