The exploration-resistant trust (ERT) model for open distributed systems

Salehi‐Abari, Amirali

doi:10.22215/etd/2009-08777

Cited by 10 publications

(41 citation statements)

References 42 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The reason is that the recommendation trust will definitely decline to a low value no more than Al if entity j deceives entity i. This is where the punishment mechanism works as can be seen from (4). Obviously,a>O.5 indicates a good recommendation.…”

Section: Bmentioning

confidence: 99%

“…When entity suffers from bad 375 recommendation and a <0.5, recommendation trust descend sharply as the value of� shows. Next time, we will use (4) to calculate its recommendation trust which is harder to increase and thus need much more times of good recommendation. At last, we can see from (5) no matter how large the recommendation trust is, it can never exceeds direct trust.…”

Section: Bmentioning

confidence: 99%

“…Because of this delay, we get invalid information mentioned above, so we need an interval T to rerun the algorithm Through this procedure, we get the valid information trees as figure 4 shows, After finishing the algorithm, each component preserves a set of valid information trees. when entity F asks A for interaction , as shown in Figure 5, F hands its recommendation information to A on its own initiative, then A checks its trust information tree in terms of F's offer and further decides whether to trust it or not.…”

Section: Endmentioning

confidence: 99%

See 2 more Smart Citations

A trust evaluation and recommendation algorithm based on Internetware

Dong¹,

Yin²,

Ji-jie³

et al. 2010

2010 3rd International Conference on Computer Science and Information Technology

View full text Add to dashboard Cite

Internetware is endowed with more flexibility in the dynamic, open network. However, it is facing a big challenge in trust evaluation on interaction between two components. This paper proposes an effective way of trust evaluation based on the punishment mechanism and proved its function to resist malicious attack. As trust relationships can be obtained by the recommendations of other Internetwares, thus a virtual trust information network naturally formed. In this way, the trust relationship of an Internetware can be derived without direct interaction. However, the problem lies in we might get malicious information and be led to misjudgment in such a complex and changeable network. Therefore, we put forward an algorithm based on the idea of RIP routing algorithm. The algorithm is proved to be efficient and reliable through experiment.

show abstract

Section: Bmentioning

confidence: 99%

Section: Bmentioning

confidence: 99%

Section: Endmentioning

confidence: 99%

See 1 more Smart Citation

A trust evaluation and recommendation algorithm based on Internetware

Dong¹,

Yin²,

Ji-jie³

et al. 2010

2010 3rd International Conference on Computer Science and Information Technology

View full text Add to dashboard Cite

show abstract

“…Most recently, researchers have identified the existence of cheaters (exploitation) in artificial societies employing trust and reputation models [7], [8], and the existence of inaccurate witnesses [9], [10], and [11]. Kerr and Cohen [7] examined the security of several e-commerce marketplaces employing a trust and reputation system.…”

Section: Introductionmentioning

confidence: 99%

“…Unfortunately, Kerr and Cohen assume that buyers are honest in the witness information provided to one another and consequently do not consider collusion attacks. Salehi-Abari and White [8] introduced and formally modeled the con-man attack and demonstrated the vulnerability of several trust models against this attack. This work also did not consider any collusion attacks.…”

Section: Introductionmentioning

confidence: 99%

Witness-Based Collusion and Trust-Aware Societies

Salehi‐Abari

White

2009

2009 International Conference on Computational Science and Engineering

Self Cite

View full text Add to dashboard Cite

Autonomous agents require trust and reputation concepts in order to identify communities of agents with which to interact reliably in ways analogous to humans. This paper defines a class of attacks called witness-based collusion attacks designed to exploit trust and reputation models. Empirical results demonstrate that unidimensional trust models are vulnerable to witness-based collusion attacks while independent multidimensional trust models are not. The paper demonstrates that here is a need for witness interaction trust to detect colluding agents in addition to the need for direct interaction trust to detect malicious agents. By proposing a set of policies, the paper demonstrates how learning agents can decrease the level of encounter risk in a witness-based collusive society.

show abstract

Review of threats on trust and reputation models

Sun

2014

Industrial Management &Amp; Data Systems

View full text Add to dashboard Cite

Purpose – As the number of available services increases on the web, it becomes greatly vital in service-oriented computing to discover a trustworthy service for a service composition so as to best-fit business requirements. However, some dishonest service providers may advertise more than what they can offer and cause a great loss to users. In the last few years, trust and reputation management over web service selection mechanism becomes an emerging way of dealing with security deficiencies which are inherent in web services environment. The purpose of this paper is to review the security threats carefully and expect that the results serve as a reference guide for designing the robust trust and reputation management mechanisms. Design/methodology/approach – Based on the published literature, the paper reviews and categorizes the most critical and important security threats that apply to trust and reputation models. Findings – A detailed review and a dedicated taxonomy table are derived. As emphasized earlier, they could serve as the most important guideline for design of trust and reputation mechanisms. Originality/value – The papers work contributes to: first, understand in details what kind of security threats may cause damage to trust and reputation management mechanisms for web services selection; and second, categorize these complex security threats and then assist in planning the defense mechanisms.

show abstract

The exploration-resistant trust (ERT) model for open distributed systems

Cited by 10 publications

References 42 publications

A trust evaluation and recommendation algorithm based on Internetware

A trust evaluation and recommendation algorithm based on Internetware

Witness-Based Collusion and Trust-Aware Societies

Review of threats on trust and reputation models

Contact Info

Product

Resources

About