Beytullah Yildiz Geoffrey Fox Shrideep Pallickara An Orchestration for Distributed Web Service Handlers. 638-643 2008 ICIW http://doi.ieeecomputersociety.org/10.1109/ICIW.2008.55 conf/iciw/2008 db/conf/iciw/iciw2008.html#YildizFP08