Juha Savolainen Anssi Karhinen Matching Service Requirements to Empirical Capability Models in Service-Oriented Architectures. 1156-1161 2008 COMPSAC http://doi.ieeecomputersociety.org/10.1109/COMPSAC.2008.142 conf/compsac/2008 db/conf/compsac/compsac2008.html#SavolainenK08