Trust Management : First International Conference iTrust 2003 Heraklion Crete Greece May 28–30 2003 Proceedings This book constitutes the refereed proceedings of the First International Conference on Trust Management iTrust 2003 held in Heraklion Crete Greece in May 2003. The 24 revised full papers presented were carefully reviewed and selected from 58 submissions. This first book devoted to the emerging interdisciplinary field of trust management spans the whole range of relevant topics from technical issues in distributed and open systems to legal social and philosophical aspects