基于办公流程图结构的隐私保护模型研究

Research of privacy-preserving model of office flowchart structure

针对办公流程图结构易导致隐私泄露的问题,构建了一种面向办公自动化系统的隐私保护模型,采用社会网络匿名化思想,提出了面向工作流图的1邻域真实节点度统一匿名算法和权值最小随机扰动保护方法。该模型对节点的度以及工作流量信息进行保护,有效地防止攻击者根据背景知识、节点的度结构和工作流量信息来识别办公网络中的重要节点,并通过实验验证了隐私保护模型的可用性。

Against the problems of privacy leakage caused by the structure of office workflow diagram, this paper constructed a privacy protection model foroffiee automation systems, which proposesanunified anonymizationalgorithm for actual 1-neigh- bourhood nodes protecting and the minimumrandom disturbancemethodfor weights protecting based on the idea of social network anonymization. The model was effectively useful for preventing attackers from recognizing important nodes in an office network by the information of background, the nodes degree and workflow between different nodes, which has been scientifically veri- fied about its usability by experiments.