Propagation of Trust and Distrust (2004) [98 citations — 1 self]
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by
R. Guha
,
Ravi Kumar
,
Prabhakar Raghavan
,
Andrew Tomkins
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@INPROCEEDINGS{Guha04propagationof,
author = {R. Guha and Ravi Kumar and Prabhakar Raghavan and Andrew Tomkins},
title = {Propagation of Trust and Distrust},
booktitle = {},
year = {2004},
pages = {403--412},
publisher = {ACM Press}
}
author = {R. Guha and Ravi Kumar and Prabhakar Raghavan and Andrew Tomkins},
title = {Propagation of Trust and Distrust},
booktitle = {},
year = {2004},
pages = {403--412},
publisher = {ACM Press}
}
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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.
