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A. Halfaker, Kittur, N., Kraut, R., and Riedl, J., A Jury of Your Peers: Quality, Experience and Ownership in Wikipedia, in The International Symposium on Wiki's and Open Collaboration, Orlando, FL, 2009.
K. Panciera, Halfaker, A., and Terveen, L., Wikipedians are born, not made: a study of power editors on Wikipedia, in ACM 2009 International Conference on Group Work, Sanibel Island, FL, 2009, pp. 51-60.