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China Censors Web in Real Time

HispanicBusiness [1]
March 15, 2013

China’s social media site Weibo finds and deletes controversial posts in near real time despite a daily volume of 100 million messages, researchers say.

Independent researcher Tao Zhu, working with colleagues at Rice University and the University of New Mexico, analyzed censorship practices of Sina Weibo, operator of the Weibo site, which — like Twitter — allows users to post 140-character messages with usernames and hashtags.

An estimated 300 million people use Weibo, posting 100 million messages each day.

“Other people have explored censorship on Weibo, but this work is focused on the speed at which censorship happens,” Rice computer science Professor Dan Wallach, co-author of the study, said.

The researchers determined operator Sina Weibo uses a combination of keyword-matching software and human censors to monitor and delete potentially controversial posts on Weibo.

Full story here. [1]