Takashi Matsuda Tadashi Horiuchi Hiroshi Motoda Takashi Washio Extension of Graph-Based Induction for General Graph Structured Data. 420-431 2000 conf/pakdd/2000 PAKDD db/conf/pakdd/pakdd2000.html#MatsudaHMW00 http://dx.doi.org/10.1007/3-540-45571-X_49