D. Parra, and P. Brusilovsky. Proceedings of the Workshop on Web 3.0: Merging Semantic Web and Social Web, volume 467 of CEUR Workshop Proceedings, (June 2009)
R. Agrawal, and R. Srikant. Proceedings of the 20th international conference on Very Large Data Bases (VLDB'94), page 478--499. Morgan Kaufmann, (September 1994)
A. Noack, and R. Rotta. (2008)cite arxiv:0812.4073
Comment: 12 pages, 10 figures, see
http://www.informatik.tu-cottbus.de/~rrotta/ for downloading the graph
clustering software.