F. Abel, J. Coi, N. Henze, A. Koesling, D. Krause, and D. Olmedilla. The Semantic Web, 6th International Semantic Web Conference,
2nd Asian Semantic Web Conference, ISWC 2007 + ASWC 2007,
Busan, Korea, November 11-15, 2007, volume 4825 of Lecture Notes in Computer Science, page 1-14. Springer, (2007)
F. Abel, J. Coi, N. Henze, A. Koesling, D. Krause, and D. Olmedilla. WEBIST 2009 - Proceedings of the Fifth International Conference
on Web Information Systems and Technologies, Lisbon, Portugal,
March 23-26, 2009, page 184-191. INSTICC Press, (2009)