Using Ontologies to Author Constraint-Based Intelligent Tutoring Systems. - Pramuditha Suraweera; Antonija Mitrovic; Brent Martin; Jay Holland; Nancy Milik; Konstantin Zakharov; Nicholas McGuigan (Semantic Web Technologies for e-Learning, 2009)

ASPIRE: An Authoring System and Deployment Environment for Constraint-Based Tutors. - Antonija Mitrovic; Brent Martin; Pramuditha Suraweera; Konstantin Zakharov; Nancy Milik; Jay Holland; Nicholas McGuigan (Int. J. Artif. Intell. Educ., 2009)