Frank G. Goethals Monique Snoeck Wilfried Lemahieu Jacques Vandenbulcke Considering (de)centralization in a Web Services World. 22 2007 ICIW http://doi.ieeecomputersociety.org/10.1109/ICIW.2007.26 conf/iciw/2007 db/conf/iciw/iciw2007.html#GoethalsSLV07