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A Model of Trust Derivation from Evidence for Use in Recommendation Systems

Lookup NU author(s): Dr Georgios Pitsilis, Emeritus Professor Lindsay MarshallORCiD



In this paper we present a technique for modeling trust relationships that can be used in environments where agents take part in a recommendation system. In such an environment, agents collaborate with each other with the common aim of providing accurate recommendations to each other. In the model we use techniques taken from collaborative filtering to express trust properties as beliefs. We also compare our model with existing techniques that can be used to map types of behaviors to trust values. Finally, we describe the requirements of a protocol that could be used for the deployment of such a model in a real distributed environment.

Publication metadata

Author(s): Pitsilis G, Marshall L

Publication type: Report

Publication status: Published

Series Title: School of Computing Science Technical Report Series

Year: 2004

Pages: 10

Print publication date: 01/11/2004

Source Publication Date: November 2004

Report Number: 874

Institution: School of Computing Science, University of Newcastle upon Tyne

Place Published: Newcastle upon Tyne