@incollection{TUW-121143, author = {Frank, Andrew U.}, title = {Ontology}, booktitle = {Encyclopedia of Geographic Information Science}, year = {2008}, editor = {Kemp, Karen}, pages = {326--329}, organization = {SAGE}, publisher = {SAGE Publications}, address = {Los Angeles, London, New Delhi, Singapore}, isbn = {978-1-4129-1313-3}, note = {invited} }