1. M. Albers, C. M. Jonker, M. Karami, and J. Treur. An electronic market place: generic agent models, ontologies and knowledge. In Proc. of the Agents’99 Workshop: “Agent-based decision-support for managing the Interned-enabled supply-chain”, pages 71–80, Seattle, WA, 1999.
2. L. Ardissono, C. Barbero, A. Goy, and G. Petrone. An agent architecture for personalized web stores. In Proc. 3rd Int. Conf. on Autonomous Agents (Agents’ 99), pages 182–189, Seattle, WA, 1999.
3. L. Ardissono and A. Goy. Tailoring the interaction with users in electronic shops. In Proc. 7th Int. Conf. on User Modeling, pages 35–44, Banff, Canada, 1999.
4. L. Ardissono, A. Goy, R. Meo, and G. Petrone. An agent architecture for personalized interaction with customers in virtual stores. In Proc. Int. IFIP/GI Working Conf. on Trends in Distributed Systems for Electronic Commerce (TrEC’98), pages 137–148. Dpunkt Verlag, Heidelberg, Germany, 1998.
5. L. Ardissono, A. Goy, R. Meo, G. Petrone, L. Console, L. Lesmo, C. Simone, and P. Torasso. A configurable system for the construction of adaptive virtual stores. World Wide Web, 2(3):143–159, 1999.