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Böhm, K. and Etalle, S. and den Hartog, J.I. and Hütter, C. and Trabelsi, S. and Trivellato, D. and Zannone, N.
(2010)
A flexible architecture for privacy-aware trust management.
Journal of Theoretical and Applied Electronic Commerce Research, 5 (2).
pp. 77-96.
ISSN 0718-1876
Full text available as:
Official URL: http://dx.doi.org/10.4067/S0718-18762010000200006  AbstractIn service-oriented systems a constellation of services cooperate, sharing potentially sensitive information and responsibilities. Cooperation is only possible if the different participants trust each other. As trust may depend on many different factors, in a flexible framework for Trust Management (TM) trust must be computed by combining different types of information. In this paper we describe the TAS3 TM framework which integrates independent TM systems into a single trust decision point. The TM framework supports intricate combinations whilst still remaining easily extensible. It also provides a unified trust evaluation interface to the (authorization framework of the) services. We demonstrate the flexibility of the approach by integrating three distinct TM paradigms: reputation-based TM, credential-based TM, and Key Performance Indicator TM. Finally, we discuss privacy concerns in TM systems and the directions to be taken for the definition of a privacy-friendly TM architecture.
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