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1. Introduction Due to the rapid evolution [1] of software systems and to shortening the development period, a software development process must change its style, that is, from sequential to concurrent. The term concurrent development means that a number of development groups performs a number of development activities, such as specification definition,(More)
In a open pervasive environment, we want to define trust model for many kinds of services. Thus, a mechanism which can create trust model for each service dynamically and use it securely is required. Automated Trust Negotiation (ATN) is a mechanism to establish mutual trust between service providers and users in an open network environment like the(More)
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