1. Others, Life in the network: the coming age of computational social science;Lazer;Science,2009
2. Who says what to whom on twitter;Wu,2011
3. Pöschko J, Exploring Twitter Hashtags, CoRR abs/1111.6.
4. Romero DM, Tan C, Ugander J. Social-Topical Affiliations: The Interplay between Structure and Popularity, CoRR abs/1112.1.
5. Lehmann J, Gonçalves B, Ramasco JJ, Cattuto C. Dynamical Classes of Collective Attention in Twitter, CoRR abs/1111.1. .