An Intelligent Tutoring System for Entity Relationship Modelling
International Journal of Artificial Intelligence in Education
The Andes Physics Tutoring System: Lessons Learned
International Journal of Artificial Intelligence in Education
A comparative analysis of cognitive tutoring and constraint-based modeling
UM'03 Proceedings of the 9th international conference on User modeling
Authoring constraint-based tutors in ASPIRE
ITS'06 Proceedings of the 8th international conference on Intelligent Tutoring Systems
Student Knowledge Diagnosis Using Item Response Theory and Constraint-Based Modeling
Proceedings of the 2009 conference on Artificial Intelligence in Education: Building Learning Systems that Care: From Knowledge Representation to Affective Modelling
Revisiting Ill-Definedness and the Consequences for ITSs
Proceedings of the 2009 conference on Artificial Intelligence in Education: Building Learning Systems that Care: From Knowledge Representation to Affective Modelling
A Probabilistic Model for Student Knowledge Diagnosis in Learning Environments
Proceedings of the 2009 conference on Artificial Intelligence in Education: Building Learning Systems that Care: From Knowledge Representation to Affective Modelling
Intelligent tutoring systems: new challenges and directions
IJCAI'09 Proceedings of the 21st international jont conference on Artifical intelligence
ASPIRE: An Authoring System and Deployment Environment for Constraint-Based Tutors
International Journal of Artificial Intelligence in Education
Data-driven student knowledge assessment through ill-defined procedural tasks
CAEPIA'09 Proceedings of the Current topics in artificial intelligence, and 13th conference on Spanish association for artificial intelligence
Evaluating an Intelligent Tutoring System for Making Legal Arguments with Hypotheticals
International Journal of Artificial Intelligence in Education
Evaluating a general model of adaptive tutorial dialogues
AIED'11 Proceedings of the 15th international conference on Artificial intelligence in education
Fifteen years of constraint-based tutors: what we have achieved and where we are going
User Modeling and User-Adapted Interaction
Exploring quality of constraints for assessment in problem solving environments
ITS'12 Proceedings of the 11th international conference on Intelligent Tutoring Systems
ITS'12 Proceedings of the 11th international conference on Intelligent Tutoring Systems
ACM Transactions on Interactive Intelligent Systems (TiiS) - Special issue on highlights of the decade in interactive intelligent systems
The effect of positive feedback in a constraint-based intelligent tutoring system
Computers & Education
Domain-specific knowledge representation and inference engine for an intelligent tutoring system
Knowledge-Based Systems
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Intelligent tutoring systems have revolutionized online education by providing individualized instruction for each student. Constraint-based tutors model instructional domains at an abstract level, a novel approach that simplifies development of these systems. Over the last decade, the University of Canterbury's Intelligent Computer Tutoring Group has developed effective constraint-based tutors for various instructional domains; some of these tutors have been successfully commercialized. Constraint-based tutoring is a mature, successful approach to providing adaptive learning environments. ICTG-developed authoring tools aim to make this technology widely available to teachers and students. This article is part of a special issue on intelligent educational systems.