Learning procedural knowledge through observation
Proceedings of the 1st international conference on Knowledge capture
WETAS: A Web-Based Authoring System for Constraint-Based ITS
AH '02 Proceedings of the Second International Conference on Adaptive Hypermedia and Adaptive Web-Based Systems
An Intelligent Tutoring System for Entity Relationship Modelling
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
Expanding the Plausible Solution Space for Robustness in an Intelligent Tutoring System
ITS '08 Proceedings of the 9th international conference on Intelligent Tutoring Systems
Constraint Authoring System: An Empirical Evaluation
Proceedings of the 2007 conference on Artificial Intelligence in Education: Building Technology Rich Learning Contexts That Work
Problem Solving Process Oriented Diagnosis in Logic Programming
Proceedings of the 2006 conference on Learning by Effective Utilization of Technologies: Facilitating Intercultural Understanding
I learn from you, you learn from me: How to make iList learn from students
Proceedings of the 2009 conference on Artificial Intelligence in Education: Building Learning Systems that Care: From Knowledge Representation to Affective Modelling
ASPIRE: An Authoring System and Deployment Environment for Constraint-Based Tutors
International Journal of Artificial Intelligence in Education
Knowledge acquisition in intelligent tutoring system: a data mining approach
MICAI'07 Proceedings of the artificial intelligence 6th Mexican international conference on Advances in artificial intelligence
Expanding the Space of Plausible Solutions in a Medical Tutoring System for Problem-Based Learning
International Journal of Artificial Intelligence in Education
Widening the Knowledge Acquisition Bottleneck for Constraint-based Tutors
International Journal of Artificial Intelligence in Education
METEOR: medical tutor employing ontology for robustness
Proceedings of the 16th international conference on Intelligent user interfaces
Leveraging a domain ontology to increase the quality of feedback in an intelligent tutoring system
ITS'10 Proceedings of the 10th international conference on Intelligent Tutoring Systems - Volume Part I
Authoring constraint-based tutors in ASPIRE
ITS'06 Proceedings of the 8th international conference on Intelligent Tutoring Systems
The cognitive tutor authoring tools (CTAT): preliminary evaluation of efficiency gains
ITS'06 Proceedings of the 8th international conference on Intelligent Tutoring Systems
Fifteen years of constraint-based tutors: what we have achieved and where we are going
User Modeling and User-Adapted Interaction
Employing UMLS for generating hints in a tutoring system for medical problem-based learning
Journal of Biomedical Informatics
Building domain ontologies from text for educational purposes
EC-TEL'07 Proceedings of the Second European conference on Technology Enhanced Learning: creating new learning experiences on a global scale
Clinical reasoning gains in medical PBL: an UMLS based tutoring system
Journal of Intelligent Information Systems
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Building a domain model consumes a major portion of the time and effort required for building an Intelligent Tutoring System. Past attempts at reducing the knowledge acquisition bottleneck by automating the knowledge acquisition process have focused on procedural tasks. We present CAS (Constraint Acquisition System), an authoring system for automatically acquiring the domain model for non-procedural as well as procedural constraint-based tutoring systems. CAS follows a four-phase approach: building a domain ontology, acquiring syntax constraint directly from it, generating semantic constraints by learning from examples and validating the generated constraints. This paper describes the knowledge acquisition process and reports on results of a preliminary evaluation. The results have been encouraging and further evaluations are planned.