Karsten Strehl Claudio Moraga Karl-Heinz Temme Radomir S. Stankovic Fuzzy Decision Diagrams for the Representation, Analysis and Optimization of Rule Bases. 127-132 2000 ISMVL http://computer.org/proceedings/ismvl/0692/06920127abs.htm db/conf/ismvl/ismvl2000.html#StrehlMTS00