A Simple Mathematically Based Framework for Rule Extraction from an Arbitrary Programming Language. - Frederick V. Ramsey; James J. Alpigini (COMPSAC, 2002)

Rough Sets, Guarded Command Language, and Decision Rules. - Frederick V. Ramsey; James J. Alpigini (Rough Sets and Current Trends in Computing, 2002)

A Simple Mathematically Based Framework for Rule Extraction Using Wide Spectrum Language. - Frederick V. Ramsey; James J. Alpigini (SCAM, 2002)