H. Kim, S. Scerri, J. Breslin, S. Decker, и H. Kim. Proceedings of the 2008 International Conference on Dublin Core and Metadata Applications, стр. 128--137. Berlin, Deutschland, Dublin Core Metadata Initiative, (2008)
D. Bollegala, Y. Matsuo, и M. Ishizuka. WWW '07: Proceedings of the 16th international conference on World Wide Web, стр. 757--766. New York, NY, USA, ACM, (2007)