A theory of diagnosis from first principles
Artificial Intelligence
Cognitive diagnosis for tutoring systems
ECAI '92 Proceedings of the 10th European conference on Artificial intelligence
Constraint-Based Tutors: A Success Story
Proceedings of the 14th International conference on Industrial and engineering applications of artificial intelligence and expert systems: engineering of intelligent systems
Automatic Problem Generation in Constraint-Based Tutors
ITS '02 Proceedings of the 6th International Conference on Intelligent Tutoring Systems
Tailoring Feedback by Correcting Student Answers
ITS '00 Proceedings of the 5th International Conference on Intelligent Tutoring Systems
Designed intelligence: a language teacher model
Designed intelligence: a language teacher model
Responding intelligently to unparsable inputs
Computational Linguistics
Anticipation-free diagnosis of structural faults
COLING '90 Proceedings of the 13th conference on Computational linguistics - Volume 3
Robust parsing with weighted constraints
Natural Language Engineering
Constraint based integration of deep and shallow parsing techniques
EACL '03 Proceedings of the tenth conference on European chapter of the Association for Computational Linguistics - Volume 1
A comparative analysis of cognitive tutoring and constraint-based modeling
UM'03 Proceedings of the 9th international conference on User modeling
Parsing unrestricted german text with defeasible constraints
CSLP'04 Proceedings of the First international conference on Constraint Solving and Language Processing
Studying Model Ambiguity in a Language ITS
UM '07 Proceedings of the 11th international conference on User Modeling
FeGA: A Feedback-Generating Agent
WI-IAT '08 Proceedings of the 2008 IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology - Volume 02
Problem Solving Process Oriented Diagnosis in Logic Programming
Proceedings of the 2006 conference on Learning by Effective Utilization of Technologies: Facilitating Intercultural Understanding
Fifteen years of constraint-based tutors: what we have achieved and where we are going
User Modeling and User-Adapted Interaction
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Constraint-based modeling has been used in many application areas of Intelligent Tutoring Systems as a powerful means to analyse erroneous student solutions and generate helpful feedback. In contrast to domains where the structure of the problem under consideration allows a constraint to (almost) uniquely determine the possible cause of a particular student error, there are other applications where a multitude of competing error explanations has to be considered. In such cases constraint-based models alone hardly meet the requirements for a student model. Instead a constraint-based model clearly serves the purpose of error diagnosis and needs to be complemented by additional components for diagnosis selection based on general or individually tailored heuristics. By investigating the apparent and strong parallelism between constraint-based modeling and model-based diagnosis, this paper identifies four major sources of ambiguity that need to be considered when using constraint-based modeling and describes options for dealing with situations in which alternative error descriptions are available. Examples are primarily drawn from the area of foreign language learning.