Benz, Dominik and Hotho, Andreas. Position Paper: Ontology Learning from Folksonomies.. LWA 2007: Lernen - Wissen - Adaption, Halle, September 2007, Workshop Proceedings (LWA). editor(s) Hinneburg, Alexander. 109-112, Martin-Luther-University Halle-Wittenberg, Year 2007.
Heylighen, Francis. Bootstrapping knowledge representations: from entailment meshes via semantic nets to learning webs. In Kybernetes, (30) 5/6: 691--722, Year 2001.