Michael Von Riegen Martin Husemann Norbert Ritter Providing Decision Capabilities to Coordinators in Distributed Processes. 500-505 2008 ICIW http://doi.ieeecomputersociety.org/10.1109/ICIW.2008.18 conf/iciw/2008 db/conf/iciw/iciw2008.html#RiegenHR08