SOFSEM 2011: Theory and Practice of Computer Science 37th Conference on Current Trends in Theory and Practice of Computer Science, Nový Smokovec, Slovakia, January 22-28, 2011. Proceedings - Černá, Ivana; Gyimóthy, Tibor; Hromkovič, Juraj; Jefferey, Keith; Králović, Rastislav; Vukolić, Marko; Wolf, Stefan (Springer Berlin Heidelberg : Imprint: Springer, 2011)