Transactions on Large-Scale Data- and Knowledge-Centered Systems XXVII Special Issue on Big Data for Complex Urban Systems - Hameurlain, Abdelkader; Küng, Josef; Wagner, Roland; Anjomshoaa, Amin; Hung, Patrick C. K.; Kalisch, Dominik; Sobolevsky, Stanislav (Springer Berlin Heidelberg : Imprint: Springer, 2016)