Studying Model Ambiguity in a Language ITS
UM '07 Proceedings of the 11th international conference on User Modeling
Authoring Educational Games with Greenmind
ITS '08 Proceedings of the 9th international conference on Intelligent Tutoring Systems
ASPIRE: An Authoring System and Deployment Environment for Constraint-Based Tutors
International Journal of Artificial Intelligence in Education
Evaluating and improving adaptive educational systems with learning curves
User Modeling and User-Adapted Interaction
Authoring constraint-based tutors in ASPIRE
ITS'06 Proceedings of the 8th international conference on Intelligent Tutoring Systems
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Constraint-Based Modelling (CBM) is a student modelling technique for Intelligent Tutoring Systems (ITS) that is especially suited to complex, open-ended domains. It is easier to build tutors in such domains using CBM than other common approaches. We present WETAS(Web-Enabled Tutor Authoring System), a tutoring engine that facilitates the rapid implementation of ITS in new domains using CBM. We describe the architecture of WETAS and give examples of two domains we have implemented. We also present the results of an evaluation of a tutoring system built using WETAS in a New Zealand school.