1. A3H International Workshop on Authoring of Adaptive and Adaptable Hypermedia,
http://www.win.tue.nl/~acristea/A3H/
2. Karampiperis, P., Sampson, D.G.: A Flexible Authoring Tool Supporting Learning Activities. In: Proceedings of the IADIS International Conference on Cognition and Exploratory Learning in Digital Age, CELDA 2004, Lisbon, Portugal, pp. 51–58 (2004)
3. Dagger, D., Wade, V., Conlan, O.: Personalisation for All: Making Adaptive Course Composition Easy. Educational Technology & Society 8(3), 9–25 (2005)
4. Web-based Hierarchical Universal Reactive Learning Environment (WHURLE),
http://whurle.sourceforge.net/
5. Intelligent Distributed Cognitive-based Open Learning System for Schools (iClass), European Commission FP6 IST Project,
http://www.iclass.info