Takashi Matsuda Tadashi Horiuchi Hiroshi Motoda Takashi Washio Graph-Based Induction for General Graph Structured Data and Its Application to Chemical Compound Data. 99-111 http://link.springer.de/link/service/series/0558/bibs/1967/19670099.htm 2000 conf/dis/2000 Discovery Science db/conf/dis/dis2000.html#MatsudaHMW00