1. Everyone's an influencer: Quantifying influence on Twitter;Bakshy,2011
2. Overview: Social network theory and analysis;Borgatti,2010
3. Network robustness and fragility: Percolation on random graphs;Callaway;Physical Review Letters,2000
4. Information credibility on twitter;Castillo,2011
5. Measuring user influence in twitter: The million follower fallacy;Cha,2010