Carlos Alonso González Belarmino Pulido Junquera G. Acosta Lazo César Llamas On-line industrial supervision and diagnosis, knowledge level description and experimental results. 117-132 2001 20 Expert Syst. Appl. 2 http://dx.doi.org/10.1016/S0957-4174(00)00053-1 db/journals/eswa/eswa20.html#GonzalezJLL01