Trust Modeling and Management: From Social Trust to Digital Trust

Trust Modeling and Management: From Social Trust to Digital Trust

Zheng Yan (Nokia Research Center, Finland) and Silke Holtmanns (Nokia Research Center, Finland)
DOI: 10.4018/978-1-4666-2803-8.ch018


This chapter introduces trust modeling and trust management as a means of managing trust in digital systems. Transforming from a social concept of trust to a digital concept, trust modeling and management help in designing and implementing a trustworthy digital system, especially in emerging distributed systems. Furthermore, the authors hope that understanding the current challenges, solutions and their limitations of trust modeling and management will not only inform researchers of a better design for establishing a trustworthy system, but also assist in the understanding of the intricate concept of trust in a digital environment.
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The problem to create trust in the digital environment has led to a number of approaches, for example, expressing and modeling trust in a digital way, evaluating trust in a reputation system, rating agencies, certificate authorities that equip trading partners with certificates as trusted providers and brokers, trustworthy user interface design, and so on. Current academic and industrial work related to trust covers a wide area of interest ranging from such aspects as perception of trust, cryptographic-security enforced trust solutions, trust modeling, and trust management to trusted computing activities.

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