Jae-Yoon Jung Joonsoo Bae Rule-Based Ad-Hoc Workflow Modeling for Service Coordination: A Case Study of a Telecom Operational Support System. 2740-2743 2010 93-A IEICE Transactions 12 http://search.ieice.org/bin/summary.php?id=e93-a_12_2740 db/journals/ieicet/ieicet93a.html#JungB10