1- A Quantitative Trust Model for Negotiating Agents, Imperial College London

2- Trusting Communicating Agent-based Systems, Oxford Brookes University, Oxford

3- A Framework to Engineer Communities of Web Services, Royal Holloway, University of London

4- Argumentation and Trust: Issues and New Challenges, University of Namur, Belgium

5- Multi-Agent Systems: Principles and Challenges: INPT, Morocco