INTRODUCTION
Special Issue on Problem Solving Support in Intelligent
Tutoring Systems
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ARTICLES
Problem-Solving Support in a Constraint-BasedTutor for UML Class Diagrams
Nilufar Baghaei, Antonija Mitrovic and Warwick Irwin
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From Example Studying to Problem Solving via Tailored Computer-Based Meta-Cognitive Scaffolding: Hypotheses and Design
Cristina Conati, Kasia Muldner and Giuseppe Carenini
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An Intelligent Learning Environment for Case-Based Argumentation
Vincent Aleven
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