 Laboratory Engineering CNRS and University of Versailles- Brasov, Romania Saint-Quentin-en-Yvelines Versailles, France Tugrul U. Daim Department of Engineering Teck Yoong Chai and Technology Institute for Infocomm Research Management A*STAR (Agency for Science, Portland State University Technology and Research) Portland, Oregon Singapore M. Demeter Dipanjan Chakraborty IBM Research India Siemens Program and System New Delhi, India Engineering Brasov, Romania Byung-Chul Choi Department of Engineering and Goran Dordevic Technology Management Institute for Manufacturing Portland State University Banknotes and Coins NBS Portland, Oregon Beograd, Serbia Contributors Richard Good Milan Markovic Centre for Broadband Networks Security Department University of Cape Town Banca Intesa ad Beograd Cape Town, South Africa Beograd, Serbia Athanasios Karantjias Li-juan Min Department of Computer Science Nanjing University of Posts and University of Piraeus Telecommunications Piraeus, Greece Nanjing, People's Republic of China E. Kayafas Toshiyuki Misu National Technical University of NEC Corporation Athens Tokyo, Japan Athens, Greece Sumit Mittal Helmut Krcmar IBM Research India Information Systems New Delhi, India Technische Universität München A. V. Nedelcu München, Germany Transilvania University of Brasov Brasov, Romania Teck Kiong Lee Institute for Infocomm Research Lek Heng Ngoh A*STAR (Agency for Science, Institute for Infocomm Research Technology and Research) A*STAR (Agency for Science, Singapore Technology and Research) Singapore Jan Marco Leimeister Information Systems George Pentafronimos Universität Kassel Department of Computer Science Kassel, Germany University of Piraeus Piraeus, Greece Stéphane Lopes PRiSM Laboratory Nineta Polemi University of Versailles-Saint- Department of Computer Science Quentin-en-Yvelines University of Piraeus Versailles, France Piraeus, Greece Han-hua Lu Christoph Riedl Nanjing University of Posts and Information Systems Telecommunications Technische Universität München Nanjing, People'