[IEEE 2008 International Symposium on Knowledge Acquisition and Modeling (KAM) - Wuhan, China (2008.12.21-2008.12.22)] 2008 International Symposium on Knowledge Acquisition and Modeling - Analysis on Price Fluctuation of Horticulture Products Based on DWT and SVARZhao, Yu; Zhang, Yu; Qi, Chunjie · 2008

[IEEE 2009 Second International Symposium on Electronic Commerce and Security - Nanchang City, China (2009.05.22-2009.05.24)] 2009 Second International Symposium on Electronic Commerce and Security - Transaction Behavior and Volatility of Price Signals in Futures MarketZhao, Yu; Zhang, Yu; Qi, Chunjie · 2009

[IEEE 2008 International Seminar on Future Information Technology and Management Engineering (FITME) - Leicestershire, United Kingdom (2008.11.20-2008.11.20)] 2008 International Seminar on Future Information Technology and Management Engineering - Research on the Source of Grain Output Growth Based on SFA ModelZhao, Yu; Zhang, Yu; Qi, Chunjie · 2008

[IEEE 2008 Pacific-Asia Workshop on Computational Intelligence and Industrial Application (PACIIA) - Wuhan, China (2008.12.19-2008.12.20)] 2008 IEEE Pacific-Asia Workshop on Computational Intelligence and Industrial Application - Prediction Model of Stock Market Returns Based on Wavelet Neural NetworkZhao, Yu; Zhang, Yu; Qi, Chunjie · 2008

[IEEE 2009 International Asia Conference on Informatics in Control, Automation and Robotics (CAR) - Bangkok, Thailand (2009.02.1-2009.02.2)] 2009 International Asia Conference on Informatics in Control, Automation and Robotics - The Interaction between Chinese Export Price and World Import Price of TangerinesZhao, Yu; Zhang, Yu; Qi, Chunjie · 2009

[IEEE 2009 2nd IEEE International Conference on Computer Science and Information Technology - Beijing, China (2009.08.8-2009.08.11)] 2009 2nd IEEE International Conference on Computer Science and Information Technology - Impulse response of export price to production cost based on data miningYu Zhang, ; Yu Zhao, ; Chunjie Qi, · 2009