Ginsberg, Allen, Weiss, Sholom M. and Politakis, Peter. 1988. “Automatic Knowledge Base Refinement for Classification Systems.”Artificial Intelligence 35(2): 197–226.
Politakis, Peter and Weiss, Sholom M. 1984. “Using Empirical Analysis to Refine Expert System Knowledge Bases.”Artificial Intelligence 22(1): 23–48.