A framework for trustworthy services

da Silva, Icamaan and Zisman, Andrea (2012). A framework for trustworthy services. In: Service-Oriented Computing : 10th International Conference, ICSOC 2012, Shanghai, China, November 12-15, 2012. Proceedings, Lecture Notes in Computer Science, Springer Berlin Heidelberg, pp. 328–343.

DOI: https://doi.org/10.1007/978-3-642-34321-6_22


An existing challenge when selecting services to be used in a service- based system is to be able to distinguish between good and bad services. In this paper we present a trust-based service selection framework. The framework uses a trust model that calculates the level of trust a user may have with a service based on past experience of the user with the service and feedback about the service received from other users. The model takes into account different levels of trust among users, different relationships between users, and different levels of importance that a user may have for certain quality aspects of a service. A prototype tool has been implemented to illustrate and evaluate the work. The trust model has been evaluated in terms of its capacity to adjust itself due to changes in user ratings and its robustness.

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