TelematiV1, Main, Exploration, bibRecord, 000D10

Privacy and Liveliness for Reputation Systems

Identifieur interne : 000D10 ( Main/Exploration ); précédent : 000D09; suivant : 000D11

Privacy and Liveliness for Reputation Systems

Auteurs : Stefan Schiffner [Belgique] ; Sebastian Clau [Allemagne] ; Sandra Steinbrecher [Allemagne]

Source :

Lecture Notes in Computer Science [ 0302-9743 ] ; 2010.

RBID : ISTEX:37AB9B2CF8590971A9AC180B16B7C7C1E12BD265

Abstract

Abstract: Privacy-respecting reputation systems have been constructed based on anonymous payment systems in order to implement raters’ anonymity. To the best of our knowledge, all these systems suffer from the problem of having a “final state”, i.e., a system state in which users have no incentive anymore to behave honestly because they reached a maximum reputation or they can no longer be rated. Thus the reputation is in fact no longer lively. We propose a novel approach to address the problem of liveliness by the employment of negative ratings. We tie ratings to actual interactions to force users to also deposit their negative ratings at the reputation server. Otherwise they would not be able to interact any more. Additionally we enhance users’ anonymity by limiting timing attacks through the use of transferable-eCash-based payment systems.

Url:

https://api.istex.fr/document/37AB9B2CF8590971A9AC180B16B7C7C1E12BD265/fulltext/pdf

DOI: 10.1007/978-3-642-16441-5_14

Affiliations:

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Le document en format XML

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<front><div type="abstract" xml:lang="en">Abstract: Privacy-respecting reputation systems have been constructed based on anonymous payment systems in order to implement raters’ anonymity. To the best of our knowledge, all these systems suffer from the problem of having a “final state”, i.e., a system state in which users have no incentive anymore to behave honestly because they reached a maximum reputation or they can no longer be rated. Thus the reputation is in fact no longer lively. We propose a novel approach to address the problem of liveliness by the employment of negative ratings. We tie ratings to actual interactions to force users to also deposit their negative ratings at the reputation server. Otherwise they would not be able to interact any more. Additionally we enhance users’ anonymity by limiting timing attacks through the use of transferable-eCash-based payment systems.</div>
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Privacy and Liveliness for Reputation Systems

Privacy and Liveliness for Reputation Systems

Source :

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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