L. Zhuhadar, и O. Nasraoui. ONISW '08: Proceeding of the 2nd international workshop on Ontologies and nformation systems for the semantic web, (октября 2008)
P. Dolog, N. Henze, W. Nejdl, и M. Sintek. WWW Alt. '04: Proceedings of the 13th international World Wide Web conference on Alternate track papers & posters, стр. 170--179. New York, NY, USA, ACM Press, (2004)
N. Stash, A. Cristea, и P. Bra. WWW Alt. '04: Proceedings of the 13th international World Wide Web conference on Alternate track papers & posters, стр. 114--123. New York, NY, USA, ACM, (2004)