A field observation study of an expert system prototype development. - James C. Hershauer; Ahmer Karim; Heidi D. Owens; Andrew Philippakis (Inf. Manag., 1989)

Using Deontic Logic for Knowledge Integrity Control. - Heidi D. Owens; Andrew Philippakis (HICSS (3), 1994)

Inductive consistency in knowledge-based decision support systems. - Heidi D. Owens; Andrew S. Philippakis (Decis. Support Syst., 1995)