@inproceedings{TUW-139849, author = {Graf, Sabine}, title = {Fostering Adaptivity in E-Learning Platforms: A Meta-Model supporting adaptive courses}, booktitle = {Proceedings of IADIS International Conference on Cognition and Exploratory Learning in Digital Age (CELDA 2005)}, year = {2005}, publisher = {IADIS Press}, numpages = {549}, url = {http://www.big.tuwien.ac.at/research/publications/2005/1505.pdf}, isbn = {972-8924-07-0}, note = {Vortrag: IADIS International Conference on Cognition and Exploratory Learning in Digital Age (CELDA 2005), Porto, Portugal; 2005-12-14 -- 2005-12-16} }