CT-ISG: A Game Theoretic Framework for Privacy Preservation in Community-Based Mobile Applications

CT-ISG：基于社区的移动应用程序中隐私保护的博弈论框架

• 批准号: 0831545
• 负责人: Murali Annavaram
• 金额: $ 25万
• 依托单位: University of Southern California
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2008
• 资助国家: 美国
• 起止时间: 2008-10-01 至 2012-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0831545&HistoricalAwards=false
• 关键词: CT; ISG; Game; Theoretic; Framework

The explosive growth of mobile devices coupled with near universal connectivity creates new opportunities for community based mobile social networking applications. In this class of applications each user in a community contributes their knowledge about their surrounding environments and the collective knowledge is used by the group members for a personal or social benefit. The foundational underpinning of all mobile social networks is a participant's desire to take advantage of the collective knowledge gained from other users in the community. However, as security concerns grow there is a desire to protect one's own privacy. Thus all mobile social networks have a fundamental tension between privacy and information utility. This tension can be well formulated as a game theory problem where a self-interested agent's behavior alters dynamically based on the behavior of other agents in the system. This research will investigate the existence and efficiency of Nash equilibria and also design mechanisms that can maximize application performance while satisfying the privacy concerns of users. In particular, this research is conducted in the context of two specific case studies: one pertaining to a mobile device-based real time vehicular traffic information application and another pertaining to a community based mobile application for enhancing personal safety. This research will provide an important proof-of-concept that a rigorous game-theoretic analysis and designmethodology can lead to practical systems to provide appropriate tradeoffs between privacy and user service. The lessons learned in this project will be broadly useful to the development of next-generation social participation-based applications for mobile devices.

移动的设备的爆炸式增长加上近乎普遍的连接性为基于社区的移动的社交网络应用创造了新的机会。在这类应用程序中，社区中的每个用户都贡献了关于其周围环境的知识，并且集体知识被组成员用于个人或社会利益。所有移动的社交网络的基础是参与者希望利用从社区中其他用户获得的集体知识。然而，随着安全问题的增长，人们希望保护自己的隐私。因此，所有的移动的社交网络都在隐私和信息效用之间存在根本的紧张关系。这种张力可以很好地表述为博弈论问题，其中自利代理的行为根据系统中其他代理的行为动态地改变。本研究将探讨纳什均衡的存在性和效率，并设计机制，可以最大限度地提高应用程序的性能，同时满足用户的隐私问题。特别是，这项研究是在两个具体的案例研究的背景下进行的：一个有关的移动的设备为基础的真实的车辆交通信息应用程序和另一个有关的社区为基础的移动的应用程序，以提高人身安全。这项研究将提供一个重要的概念证明，严格的博弈论分析和设计方法可以导致实际的系统，以提供适当的隐私和用户服务之间的权衡。在这个项目中吸取的经验教训将是广泛有用的移动的设备的下一代社会参与为基础的应用程序的开发。