A. Broder, R. Kumar, F. Maghoul, P. Raghavan, S. Rajagopalan et al., Graph structure in the Web, Proc. of WWW'00, 2000.
DOI : 10.1016/S1389-1286(00)00083-9

M. Cha, F. Benevenuto, H. Haddadi, and K. P. Gummadi, The world of connections and information flow in Twitter. Systems, Man and Cybernetics, Part A: Systems and Humans, IEEE Transactions, vol.42, issue.4, pp.991-998, 2012.

M. Cha, H. Haddadi, F. Benevenuto, and K. P. Gummadi, Measuring user influence in Twitter: The million follower fallacy, Proc. of AAAI ICWSM'10, 2010.

. Gummadi, Understanding and combating link farming in the Twitter social network, Proc. of WWW'12, 2012.

B. Huberman, D. Romero, and F. Wu, Social networks that matter: Twitter under the microscope, First Monday, vol.14, issue.1, 2008.
DOI : 10.2139/ssrn.1313405
URL : http://arxiv.org/abs/0812.1045

L. Humphreys, P. Gill, and B. Krishnamurthy, How much is too much? Privacy issues on Twitter, Proc. of the Conference of International Communication Association, 2010.

A. Java, X. Song, T. Finin, and B. Tseng, Why we twitter, Proceedings of the 9th WebKDD and 1st SNA-KDD 2007 workshop on Web mining and social network analysis , WebKDD/SNA-KDD '07, 2007.
DOI : 10.1145/1348549.1348556

H. Kwak, H. Chun, and S. Moon, Fragile online relationship, Proceedings of the 2011 annual conference on Human factors in computing systems, CHI '11, 2011.
DOI : 10.1145/1978942.1979104

H. Kwak, C. Lee, H. Park, and S. Moon, What is Twitter, a social network or a news media?, Proceedings of the 19th international conference on World wide web, WWW '10, 2010.
DOI : 10.1145/1772690.1772751

J. G. Lee, P. Antoniadis, and K. Salamatian, Faving Reciprocity in Content Sharing Communities: A Comparative Analysis of Flickr and Twitter, 2010 International Conference on Advances in Social Networks Analysis and Mining, 2010.
DOI : 10.1109/ASONAM.2010.51
URL : https://hal.archives-ouvertes.fr/hal-00527137

H. Mao, X. Shuai, and A. Kapadia, Loose tweets, Proceedings of the 10th annual ACM workshop on Privacy in the electronic society, WPES '11, 2011.
DOI : 10.1145/2046556.2046558

B. Meeder, B. Karrer, A. Sayedi, R. Ravi, C. Borgs et al., We know who you followed last summer, Proceedings of the 20th international conference on World wide web, WWW '11, 2011.
DOI : 10.1145/1963405.1963479

M. Russell, 21 Recipes for Mining Twitter. Real Time Bks, 2011.

E. Sadikov and M. M. Martinez, Information propagation on Twitter. CS322 project report, 2009.

N. K. Sharma, S. Ghosh, F. Benevenuto, N. Ganguly, and K. P. Gummadi, Inferring who-is-who in the Twitter social network, Proc. of ACM WOSN'12, 2012.

R. Tarjan, Depth-first search and linear graph algorithms, Proc. of 12th Annual Symposium on Switching and Automata Theory, 1971.

K. Thomas, C. Grier, D. Song, and V. Paxson, Suspended accounts in retrospect, Proceedings of the 2011 ACM SIGCOMM conference on Internet measurement conference, IMC '11, 2011.
DOI : 10.1145/2068816.2068840

S. Wu, J. M. Hofman, W. A. Mason, and D. J. Watts, Who says what to whom on twitter, Proceedings of the 20th international conference on World wide web, WWW '11, 2011.
DOI : 10.1145/1963405.1963504

S. Ye and S. F. Wu, Measuring message propagation and social influence on Twitter.com, Proc. of SocInfo'10, 2010.

C. M. Zhang and V. Paxson, Detecting and Analyzing Automated Activity on Twitter, Proc. of PAM'11, 2011.
DOI : 10.1007/978-3-642-00528-2_7
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.299.2605