Gilbert Babin & Peter Kropf 
E-Technologies: Innovation in an Open World 
4th International Conference, MCETECH 2009, Ottawa, Canada, May 4-6, 2009, Proceedings

This volume constitutes the proceedings of the 4th International Conference on E-Technologies, MCETECH 2009, held in Ottawa, Canada, during May 4-6, 2009. The 23 full and 4 short papers included in this volume were carefully reviewed and selected from a total of 42 submissions. They cover topics such as inter-organzational processes, service-oriented architectures, security and trust, middleware infrastructures, open source and open environments, and applications including e Government, e Education, and e Health.