Abstract
Trust dilution and trust fusion are two operators that are used to calculate transitive trust in a trust network. Various implementations of these operators already exist but are not fully motivated. In this paper we define the basic properties of these two operators by developing a trust algebra. We evaluate several new and existing models against the axioms of this algebra, amongst which a number of variations of the Subjective Logic. The algebra enables the comparison of models and gives more insight in the available recommendation models and their properties.
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Alcalde, B., Mauw, S. (2010). An Algebra for Trust Dilution and Trust Fusion. In: Degano, P., Guttman, J.D. (eds) Formal Aspects in Security and Trust. FAST 2009. Lecture Notes in Computer Science, vol 5983. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-12459-4_2
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DOI: https://doi.org/10.1007/978-3-642-12459-4_2
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