A hierarchical algorithm for cyberspace situational awareness based on analytic hierarchy process
The existing network security management systems are unable either to provide users with useful security situation and risk assessment, or to aid administrators to make right and timely decisions based on the current state of network. These disadvantages always put the whole network security management at high risk. This paper establishes a simulation environment, captures the alerts as the experimental data and adopts statistical analysis to seek the vulnerabilities of the services provided by the hosts in the network. According to the factors of the network, the paper introduces the two concepts: Situational Meta and Situational Weight to depict the total security situation. A novel hierarchical algorithm based on analytic hierarchy process (AHP) is proposed to analyze the hierarchy of network and confirm the weighting coefficients. The algorithm can be utilized for modeling security situation, and determining its mathematical expression. Coupled with the statistical results, this paper simulates the security situational trends.Finally, the analysis of the simulation results proves the algorithm efficient and applicable, and provides us with an academic foundation for the implementation in the security situation....
On the Process of Cultural Awareness's Development
With the development of international globalization, the international communications have increased, which needs us to develop the cultural awareness. Cultural awareness has gone through several stages and in this paper the focus will be on the process of its development....
目的 了解我国不同地区成人自我测量体重及体重知晓情况.方法 利用中国慢病监测(2010)项目询问调查及体格测量获得的数据,分析我国18岁及以上成人自我测量体重、体重知晓情况,描述城乡、不同地区、不同性别及年龄人群的分布及差异.结果 我国成人经常测量体重的比例为33.5％；有22.8％的人从未测量过体重,且年龄越大、文化程度越低比例越高；西部农村地区从不测量体重的比例最高,东部城市地区最低.我国成人47.7％的人自报知晓自己体重,但仅有31％的人真正知道自己的体重.年龄越大、文化程度越低,知晓率越低.结论 我国成人自我测量体重、关注体重、掌握实际体重的比例还不高,且存在人群、地区等差异,建议进一步加强人群健康教育和健康促进,大力倡导和支持人人自测体重、知晓体重及维持健康体重....