Governance of Cross-Organizational Healthcare Document Exchange through Watermarking Services and Alerts. - Dickson K. W. Chiu; Yuexuan Wang; Patrick C. K. Hung; Vivying S. Y. Cheng; Kai-Kin Chan; Eleanna Kafeza; Wei-Feng Tung (Int. J. Syst. Serv. Oriented Eng., 2011)