@incollection{guarino2009ontology, affiliation = {ITSC-CNR, Laboratory for Applied Ontology, 38100 Trento, Italy}, author = {Guarino, Nicola and Oberle, Daniel and Staab, Steffen}, booktitle = {Handbook on Ontologies}, editor = {Staab, Steffen and Studer, Dr. Rudi and Bernus, Peter and Błażewicz, Jacek and Schmidt, Günter J. and Shaw, Michael J.}, interhash = {c0f4c3b6821595bdc50104f5a9af29a0}, intrahash = {f512ff3d350290e87a23935e90ad1f65}, isbn = {978-3-540-92673-3}, keyword = {Bücher}, note = {10.1007/978-3-540-92673-3_0}, pages = {1-17}, publisher = {Springer Berlin Heidelberg}, series = {International Handbooks on Information Systems}, title = {What Is an Ontology?}, url = {http://dx.doi.org/10.1007/978-3-540-92673-3_0}, year = 2009 }