O. Medelyan, и I. Witten. JCDL '06: Proceedings of the 6th ACM/IEEE-CS joint conference on Digital libraries, стр. 296--297. New York, NY, USA, ACM, (2006)
V. Tanasescu, и O. Streibel. Proceedings of the International Workshop on Emergent Semantics and Ontology Evolution (ESOE2007) at ISWC/ASWC2007, Busan, South Korea, (ноября 2007)