We are proud to announce the second data challenge co-organized this summer by the Wikimedia Foundation. WikiSym and the Wikimedia Foundation are jointly launching WikiViz 2011 – a call for data/information visualization experts, computational journalists, data artists and data scientists to create the most insightful visualization of Wikipedia’s impact. The goal of the competition is to use open datasets to help improve our understanding of how Wikipedia is affecting the world beyond the scope of its own community. The award: The WikiViz 2011 Awarding Ceremony will take place on October 4, at the WikiSym 2011 venue, the Microsoft Research Silicon Valley campus (Mountain View, California). The ceremony will be introduced by a keynote by Jeff Heer (Stanford University), on the impact of emerging visualization techniques to understand open collaboration today. Three finalist teams (1 winner, 2 runners-up) will be invited to present their work at WikiSym 2011. Travel expenses and registration fees will be covered for a delegate per team. The works from these three teams will be showcased at the WikiSym 2011 exhibit, presented during the WikiViz awards ceremony and featured by our Knowledge and Media Partners: El Mundo.es, the largest digital newspaper in Spanish by readership worldwide, as well as four among the leading outlets and organizations in data visualization: FlowingData, Information Aesthetics, Visualizing.org and Periscopic. Unidad Editorial will also run a dedicated “Public's choice” track among the top 10 submissions received. The winner will be featured on the digital edition of El Mundo. The jury: The finalists will be selected by a jury composed by world-class experts in data visualization and social computing • Moritz Stefaner, Well Formed Data • Kim Rees, Periscopic • Andrew Vande Moere, KU Leuven and Information Aesthetics • Erik Zachte, Wikimedia Foundation • Gregorio Convertino, Xerox PARC and WikiSym The official announcement: https://blog.wikimedia.org/2011/07/05/wikiviz-2011-visualizing-the-impact-of... The call for participation: http://www.wikisym.org/ws2011/wikiviz:cfp Contacts, news and updates: For any questions, comments or interest in supporting or collaborating with this challenge, please contact the co-organizers at: wikiviz2011 [at] easychair [dot] org • Felipe Ortega, WikiSym • Dario Taraborelli, Wikimedia Foundation You can also follow us on Twitter: @WikiViz (tag your tweets with #wikiviz11) -- Dario Taraborelli, PhD Senior Research Analyst Wikimedia Foundation http://wikimediafoundation.org http://nitens.org/taraborelli