Web Information Systems Engineering – WISE 2014 15th International Conference, Thessaloniki, Greece, October 12-14, 2014, Proceedings, Part II - Benatallah, Boualem; Bestavros, Azer; Manolopoulos, Yannis; Vakali, Athena; Zhang, Yanchun (Springer International Publishing : Imprint: Springer, 2014)