R. Stühmer, D. Anicic, S. Sen, J. Ma, K. Schmidt, und N. Stojanovic. On the Move to Meaningful Internet Systems: OTM 2009, Volume 5871 von Lecture Notes in Computer Science, Seite 1069-1086. Springer Berlin / Heidelberg, (2009)
J. Neubert. Proceedings of the Linked Data on the Web Workshop (LDOW2009), Madrid, Spain, April 20, 2009, CEUR Workshop Proceedings, 538, (2009)LDOW2009, April 20, 2009, Madrid, Spain.