Identifying most influential bloggers

The problem of identifying bloggers that are influential in a community has been addressed in few papers. One such paper is Identifying influential bloggers: WSDM 2008.
Other good papers in this area are:
[1] Xiaodan Song , Yun Chi , Koji Hino , Belle L. Tseng, "Identifying opinion leaders in the blogosphere", Proceedings of the sixteenth ACM conference on Conference on information and knowledge management CIKM, 2007.
[2] Akshay Java , Pranam Kolari , Tim Finin , Tim Oates, "Modeling the Spread of Influence on the Blogosphere", In Proceedings of the 15th International World Wide Web Conference, 2006.