1. Masolo, C., Borgo, S., Gangemi, A., Guarino, N., Oltramari, A.: WonderWeb Deliverable D18 – Ontology library. WonderWeb (2003),
http://wonderweb.semanticweb.org/
2. Guarino, N., Welty, C.A.: An overview of OntoClean. In: Staab, S., Studer, R. (eds.) Handbook on ontologies, pp. 151–159. Springer, Berlin (2004)
3. Tett, P., Wilson, H.: From biogeochemical to ecological models of marine microplankton. J. Sys. 25, 431–446 (2000)
4. Gene Ontology Consortium: The Gene Ontology (GO) database and informatics resource. Nucl. Acids Res. 32, D258–D261 (2004)
5. Fielding, J.M., Simon, J., Ceusters, W., Smith, B.: Ontological theory for ontological engineering: biomedical systems information integration. In: 9th International Conference on the Principles of Knowledge Representation and Reasoning (KR 2004), Whistler, Canada (2004)