T. Schandl, and A. Blumauer. The Semantic Web: Research and Applications, volume 6089 of Lecture Notes in Computer Science, page 421-425. Springer, (2010)
S. Braun, and V. Zacharias. Proceedings of the 1st International Workshop on Ontology Repository and Editors for the Semantic Work (ORES 2010) at the Extended Semantic Web Conference (ESWC 2010), (2010)