Building the e-World Ecosystem [electronic resource] : 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 / edited by Tomas Skersys, Rimantas Butleris, Lina Nemuraite, Reima Suomi.