Stephan Aier Philipp Offermann Marten Schönherr Christian Schröpfer Implementing Non-functional Service Descriptions in SOAs. 40-53 2006 conf/teaa/2006 TEAA http://dx.doi.org/10.1007/978-3-540-75912-6_4 db/conf/teaa/teaa2006.html#AierOSS06