María de los Ángeles Alonso-Lavernia Argelio De-la-Cruz-Rivera Grigori Sidorov Generation of Natural Language Explanations of Rules in an Expert System. 311-314 2006 conf/cicling/2006 CICLing http://dx.doi.org/10.1007/11671299_32 db/conf/cicling/cicling2006.html#Alonso-LaverniaDS06