2011 2nd International Conference on Artificial Intelligence, Management Science and Electronic Commerce (AIMSEC) Artificial Intelligence, Management Science and Electronic Commerce (AIMSEC), 2011 2nd International Conference on. :948-950 Aug, 2011
2008 IEEE International Conference on Automation and Logistics Automation and Logistics, 2008. ICAL 2008. IEEE International Conference on. :2569-2571 Sep, 2008