Ranking of Direct Trust, Confidence, and Reputation in an Abstract System with Unreliable Components

Kiefhaber, Rolf; Jahr, Ralf; Msadek, Nizar; Ungerer, Theo

doi:10.1109/uic-atc.2013.79

Cited by 10 publications

(3 citation statements)

References 22 publications

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“…Similarly, if j plays with i, say 10 times and cooperates in all of them, t ij is still equal to 1. However, in real life, the trustworthiness of a person who was honest with us only once and that of a person who was honest with us many times are not the same [16]. With this idea, we propose a different approach to calculations of perceived cooperation ratio.…”

Section: Perceived Cooperation Ratiomentioning

confidence: 99%

Getting recommendation is not always better

Cinar,

Bingol

2019

Preprint

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We present an extended version of the Iterated Prisoner's Dilemma game in which agents with limited memory receive recommendations about the unknown opponent to decide whether to play with. Since agents can receive more than one recommendations about the same opponent, they have to evaluate the recommendations according to their disposition such as optimist, pessimist, or realist. They keep their firsthand experience in their memory. Since agents have limited memory, they have to use different forgetting strategies. Our results show that getting recommendations not always perform better. We observe that realist performs the best and optimist the worse.

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Section: Perceived Cooperation Ratiomentioning

confidence: 99%

Getting recommendation is not always better

Cinar,

Bingol

2019

Preprint

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“…To make adequate decisions, agents can rely on a combination of direct trust and reputation. To this end, several approaches [15,OCT5] propose to use confidence or similar metrics to dynamically weigh the influence of direct trust and reputation, e.g. depending on the number of direct experiences.…”

Section: Properties Of Trustmentioning

confidence: 99%

The Social Concept of Trust as Enabler for Robustness in Open Self-Organising Systems

Anders

Seebach

Steghöfer

et al. 2016

Trustworthy Open Self-Organising Systems

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The participants in open self-organising systems, including users and autonomous agents, operate in a highly uncertain environment in which the agents' benevolence cannot be assumed. One way to address this challenge is to use computational trust. By extending the notion of trust as a qualifier of relationships between agents and incorporating trust into the agents' decisions, they can cope with uncertainties stemming from unintentional as well as intentional misbehaviour. As a consequence, the system's robustness and efficiency increases. In this context, we show how an extended notion of trust can be used in the formation of system structures, algorithmically to mitigate uncertainties in task and resource allocation, and as a sanctioning and incentive mechanism. Beyond that, we outline how the

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“…It is defined as follows:. (13) We also introduced the concept of a set Qj into the trust model, where Qj represents a collection of nodes that have interactions with .The definition of set Qj is: Direct Trust): Direct trust[15] ， also referred to as local trust, is represented by DTrust(i,j). It is the trust degree that Pi has established over the history of direct interaction with Pj.…”

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confidence: 99%

Trust Evaluation Model for P2P Networks based on Time and Interaction

2018

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The traditional centralized trusting mechanism does not meet the requirements of the modern P2P network, so it is necessary to establish a distributed trusting mechanism to strengthen the system’s reliability. Factors including time attenuation factor, interactive frequency factor, interactive size factor and average online time factor markedly influence the trust of the nodes in a P2P network. This paper defines the precise effects of these factors on trust and proposes a comprehensive trust model and global trust model based on direct trust and indirect trust.

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Ranking of Direct Trust, Confidence, and Reputation in an Abstract System with Unreliable Components

Cited by 10 publications

References 22 publications

Getting recommendation is not always better

Getting recommendation is not always better

The Social Concept of Trust as Enabler for Robustness in Open Self-Organising Systems

Trust Evaluation Model for P2P Networks based on Time and Interaction

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