Asuman Dogac M. Ezbiderli Yusuf Tambag C. Icdem Arif Tumer Nesime Tatbul N. Hamali Catriel Beeri The MARIFlow Workflow Management System. 193 2000 ICDE http://doi.ieeecomputersociety.org/10.1109/ICDE.2000.839407 db/conf/icde/icde2000.html#DogacETITTHB00