Tomas Skersys, Rimantas Butleris, Lina Nemuraite, Reima Suomi: Building the e-World Ecosystem - 11th IFIP WG 6.11 Conference on e-Business, e-Services, and e-Society, I3E 2011, Kaunas, Lithuania, October 12-14, 2011, Revised Selected Papers. IFIP Advances in Information and Communication Technology 353, Springer 2011, ISBN 978-3-642-27259-2