Business Information Systems Workshops BIS 2012 International Workshops and Future Internet Symposium, Vilnius, Lithuania, May 21-23, 2012 Revised Papers - Abramowicz, Witold.; Abramowicz, Witold.; Domingue, John.; Domingue, John.; Wecel, Krzysztof.; Wecel, Krzysztof. (Springer Berlin Heidelberg : Imprint: Springer, 2012)