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Issue No. 04 - July/August (2007 vol. 22)
ISSN: 1541-1672
pp: 38-45
Antonija Mitrovic , University of Canterbury
Brent Martin , University of Canterbury
Pramuditha Suraweera , University of Canterbury
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.
artificial intelligence, education, knowledge representation formalisms and methods, knowledge modeling, computer-assisted instruction, intelligent tutoring systems

B. Martin, P. Suraweera and A. Mitrovic, "Intelligent Tutors for All: The Constraint-Based Approach," in IEEE Intelligent Systems, vol. 22, no. , pp. 38-45, 2007.
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