Backward Reasoning on Rule-Based System Modeled by Fuzzy Petri Nets through Backward Tree.

Rong Yang Pheng-Ann Heng Kwong-Sak Leung Backward Reasoning on Rule-Based System Modeled by Fuzzy Petri Nets through Backward Tree. 18-22 2002 conf/fskd/2002 FSKD db/conf/fskd/fskd2002.html#YangHL02