1. A comparison of formal knowledge representationschemes as communication tools: predicate logic vs semantic network
2. Azevedo, R, Guthrie, J., Wang, H-Y., & Mulhern, J. (2001, April). Do different instructional interventions facilitate students' ability to shift to more sophisticated mental models of complex systems? Paper presented at the annual meeting of the American Educational Research Association, Seattle, WA
3. Knowledge Organization and Text Organization