- Christos Douligeris, Nineta Polemi, Athanasios Karantjias, Winfried Lamersdorf, editors, Collaborative, Trusted and Privacy-Aware e/m-Services - 12th IFIP WG 6.11 Conference on e-Business, e-Services, and e-Society, I3E 2013, Athens, Greece, April 25-26, 2013. Proceedings. Volume 399 of IFIP Advances in Information and Communication Technology, Springer, 2013.