The style characteristic of China's stock market: an application to PCA for interval symbolic data. - Dingmu Cao; Wen Long (HDSDA, 2011)

The Style and Structure of Chinese Stock Market in 2005 2010: Based on Symbolic Principal Component Analysis. - Wen Long; Dingmu Cao (BIFE, 2012)

Sector Indices Correlation Analysis in China's Stock Market. - Dingmu Cao; Wen Long; Wenning Yang (ITQM, 2013)