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 - Skersys, Tomas; Butleris, Rimantas; Nemuraite, Lina; Suomi, Reima (Springer Berlin Heidelberg, 2011)