Fundamentals of Database Systems, Fourth Edition
Fundamentals of Database Systems, Fourth Edition
Facilitating deep learning through self-explanation in an open-ended domain
International Journal of Knowledge-based and Intelligent Engineering Systems - Innovational Soft Computing
Intelligent Tutors for All: The Constraint-Based Approach
IEEE Intelligent Systems
An Intelligent Tutoring System for Entity Relationship Modelling
International Journal of Artificial Intelligence in Education
Evaluating Legal Argument Instruction with Graphical Representations Using LARGO
Proceedings of the 2007 conference on Artificial Intelligence in Education: Building Technology Rich Learning Contexts That Work
AIED Applications in Ill-Defined Domains
Proceedings of the 2007 conference on Artificial Intelligence in Education: Building Technology Rich Learning Contexts That Work
Concepts, Structures, and Goals: Redefining Ill-Definedness
International Journal of Artificial Intelligence in Education
Towards Individualized Dialogue Support for Ill-Defined Domains
International Journal of Artificial Intelligence in Education
Multi-perspective context modelling to augment adaptation in simulated learning environments
UMAP'11 Proceedings of the 19th international conference on User modeling, adaption, and personalization
Evaluating a general model of adaptive tutorial dialogues
AIED'11 Proceedings of the 15th international conference on Artificial intelligence in education
An authoring language as a key to usability in a problem-solving ITS framework
ITS'10 Proceedings of the 10th international conference on Intelligent Tutoring Systems - Volume Part II
The design of a system to support exploratory learning of algebraic generalisation
Computers & Education
ITS'10 Proceedings of the 10th international conference on Intelligent Tutoring Systems - Volume Part I
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
Exploring two strategies for teaching procedures
ITS'12 Proceedings of the 11th international conference on Intelligent Tutoring Systems
Using examples in intelligent tutoring systems
ITS'12 Proceedings of the 11th international conference on Intelligent Tutoring Systems
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ITSs for ill-defined domains have attracted a lot of attention recently, which is well-deserved, as such ITSs are hard to develop. The first step towards such ITSs is reaching a wide agreement about the terminology used in the area. In this paper, we discuss the two important dimensions of ill-definedness: the domain and the instructional task. By the domain we assume declarative domain knowledge, or the domain theory, while the instructional task is the task the student is learning, in terms of problem-solving skills. It is possible to have a well-defined domain and still have ill-defined instructional tasks in the same domain. We look deeper at the features of ill-defined tasks, which all contribute to their ill/well defined nature. The paper discusses model-tracing and constraint-based modeling, in terms of their suitability for ill-defined tasks and domains. We show that constraint-based modeling can be used in both well-and illdefined domains, and illustrate our conclusion using several instructional tasks.