Concept

Reputation

Related publications (75)

QoS-based Service Selection and Ranking with Trust and Reputation Management

QoS-based service selection mechanisms will play an essential role in service-oriented architectures, as e-Business applications want to use services that most accurately meet their requirements. Standard approaches in this field typically are based on the ...

2005

QoS-based Service Selection and Ranking with Trust and Reputation Management

Karl Aberer, Manfred Hauswirth

2005

On the Convergence of Structured Search, Information Retrieval and Trust Management in Distributed Systems

Karl Aberer, Philippe Cudré-Mauroux, Zoran Despotovic

The database and information retrieval communities have long been recognized as being irreconcilable. Today, however, we witness a surprising convergence of the techniques used by both communities in decentralized, large-scale environments. The newly emerg ...

2005

Building trust-aware P2P systems

Zoran Despotovic

This thesis is concerned with enabling e-commerce applications in decentralized environments, P2P networks in particular. The work goes along the following two dimensions: P2P reputation systems design and building P2P e-commerce services and applications. ...

EPFL2005

Denial-of-service resilience in peer-to-peer file sharing systems

Willy Zwaenepoel, Dan Mihai Dumitriu

Peer-to-peer (p2p) file sharing systems are characterized by highly replicated content distributed among nodes with enormous aggregate resources for storage and communication. These properties alone are not sufficient, however, to render p2p networks immun ...

2005

Towards P2P-based Semantic Web Service Discovery with QoS Support

Karl Aberer, Manfred Hauswirth

The growing number of web services advocates distributed discovery infrastructures which are semantics-enabled and support quality of service (QoS). In this paper, we introduce a novel approach for semantic discovery of web services in P2P-based registries ...

2005

Possibilities for Managing Trust in P2P Networks

Karl Aberer, Zoran Despotovic

Reputation systems offer a viable solution to the old problem of encouraging trustworthy behavior in online communities. Their key presumptions are that the participants of an online community engage in repeated interactions and that the information about ...

2004

Analysis of a Robust Reputation System for Self-Organized Networks

Jean-Yves Le Boudec

Self-organized networks require some mechanism to ensure cooperation and fairness in the face of individual utility maximizing users and potential malicious attacks. Otherwise, network performance can be seriously deteriorated. One promising approach are d ...

2004

A Robust Reputation System for Peer-to-Peer and Mobile Ad-hoc Networks

Jean-Yves Le Boudec, Sonja Buchegger

Reputation systems can be tricked by the spread of false reputation ratings, be it false accusations or false praise. Simple solutions such as exclusively relying on one`s own direct observations have drawbacks, as they do not make use of all the informati ...

2004

Coping with misbehavior in mobile ad-hoc networks

Sonja Buchegger

In this work, we address the question of how to enable a system to operate despite the presence of misbehavior. Specifically, in a mobile ad-hoc network, how can we keep the network functional for normal nodes when other nodes do not route and forward corr ...

EPFL2004

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