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Feed me: motivating newcomer contribution in social network sites, Burke, Moira, Marlow Cameron, and Lento Thomas , CHI '09: Proceedings of the 27th international conference on Human factors in computing systems, Boston, MA, p.945–954, (2009) Abstract
Preferential behavior in online groups, Backstrom, Lars, Kumar Ravi, Marlow Cameron, Novak Jasmine, and Tomkins Andrew , WSDM '08: Proceedings of the international conference on Web search and web data mining, New York, NY, USA, p.117–128, (2008) Abstract