Trust Evaluation of a System for an Activity

Nagham Alhadad 1 Patricia Serrano-Alvarado 1, * Yann Busnel 1 Philippe Lamarre 2, 3
* Corresponding author
1 GDD - Gestion de Données Distribuées [Nantes]
LINA - Laboratoire d'Informatique de Nantes Atlantique
2 BD - Base de Données
LIRIS - Laboratoire d'InfoRmatique en Image et Systèmes d'information
Abstract : When users need to perform a digital activity, they evaluate available systems according to their functionality, ease of use, QoS, and/or economical as- pects. Recently, trust has become another key factor for such evaluation. Two main issues arise in the trust management research community. First, how to de- fine the trust in an entity, knowing that this can be a person, a digital or a physical resource. Second, how to evaluate such value of trust in a system as a whole for a particular activity. Defining and evaluating trust in systems is an open problem because there is no consensus on the used approach. In this work we propose an approach applicable to any kind of system. The distinctive feature of our pro- posal is that, besides taking into account the trust in the different entities the user depends on to perform an activity, it takes into consideration the architecture of the system to determine its trust level. Our goal is to enable users to have a per- sonal comparison between different systems for the same application needs and to choose the one satisfying their expectations. This paper introduces our approach, which is based on probability theory, and presents ongoing results.
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Submitted on : Friday, August 23, 2013 - 11:09:34 AM
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Nagham Alhadad, Patricia Serrano-Alvarado, Yann Busnel, Philippe Lamarre. Trust Evaluation of a System for an Activity. TrustBus, Aug 2013, Prague, Czech Republic. ⟨hal-00853679⟩

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