Modeling and Optimization of High-Technology Manufacturing Productivity. - Sheng Xu; Hui-Fang Zhao; Zhao-Hua Sun; Xiao-Hua Bao (ISNN (2), 2006)

A Grey SVM based model for patent application filings forecasting. - Sheng Xu; Hui-Fang Zhao; Xuanli Lv (FUZZ-IEEE, 2008)

A P-SVM and chaos based model for high-technology manufacturing labor productivity. - Hui-Fang Zhao; Sheng Xu; Changhui Yang (IJCNN, 2008)

Modeling the Region Patent Applications Based on P-SVM and SA. - Sheng Xu; Tingzheng Tang; Hui-Fang Zhao (J. Comput., 2011)