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Cited by 1,464

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Propagation of trust and distrust

Guha, R., Kumar, Ravi, Raghavan, Prabhakar, Tomkins, Andrew·2004·Proceedings of the 13th international conference on World Wide Web

Abstract

A (directed) network of people connected by ratings or trust scores, and a model for propagating those trust scores, is a fundamental building block in many of today's most successful e-commerce and recommendation systems. We develop a framework of trust propagation schemes, each of which may be appropriate in certain circumstances, and evaluate the schemes on a large trust network consisting of 800K trust scores expressed among 130K people. We show that a small number of expressed trusts/distrust per individual allows us to predict trust between any two people in the system with high accuracy. Our work appears to be the first to incorporate distrust in a computational trust propagation setting.

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Metadata

Authors
Guha, R., Kumar, R., Raghavan, P., & Tomkins, A.
Venue
Proceedings of the 13th international conference on World Wide Web
Publisher
ACM
Published
2004-05-17
Pages
403-412
OpenAlex
W2144780381
Cited by
1,464
References
4
FWCI
93.71
Type
conference paper
Language
en
Open access
closed

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