Computing with Social Trust

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As open, distributed systems like the Web continue to grow, and more and more content created by users becomes available, the question of whom and what can be trusted becomes increasingly important. This book looks at one solution – social trust relationships – and examines the challenging research problems raised by computing with social trust. In bringing together important research in computing social trust from both computer science and related disciplines, this book provides an invaluable overview of the area. Divided into three parts, the first – Models of Social Trust – addresses theory, behaviour and trust management, analysing how trust is developed, the dynamics of trust relationships, and systems for trust management. Part Two – Propagation of Trust – describes algorithms and methods for computing trust in social contexts. Social networks, profile similarity, and participation in online communities are all sources from which trust can be computed. The final part – Applications of Trust – contains applications such as recommender systems, website access control, and email filtering, where trust can improve functionality. With contributions from leading researchers in the area of social trust, this book will be welcomed by researchers and graduate students in computer science and information systems, as well as those working in related disciplines where trust may be an issue (such as communications and psychology).