Transactions on Large-Scale Data- and Knowledge-Centered Systems XXXIX Special Issue on Database- and Expert-Systems Applications - Hameurlain, Abdelkader; Hameurlain, Abdelkader; Wagner, Roland; Wagner, Roland; Benslimane, Djamal; Benslimane, Djamal; Damiani, Ernesto; Damiani, Ernesto; Grosky, William I.; Grosky, William I. (Springer Berlin Heidelberg : Imprint: Springer, 2018)