@InProceedings{b9,
	author = 	{C. Papatheodorou and A. Vassiliou and B. Simon},
	title = 	{Discovery of Ontologies for Learning Resources Using Word-based Clustering},
	year = 	{2002},
	month = 	{August},
	category = 	{NM},
	pdf = 	{http://www.wu-wien.ac.at/usr/wi/bsimon/publikationen/EDMEDIA2002.pdf},
	booktitle = 	{ED-MEDIA 2002. Copyright by AACE. Reprinted from the ED-MEDIA 2002 Proceedings, August 2002 with permission of AACE},
	address = 	{Denver, USA},
	editor = 	{Barker P. and S. A. Rebelsky},
	publisher = 	{AACE},
}