1. Beavers, G and Hexmoor, H. 2002. Obligations in a BDI agent architecture. Proceedings of the International Conference on Artificial Intelligence (IC-AI 2002). 2002. pp.1334–1340.
2. Beavers, G and Hexmoor, H. 2003. Understanding agent trust. Proceedings of the International Conference on Artificial Intelligence (IC-AI 2003). 2003. pp.769–775.
3. Norms of Cooperation