PC Co-chairs’ Message
The Cooperative Information System (CIS) paradigm has been growing and gaining substantial importance the support of information and service interoperation and integration. CoopIS is the leading conference for researchers and practitioners in CIS. CoopIS brings together researchers from a variety of disciplines such as database modeling and integration, collaborative work, Internet data management, electronic commerce, human-computer interaction, agent technologies, and software architectures (particularly middleware). CoopIS has always had an interdiscipliary focus, and papers that explore applications in these areas are also included.