@conference {2, title = {Enhancing Ontological Knowledge through Ontology Population and Enrichment}, booktitle = {In the 14th International Conference on Knowledge Engineering and Knowledge Management (EKAW 2004)}, year = {2004}, month = {00/2004}, pages = {144-156}, publisher = {Springer-Verlag, Lecture Notes in Computer Science 3257/2004}, organization = {Springer-Verlag, Lecture Notes in Computer Science 3257/2004}, author = {A.G. Valarakos and G. Paliouras and V. Karkaletsis and G. Vouros} }