WSPR*: Web-Service Planner Augmented with A* Algorithm. - Seog-Chan Oh; Ju-Yeon Lee; Seon-Hwa Cheong; Soo-Min Lim; Min-Woo Kim; Sang-Seok Lee; Jin-Bum Park; Sang Do Noh; Mye M. Sohn (CEC, 2009)