Lerman, K. and Ghosh, R. 2010. Information Contagion: An Empirical Study of the Spread of News on Digg and Twitter Social Networks. Proceedings of the International AAAI Conference on Web and Social Media. 4, 1 (May 2010), 90-97. DOI:https://doi.org/10.1609/icwsm.v4i1.14021.