With the increase of trust recommendation in the network services and applications, a large number of corresponding attacks including whitewashing attacks have emerged. This paper proposes a trust optimization model in recommendation system to counter the white-washing attacks. The proposed model first separates the white-washing nodes from other nodes by dividing the nodes into different groups. The grouping will limit the dubious white-washing nodes in the proposed model so as to take these nodes much more cost to become a normal node. Meanwhile, the normal interactions are not affected. Our experimental results show that the proposed model can insulate suspicious white-washing nodes effectively, and ensures the normal interaction activities among normal nodes at the same time. Thus, the proposed model can resist the white-washing attacks effectively.
CITATION STYLE
Wang, Z., Wang, J., & Zhao, Y. (2015). The optimization model of trust for white-washing. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 9483, pp. 169–180). Springer Verlag. https://doi.org/10.1007/978-3-319-27051-7_15
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