A Stochastic Approach for Trust Management

Haller, Jochen

doi:10.1109/icdew.2006.20

Cited by 11 publications

(9 citation statements)

References 12 publications

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“…Beside, communication between the partners, trust among them, VO planning, and security are important challenges from technical point of view. Trust management [18], competency management [14], and security management [21] are main issues in VO management.…”

Section: Vo Managementmentioning

confidence: 99%

A Preliminary Formal Specification of Virtual Organization Creation with RAISE Specification Language

Nami

Sharifi

Malekpour

2007

5th ACIS International Conference on Software Engineering Research, Management &Amp; Applications (SERA 2007)

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Section: Vo Managementmentioning

confidence: 99%

A Preliminary Formal Specification of Virtual Organization Creation with RAISE Specification Language

Nami

Sharifi

Malekpour

2007

5th ACIS International Conference on Software Engineering Research, Management &Amp; Applications (SERA 2007)

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“…Trust aspects captured by the TIs are, in contrast to reputation, highly subjective properties conveying the probability of an organization's expected reliable behavior [5]. To allow for the desired predictions of an organization's future performance, a stochastic modeling approach is chosen [6]. More concretely, this approach integrates a stochastic trust management approach in a reputation system.…”

Section: Introductionmentioning

confidence: 99%

Evaluating the STORE Reputation System in Multi-Agent Simulations

Andrulis¹,

Haller²,

Weinhardt

et al. 2009

Trust Management III

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Abstract. In recent global business environments, collaborations among organisations raise an increased demand for swift establishment. Such collaborations are formed between organisations entering Virtual Organizations (VOs), crossing geographic borders and frequently without prior experience of the other partner's previous performance. In VOs, every participant risks engaging with partners who may exhibit unexpected fraudulent or otherwise untrusted behaviour. In order to cope with this risk, the STochastic REputation system (STORE) was designed to provide swift, automated decision support for selecting partner organisations in the early stages of the VO's formation. The contribution of this paper first consists of a multi-agent simulation framework design and implementation to evaluate the STORE reputation system. This framework is able to simulate dynamic agent behaviour, agents hereby representing organisations, and to capture the business context of different VO application scenarios. A configuration of agent classes is a powerful tool to obtain not only well or badly performing agents for simulation scenarios, but also agents which are specialized in particular VO application domains or even malicious agents, attacking the VO community. The second contribution comprises of STORE's evaluation in two simulation scenarios, set in the VO application domains of Collaborative Engineering and Ad-hoc Service provisioning. Besides the ability to clearly distinguish between agents of different classes according to their reputation, the results prove STORE's ability to take an agent's dynamic behaviour into account. The simulation results show, that STORE solves the difficult task of selecting the most trustworthy partner for a particular VO application domain from a set of honest agents that are specialized in a wide spread of VO application domains.

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“…In the process of making a business collaborative network, the strongest inuence of trust becomes apparent in the identication phase, entailing the selection of suitable partners for dened business roles. Since time to market and thus speed is essential, partner selection has to take previously unknown partners into account besides already well known ones [99].…”

Section: Discussionmentioning

confidence: 99%

Risk-aware design of value and coordination networks

Fatemi¹

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A Stochastic Approach for Trust Management

Cited by 11 publications

References 12 publications

A Preliminary Formal Specification of Virtual Organization Creation with RAISE Specification Language

A Preliminary Formal Specification of Virtual Organization Creation with RAISE Specification Language

Evaluating the STORE Reputation System in Multi-Agent Simulations

Risk-aware design of value and coordination networks

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