Yunqing Rao Fei He Xinyu Shao Chaoyong Zhang On-Line Simulation for Shop Floor Control in Manufacturing Execution System. 141-150 2008 ICIRA (2) http://dx.doi.org/10.1007/978-3-540-88518-4_16 conf/icira/2008-2 db/conf/icira/icira2008-2.html#RaoHSZ08