A Comparison of the Manipulation of Certainty Factors by Individuals and Expert System Shells. - David P. Kopcso; Leo Pipino; William Rybolt (J. Manag. Inf. Syst., 1988)

The Human Machine Interface in Decision Support Systems: Comparing the Functional Mappings of Human Subjects to those Generated by Feedforward Neural Networks. - David P. Kopcso; Leo Pipino; William Rybolt; Anne Rybolt (HICSS (2), 1996)

The Assessment of Website Quality. - David P. Kopcso; Leo Pipino; William Rybolt (IQ, 2000)

Factors affecting the assessment of web site quality. - David P. Kopcso; Leo Pipino; William Rybolt (ECIS, 2001)

Introducing Data and Information Quality Principles in Today's College Curriculum via an Introductory Probability and Statistics Cours. - William Rybolt; Leo Pipino (ICIQ, 2012)