G. Zhu, and G. Mishne. KDD '09: Proceedings of the 15th ACM SIGKDD international conference on Knowledge discovery and data mining, page 1037--1046. New York, NY, USA, ACM, (2009)
M. Murata, H. Toda, Y. Matsuura, and R. Kataoka. JCDL '09: Proceedings of the 9th ACM/IEEE-CS joint conference on Digital libraries, page 105--114. New York, NY, USA, ACM, (2009)
K. Chen, R. Lu, C. Wong, G. Sun, L. Heck, and B. Tseng. CIKM '08: Proceeding of the 17th ACM conference on Information and knowledge management, page 1143--1152. New York, NY, USA, ACM, (2008)
S. Maslov, and S. Redner. (2009)cite arxiv:0901.2640
Comment: 3 pages, 1 figure, invited comment for the Journal of Neuroscience.
The arxiv version is microscopically different from the published version.
S. Riezler, J. Kuhn, D. Prescher, and M. Johnson. ACL '00: Proceedings of the 38th Annual Meeting on Association for Computational Linguistics, page 480--487. Morristown, NJ, USA, Association for Computational Linguistics, (2000)
P. Desikan, N. Pathak, J. Srivastava, and V. Kumar. ICWE '06: Proceedings of the 6th international conference on Web engineering, page 233--240. New York, NY, USA, ACM Press, (July 2006)