Database and Expert Systems Applications 28th International Conference, DEXA 2017, Lyon, France, August 28-31, 2017, Proceedings, Part I - Benslimane, Djamal; Damiani, Ernesto; Grosky, William I.; Hameurlain, Abdelkader; Sheth, Amit; Wagner, Roland R. (Springer International Publishing : Imprint: Springer, 2017)