This volume presents proceedings from the 19th IFIP World Computer Congress in Santiago, Chile. The proceedings of the World Computer Congress are a product of the gathering of 2,000 delegates from more than 70 countries to discuss a myriad of topics in the ICT domain. Of particular note, this marks the first time that a World Computer Congress has been held in a Latin American country. Topics in this series include:* The 4th International Conference on Theoretical Computer Science * Education for the 21st Century- Impact of ICT and Digital Resources * Mobile and Wireless Communication Networks * Ad-Hoc Networking * Network Control and Engineering for QoS, Security, and Mobility * The Past and Future of Information Systems: 1976-2006 and Beyond * History of Computing and Education * Biologically Inspired Cooperative Computing * Artificial Intelligence in Theory and Practice * Applications in Artificial Intelligence * Advanced Software Engineering: Expanding the Frontiers of Software For a complete list of the more than 300 titles in the IFIP Series, visit springer.com. For more information about IFIP, please visit ifip.org.