Acknowledgments

The ESAW workshop series is the result of a collaboration promoted by AgentLink, the European Network of excellence for Agent-Based Computing. The organizers of the present edition wish to acknowledge the permission granted to mark the event with the AgentLink III seal of quality.

ESAW’04 is also supported by ARTAL Technologies, ILOG, and Whitestein, IRIT (Institut de Recherche en Informatique de Toulouse), Università degli Studi di Bologna in Cesena, Università di Modena e Reggio Emilia, Università de Modena, and Université Paul Sabatier in Toulouse.

Springer Verlag has accepted to edit post-proceedings.