The 5th International Conference on Intelligent Environments (IE09), held at the Polytechnic University of Catalonia, Castelldefels, Barcelona, Spain, provides a multidisciplinary forum for researchers and engineers from across the world to present their latest research and to discuss future directions in the area of intelligent environments. This volume forms the combined proceedings of five workshops held at the IE09. Included are the proceedings of Workshop on Digital Object Memories (DOMe09); Workshop on RFID Concepts, Practices and Solutions (RFID09); Workshop on Artificial Intelligence Techniques for Ambient Intelligence (AITAmI09); Workshop on Ethical Design of Ambient Intelligence (EDAmI09); and Workshop on Smart Offices and Other Workplaces (SOOW09). IOS Press is an international science, technical and medical publisher of high-quality books for academics, scientists, and professionals in all fields. Some of the areas we publish -Biomedicine-Oncology-Artificial intelligence-Databases and information systems-Maritime engineering-Nanotechnology-Geoengineering-All aspects of physics-E-governance-E-commerce-The knowledge economy-Urban studies-Arms control-Understanding and responding to terrorism-Medical informatics-Computer Sciences