A. Hotho, R. Jäschke, C. Schmitz, and G. Stumme. The Semantic Web: Research and Applications, volume 4011 of Lecture Notes in Computer Science, page 411-426. Heidelberg, Springer, (June 2006)
J. Paolillo, S. Mercure, and E. Wright. Proceedings of the 1st Workshop on Semantic Network Analysis at the
ISWC 2005 Conference, page 69 -- 80. (7. 11 2005)
C. Schmitz, A. Hotho, R. Jäschke, and G. Stumme. The Semantic Web: Research and Applications, volume 4011 of LNAI, page 530-544. Heidelberg, Springer, (2006)