C. J. SerrĂ£o et al., "Using Service-oriented architectures towards Rights Management Interoperability", in Proc. of the 2nd Int. Joint Conf.s on Computer, Information and System Sciences, and Engineering (CISSE2006), Bridgeport, USA, Toshio Fukuda, Tarek Sobh , Khaled Elleithy , Ed., Bridgeport, University of Bridgeport , 2006