Henry Tan Tharam S. Dillon Fedja Hadzic Elizabeth Chang Ling Feng IMB3-Miner: Mining Induced/Embedded Subtrees by Constraining the Level of Embedding. 450-461 2006 conf/pakdd/2006 PAKDD http://dx.doi.org/10.1007/11731139_52 db/conf/pakdd/pakdd2006.html#TanDHCF06