T. Tudorache, N. Noy, S. Tu, and M. Musen. Proceedings of the 7th International Semantic Web Conference (ISWC2008), volume 5318 of Lecture Notes in Computer Science, page 17-32. Karlsruhe, Germany, Springer Verlag, (October 2008)
T. Tudorache, and N. Noy. Proceedings of the Workshop on Social and Collaborative Construction of Structured Knowledge (CKC 2007) at the 16th International World Wide Web Conference (WWW2007), (2007)