| 基于Petri网的经济预警服务组合模型研究 |
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| 引用本文： | 张昭玉,白云.基于Petri网的经济预警服务组合模型研究[J].铁道师院学报,2014(1):70-75. |
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| 作者姓名： | 张昭玉 白云 |
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| 作者单位： | 苏州科技学院电子与信息工程学院,江苏苏州215009 |
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| 基金项目： | 教育部人文社科规划基金资助项目（12YJA790129）;苏州科技学院青年骨干教师基金资助项目（60903131） |
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| 摘 要： | 针对当前经济预警领域单一模型预测效果不理想，以及模型组合、管理和重用困难等问题，提出了采用面向服务的体系结构构建宏观经济预警平台，将单一预警模型发布为Web服务，并利用Petri网组合预警服务模型的方法，讨论了系统构建方法和服务组合的建模过程，验证了基于Petri网的组合服务模型能够保证组合服务的可达性、安全性、正确性和可终止性。
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| 关 键 词： | Web服务 Petri网 面向服务的体系结构 经济预警系统 |
Petri-net-oriented economic early warning service composite model |
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| ZHANG Zhaoyu,BAI Yun.Petri-net-oriented economic early warning service composite model[J].Journal of Suzhou Railway Teachers College(Natural Science Edition),2014(1):70-75. |
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| Authors: | ZHANG Zhaoyu BAI Yun |
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| Institution: | (School of Electronic ＆ Information Engineering, SUST, Suzhou 215009, China) |
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| Abstract: | Aiming at solving the problems of economic early warning system, such as the difficulty of model inte-gration, model management and model reuse, and the unsatisfactory effect of single early warning model, this pa-per has proposed a web service model of economic early warning system based on Petri-net. This model adopted service-oriented architecture and published early warning components by web service. We applied a standardized interface to make each component cooperate with each other. We presented an algorithm mapping the early warn-ing model to Petri-net, which was able to complete complex early warning application through services composi-tion. Moreover, we discussed the system construction method and key technologies for dynamic web services com-position. The results show that a composite service composed by Petri-net can insure the reachability, safeness, accuracy and boundness of the model. |
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| Keywords: | Web service Petri net SOA economic early warning system |
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