CoopIS 2005 PC Co-chairs’ Message

This volume contains the proceedings of the Thirteenth International Conference on Cooperative Information Systems, CoopIS 2005, held in Agia Napa, Cyprus, November 2 – 4, 2005.

CoopIS is the premier conference for researchers and practitioners concerned with the vital task of providing easy, flexible, and intuitive access and organization of information systems for every type of need. This conference draws on several research areas, including CSCW, Internet data management, electronic commerce, human-computer interaction, workflow management, web services, agent technologies, and software architectures.

These proceedings contain 33 original papers out of 137 submissions. Papers went through a rigorous reviewing process (3 reviewers per paper) and were sometimes discussed by email. The papers cover the fields of Workflows, Web Services, Peer-to-Peer interaction, Semantics, Querying, Security, Mining, Clustering, and Integrity. We wish to thank the authors for their excellent papers, the Program Committee members, and the referees for their effort. They all made the success of CoopIS 2005 possible.