Extract Frequent Pattern from Simple Graph Data. - Qingqing Yuan; Yubo Lou; Haofeng Zhou; Wei Wang 009; Baile Shi (WAIM, 2002)

Refining Web Authoritative Resource by Frequent Structures. - Haofeng Zhou; Yubo Lou; Qingqing Yuan; Wilfred Ng; Wei Wang 009; Baile Shi (IDEAS, 2003)