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