1st Part: "Prof. Bruns, Prof. Burguess & Dr. Woodford: Mapping Online Publics: New Methods for Twitter Research"
2nd Part: "Robert Jäschke: Identifying and Analyzing Researchers on Twitter"
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B. Macek, and M. Atzmueller. Proceeding ASONAM '13 Proceedings of the 2013 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, page 1477-1478. ACM New York, (2013)
F. Mitzlaff, D. Benz, G. Stumme, and A. Hotho. Proceedings of the 21st ACM conference on Hypertext and hypermedia, page 265--270. New York, NY, USA, ACM, (2010)