The 9^th IEEE Conference on E-Commerce Technology (CEC' 07) and the 4^th IEEE Conference on Enterprise Computing, E-Commerce and E-Services (EEE ' 07) are the flagship annual conferences of the IEEE Computer Society Technical Committee on E-Commerce. In 2007, we will hold both conferences together as a joint event, providing a platform for researchers and practitioners interested in the theory and practice of E-Commerce and Enterprise Computing. The joint conference will focus on new technologies and methods that enable business processes to smoothly extend in a cross-enterprise environment, including solutions to facilitate business coalition in a flexible and dynamic manner over coming Next Generation Internet which provides ubiquitous, multimedia, and secure communication services. The program of CEC' 07/EEE' 07 will consist of invited talks, paper presentations, and panel discussions. We invite submissions of high quality papers describing fully developed results or on-going work.

For more details of these conferences, please visit http://ieejc.ise.eng.osaka-u.ac.jp/CEC2007/.