This book constitutes the refereed proceedings of IFIPTM 2008: Joint iTrust and PST Conferences held in Trondheim, Norway on June 18-20, 2008.The IFIP series publishes state-of-the-art results in the sciences and technologies of information and communication. The scope of the series includes: foundations of computer science; software theory and practice; education; computer applications in technology; communication systems; systems modeling and optimization; information systems; computers and society; computer systems technology; security and protection in information processing systems; artificial intelligence; and human-computer interaction. Proceedings and post-proceedings of refereed international conferences in computer science and interdisciplinary fields are featured. These results often precede journal publication and represent the most current research. The principal aim of the IFIP series is to encourage education and the dissemination and exchange of information about all aspects of computing.

The papers in this volume were peer-reviewed and carefully selectedMuch information in this series is published in advance of journal publicationThe contributors in this volume are world-renowned experts in their field

Full Papers.- Trust Management in P2P Systems Using Standard TuLiP.- A Trust Evaluation Method Based on Logic and Probability Theory.- A UML-based Method for the Development of Policies to Support Trust Management.- Analyzing the Robustness of CertainTrust.- An Intensional Functional Model of Trust.- A Translation Mechanism for Recommendations.- Modeling Trust for Recommender Systems using Similarity Metrics.- Trust-Based Collaborative Filtering.- SOFIA: Social Filtering for Robust Recommendations.- Continuous Ratings in Discrete Bayesian Reputation Systems.- A Robust and Knot-Aware Trust-Based Reputation Model.- The North Laine Shopping Guide: A Case Study in Modelling Trust in Applications.- Cooperation in Growing Communities.- A Model for Reasoning About the Privacy Impact of Composite Service Execution in Pervasive Computing.- Protecting Location Privacy through Semantics-aware Obfuscation Techniques.- Privacy2.0: Towards Collaborative Data-Privacy Protection.- Automatic Verification of Privacy Properties in the Applied pi Calculus.- Place and Time Authentication of Cultural Assets.- A Lightweight Binary Authentication System for Windows.- Towards Standards-Compliant Trust Negotiation for Web Services.- Assigning Responsibility for Failed Obligations.- Role- and Relationship-Based Identity Management for Private yet Accountable E-Learning.- Demonstration Overviews.- Using Rummble as a Personalised Travel Guide.- An Inline Monitoring System for .NET Mobile Devices.- STORE Stochastic Reputation Service for Virtual Organisations.