Extracting knowledge from examples: Induction of heuristic rules for wheelchair prescription. - Sean M. Callahan; Gerard Voland (J. Intell. Robotic Syst., 1995)

Relating Functional Schematics to Hierarchical Mechanical Assemblies. - Sean M. Callahan (Symposium on Solid Modeling and Applications, 1997)

A Design Representation to Support Automated Design Generation. - Jeff Heisserman; Sean M. Callahan; Raju S. Mattikalli (AID, 2000)