Abstract

A Cyber-Physical System (CPS) is a network of hybrid systems, combinations of physical entities and software systems that control them. A CPS offers a set of diverse services under stringent real-time and physical resource constraints. In contrast with embedded systems, a CPS interacts directly with the physical world. Consequently, services in a CPS must be guaranteed with high dependability assurance. In literature the terms dependability and trustworthiness are used interchangeably to denote a compound property, emerging from safety, security, reliability, and availability features that govern the behavior of system components, their services, and their compositions. In this paper we introduce a service-oriented view of CPS and investigate accountability and dependability within context- awareness capabilities of CPS.

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