The world is steadily moving to the post-liberal order with the urgent need of novel organizational and security approaches,also new levels of international cooperation,in order to support its stability and prosperity...The world is steadily moving to the post-liberal order with the urgent need of novel organizational and security approaches,also new levels of international cooperation,in order to support its stability and prosperity.The developed high-level Spatial Grasp Technology(SGT)and its Spatial Grasp Language(SGL)are briefed which may be particularly useful for solving numerous conflicts and crises problems emerging in different areas during this transitional period,in both local and global scale.SGT employs unlimited spatial scenario mobility and parallel holistic matching of distributed systems,with numerous communicating SGL interpreters potentially installed worldwide.Basic network creation and management operations are described in SGL which may operate on top of existing communication systems or serve individually as high level network protocols in case of non-local crises and disasters.Different operations on social networks are presented in SGL including finding strongest and weakest components with resultant changing of network topologies,also determining distances between different communities for preventing and predicting social conflicts.Fully distributed analysis,and tracing and simulation of multiple mobile objects in distributed spaces with complex routes are shown in SGL related to cruise missiles,defence objects and debris in outer space,as well as massively moving refugees through international borders.The proposed technology had trial implementations and applications in different countries,and its latest version can be readily installed by agreement on any platforms needed.展开更多
基于XACML(extensible access control markup language)的访问控制策略在云计算服务中得到广泛使用,其存在的问题也日益凸显,策略集的冲突检测与冲突消解问题就是其中之一。然而,目前学术界在冲突消解方面研究较少,现有的研究也仅能对...基于XACML(extensible access control markup language)的访问控制策略在云计算服务中得到广泛使用,其存在的问题也日益凸显,策略集的冲突检测与冲突消解问题就是其中之一。然而,目前学术界在冲突消解方面研究较少,现有的研究也仅能对冲突进行逐对消解,没有针对大量冲突的一次性消解方法,这在大规模云计算环境中是很难适用的。针对这个问题,从算法的角度出发,改进了原有的策略冲突检测方法,并设计了一种新的策略冲突一次性消解算法。该算法将安全规则映射到N维空间中,每一个维度表示一个属性,将定义复杂的安全策略在每一个属性上统一表示为几种基本数据类型的属性值集合,通过对简单集合的交集运算来进行冲突和冗余检测。在冲突消解时,将所有的冲突汇集到一起,运用有向无环图的拓扑排序来计算规则优先级,按优先级的顺序为每个规则构建一棵空间区域选择树,选取其对应的消解后的N维空间区域,完成大量冲突的一次性消解。实验表明,冲突检测和一次性消解算法是正确、高效和可行的。展开更多
文摘The world is steadily moving to the post-liberal order with the urgent need of novel organizational and security approaches,also new levels of international cooperation,in order to support its stability and prosperity.The developed high-level Spatial Grasp Technology(SGT)and its Spatial Grasp Language(SGL)are briefed which may be particularly useful for solving numerous conflicts and crises problems emerging in different areas during this transitional period,in both local and global scale.SGT employs unlimited spatial scenario mobility and parallel holistic matching of distributed systems,with numerous communicating SGL interpreters potentially installed worldwide.Basic network creation and management operations are described in SGL which may operate on top of existing communication systems or serve individually as high level network protocols in case of non-local crises and disasters.Different operations on social networks are presented in SGL including finding strongest and weakest components with resultant changing of network topologies,also determining distances between different communities for preventing and predicting social conflicts.Fully distributed analysis,and tracing and simulation of multiple mobile objects in distributed spaces with complex routes are shown in SGL related to cruise missiles,defence objects and debris in outer space,as well as massively moving refugees through international borders.The proposed technology had trial implementations and applications in different countries,and its latest version can be readily installed by agreement on any platforms needed.
文摘基于XACML(extensible access control markup language)的访问控制策略在云计算服务中得到广泛使用,其存在的问题也日益凸显,策略集的冲突检测与冲突消解问题就是其中之一。然而,目前学术界在冲突消解方面研究较少,现有的研究也仅能对冲突进行逐对消解,没有针对大量冲突的一次性消解方法,这在大规模云计算环境中是很难适用的。针对这个问题,从算法的角度出发,改进了原有的策略冲突检测方法,并设计了一种新的策略冲突一次性消解算法。该算法将安全规则映射到N维空间中,每一个维度表示一个属性,将定义复杂的安全策略在每一个属性上统一表示为几种基本数据类型的属性值集合,通过对简单集合的交集运算来进行冲突和冗余检测。在冲突消解时,将所有的冲突汇集到一起,运用有向无环图的拓扑排序来计算规则优先级,按优先级的顺序为每个规则构建一棵空间区域选择树,选取其对应的消解后的N维空间区域,完成大量冲突的一次性消解。实验表明,冲突检测和一次性消解算法是正确、高效和可行的。
