@conference {8,
	title = {Discovering Subsumption Hierarchies of Ontology Concepts from Text Corpora},
	booktitle = {IEEE/WIC/ACM International Conference on Web Intelligence},
	year = {2007},
	month = {11/2007},
	pages = {402-408},
	doi = {10.1109/WI.2007.47},
	author = {E. Zavitsanos and G. Paliouras and G. Vouros and S. Petridis}
}
