Comparing Conceptual, Divise and Agglomerative Clustering for Learning Taxonomies from Text. In Ramon López de Mántaras, und Lorenza Saitta (Hrsg.), Proceedings of the European Conference on Artificial Intelligence (ECAI'04), 435-439, IOS Press, Valencia, Spain, 2004. [PUMA: 2004 clustering taxonomies learning myown] URL