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Cet utilisateur n’a aucune connaissance en français (ou le comprend avec de grandes difficultés).
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Dieser Benutzer beherrscht Deutsch nicht (oder versteht es nur mit beträchtlichen Schwierigkeiten).
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Charles Chuankai Zhang(personal webpage) is a first year Ph.D student in Grouplens, University of Minnesota. His research interest lies in social computing, data visualization, crowdsourcing and educational data mining. His recent research focus is combining qualitative and quantitative research methods to understand the mechanism of peer production platforms like Wikipedia and help members of the community meet their goals.
