@article {malzahn_using_2012,
	title = {Using Casual Games and Ontologies to Train Unskilled Workers - An Experience with the {FoodWeb} 2.0 Platform. 4th International Conference on Computer Supported Education ({CSEDU)}},
	year = {2012},
	note = {00000},
	author = {Nils Malzahn and Sabrina Ziebarth and Hoppe, H. Ulrich}
}
@conference {ziebarth_using_2009,
	title = {Using Data Mining Techniques to Support the Creation of Competence Ontologies.},
	booktitle = {AIED},
	year = {2009},
	note = {00009},
	pages = {223{\textendash}230},
	author = {Sabrina Ziebarth and Nils Malzahn and H. Ulrich Hoppe}
}
