Bloehdorn, Stephan, Cimiano, Philipp, Hotho, Andreas, Learning Ontologies to Improve Text Clustering and ClassificationFrom Data and Information Analysis to Knowledge Engineering 2006, S. 334--341.

Cimiano, Philipp, Hotho, Andreas, Staab, Steffen: Clustering Ontologies from Text. In: Proceedings of the Conference on Languages Resources and Evaluation (LREC). Lisbon, Portugal : ELRA - European Language Ressources Association, 2004

Cimiano, Philipp, Hotho, Andreas, Staab, Steffen ; de Mántaras, R. López, Saitta, L.: Comparing Conceptual, Divise and Agglomerative Clustering for Learning Taxonomies from Text. In: ECAI 2004 Proceedings of the 16th European Conference on Artificial Intelligence, 22 - 27 August, Valencia, Spain : IOS Press, 2004, S. 435-439

Cimiano, Philipp, Hotho, Andreas, Staab, Steffen ; de Mántaras, Ramon López, Saitta, Lorenza: Comparing Conceptual, Divise and Agglomerative Clustering for Learning Taxonomies from Text. In: Proceedings of the European Conference on Artificial Intelligence (ECAI'04). Valencia, Spain : IOS Press, 2004. - ISBN 1-58603-452-9, S. 435-439