An Efficient Algorithm for Mining Both Closed and Maximal Frequent Free Subtrees Using Canonical Forms. - Ping Guo 003; Yang Zhou 001; Jun Zhuang; Ting Chen; Yan-Rong Kang (ADMA, 2005)

Frequent Subgraph Structure Mining. - Ping Guo 003; Yan-Rong Kang; Zhong-Lin Chen (IICAI, 2005)

Frequent mining of subgraph structures. - Ping Guo 003; Xin-Ru Wang; Yan-Rong Kang (J. Exp. Theor. Artif. Intell., 2006)