P. Gärdenfors. Formal Ontology in Information Systems: proceedings of the third international conference (FOIS-2004), Volume 114 von Frontiers in Artificial Intelligence and Applications, Seite 17--34. IOS Press, (2004)
P. Mutton, und J. Golbeck. IV '03: Proceedings of the Seventh International Conference on Information Visualization, Washington, DC, USA, IEEE Computer Society, (2003)