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Policies for Distributed Systems and Networks, IEEE International Workshop on (2011)
Piza, Italy
June 6, 2011 to June 8, 2011
ISBN: 978-0-7695-4330-7
pp: 171-172
A Cyber-Physical System (CPS) involves a tight coupling between the physical and computational elements. Security is a key challenge for the deployment of CPS. Therefore, it is highly desirable to extract correct information from a large volume of noisy data and properly evaluate the reputation of reporting devices in CPS. In this paper, we propose a Context-Aware tRust Evaluation scheme for wireless networks in CPS (CARE-CPS), and a set of policy rules are declared to accurately describe how we determine the reputation of each reporting device based on these factors. To validate the CARE-CPS scheme, we have conducted experiments in terms of both simulation and real deployment on smart phones. Experimental results show that the CARE-CPS scheme can properly evaluate the trustworthiness of the report devices in CPS.
Cyber-Physical System, security, trust, policy, context-awareness

L. Zavala, W. Li, T. Finin, A. Joshi and P. Jagtap, "CARE-CPS: Context-Aware Trust Evaluation for Wireless Networks in Cyber-Physical System Using Policies," 2011 IEEE International Symposium on Policies for Distributed Systems and Networks - POLICY 2011(POLICY), Pisa, 2011, pp. 171-172.
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