Xiaolin Shi, Matthew Bonner, Lada A. Adamic, Anna C. Gilbert. The very small world of the well-connected. In Peter Brusilovsky, Hugh C. Davis, editors, HYPERTEXT 2008, Proceedings of the 19th ACM Conference on Hypertext and Hypermedia, Pittsburgh, PA, USA, June 19-21, 2008. pages 61-70, ACM, 2008. [doi]
Abstract is missing.