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• The concepts for reputation systems are discussed. • A survey of existing reputation systems is presented. • We construct a new taxonomy for reputation systems. • We identify under-represented areas for research. a b s t r a c t In our increasingly interconnected world, the need for reputation is becoming more important as larger numbers of people and(More)
— Collaborative systems require access control to prevent unau-thorised access and change. Access control has a number of issues, including administration and maintenance overheads. In this paper we argue that it is time to reconsider how access controls work, particularly with scientific and data related domains, and to this end we propose a new paradigm(More)
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