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. :5070-5072 Aug, 2011
2011 International Conference on Computer Science and Service System (CSSS) Computer Science and Service System (CSSS), 2011 International Conference on. :3383-3385 Jun, 2011