@article {201,
	title = {Learning Subsumption Hierarchies of Ontology Concepts from Texts},
	journal = {Web Intelligence and Agent Systems: An International Journal, IOS Press},
	volume = {8},
	year = {2010},
	chapter = {37},
	author = {E. Zavitsanos and G. Paliouras and G. Vouros and S. Petridis}
}
