As the typical institutional change,the reform of the emergency management of the super-ministry system embodies itself not only in the integration of emergency function and the combination of organizations,but also i...As the typical institutional change,the reform of the emergency management of the super-ministry system embodies itself not only in the integration of emergency function and the combination of organizations,but also in the mechanism reform of the emergency management.As a result,it cannot avoid the accumulation logic,the intentional logic and the isomorphic logic of institutional change.It manifests as follows:from the perspective of the accumulation logic,the reform of the emergency management of the super-ministry system is influenced by the historical context and the original institution;from the perspective of intentional logic,it is influenced by the thinking set and the benefit game;from the perspective of isomorphic logic,it is constrained by the political and social structure and the institutional supply shortage.展开更多
为防止城市车联网场景中的恶意伪装节点共享虚假信息,提出一种基于区块链的城市车联网声誉管理(urban internet of vehicles reputation management, UIRM)方案。利用区块链技术对车联网产生的数据进行加密与存储,结合城市道路普遍存在...为防止城市车联网场景中的恶意伪装节点共享虚假信息,提出一种基于区块链的城市车联网声誉管理(urban internet of vehicles reputation management, UIRM)方案。利用区块链技术对车联网产生的数据进行加密与存储,结合城市道路普遍存在的车辆密度较大、数据共享频率较高等环境特征进行设计,保证节点隐私,提高数据共享的效率。实验分析结果表明,在相同参数配置下,相比于现有认可度较高的多权主观逻辑声誉方案,对恶意伪装节点的检出率提升了16.2%,进一步提升了城市车联网内部的安全性与可靠性。展开更多
基金the staged achievement of the major project of the national social science fund-research on governmental coordination for major public emergencies(No.08&zd010)
文摘As the typical institutional change,the reform of the emergency management of the super-ministry system embodies itself not only in the integration of emergency function and the combination of organizations,but also in the mechanism reform of the emergency management.As a result,it cannot avoid the accumulation logic,the intentional logic and the isomorphic logic of institutional change.It manifests as follows:from the perspective of the accumulation logic,the reform of the emergency management of the super-ministry system is influenced by the historical context and the original institution;from the perspective of intentional logic,it is influenced by the thinking set and the benefit game;from the perspective of isomorphic logic,it is constrained by the political and social structure and the institutional supply shortage.
文摘为防止城市车联网场景中的恶意伪装节点共享虚假信息,提出一种基于区块链的城市车联网声誉管理(urban internet of vehicles reputation management, UIRM)方案。利用区块链技术对车联网产生的数据进行加密与存储,结合城市道路普遍存在的车辆密度较大、数据共享频率较高等环境特征进行设计,保证节点隐私,提高数据共享的效率。实验分析结果表明,在相同参数配置下,相比于现有认可度较高的多权主观逻辑声誉方案,对恶意伪装节点的检出率提升了16.2%,进一步提升了城市车联网内部的安全性与可靠性。
