Database Systems for Advanced Applications DASFAA 2015 International Workshops, SeCoP, BDMS, and Posters, Hanoi, Vietnam, April 20-23, 2015, Revised Selected Papers - Liu, An; Ishikawa, Yoshiharu; Qian, Tieyun; Nutanong, Sarana; Cheema, Muhammad Aamir (Springer International Publishing : Imprint: Springer, 2015)