A multidimensional reputation scheme for identity federations

  • Authors:
  • Isaac Agudo;Carmen Fernandez-Gago;Javier Lopez

  • Affiliations:
  • Department of Computer Science, University of Malaga, Málaga, Spain;Department of Computer Science, University of Malaga, Málaga, Spain;Department of Computer Science, University of Malaga, Málaga, Spain

  • Venue:
  • EuroPKI'09 Proceedings of the 6th European conference on Public key infrastructures, services and applications
  • Year:
  • 2009

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Abstract

Deciding who to trust in the internet of services paradigm is an important and open question. How to do it in an optimal way is not always easy to determine. Trust is usually referred to a particular context whereas a single user may interact in more than one given context. We are interested in investigating how a Federated Reputation System can help exporting trust perceptions from one context to another. We propose a model for deriving trust in online services. In this context, trust is defined as the level of confidence that the service provider holds on the subject interacting with it to behave in a proper way while using the service. Thus, we derive trust by using the reputation values that those users have gained for interacting with these services.