Katja Hose Steffen Metzger Ralf Schenkel Sharing Knowledge between Independent Grid Communities. 152 2011 GI-Jahrestagung https://dl.gi.de/handle/20.500.12116/18866 http://subs.emis.de/LNI/Proceedings/Proceedings192/article256.html conf/gi/2011 db/conf/gi/gi2011.html#HoseMS11