Our research focus covers various areas such as cognitive systems, interactive learning, mathematics education, and Semantic Web. Our results base on empirical research. The research areas include:

Knowledge Representation

• Semantic knowledge representation, management, and ontologies
• Semantic search in large knowledge repositories
• Modelling of pedagogical knowledge: competencies, strategies...
• Semantic representation of mathematics

Adaptivity

• Student modelling
• Adaptive hypermedia and adaptive course generation

Exercise Modelling

• Exercise generation
• Diagnosis and adaptive feedback generation
• Erroneous examples and misconceptions

Authoring

• (Intelligent) Authoring tools for Semantic Web knowledge
• Collaborative and distributed authoring
• Peer authoring

Modern Web Applications

• Service architectures
• Web-presentation of mathematics
• User interface design and user input facilities
• Multi-modal output
• Interactive concept mapping

Collaborative Learning

• Action analysis and educational data mining
• Educational data mining
• Natural language processing

E-Portfolio

• Augmental memory
• Learning diary
• Natural language processing