CoopIS 2004 International Conference (International Conference on Cooperative Information Systems) PC Co-chairs’ Message

We would like to welcome you to the Proceedings of the Twelfth International Conference on Cooperative Information Systems (CoopIS 04). As in previous years, CoopIS is part of the federated conference On the Move (OTM) to Meaningful Internet Systems and Ubiquitous Computing, this year taking place in Agia Napa, Cyprus, together with the International Symposium on Distributed Objects and Applications (DOA) and the International Conference on Ontologies, Databases and Applications of Semantics for large-scale Information Systems (ODBASE).