The velocity of censorship:{High-Fidelity} detection of microblog post deletions
T Zhu, D Phipps, A Pridgen, JR Crandall… - 22nd USENIX Security …, 2013 - usenix.org
Weibo and other popular Chinese microblogging sites are well known for exercising internal
censorship, to comply with Chinese government requirements. This research seeks to
quantify the mechanisms of this censorship: how fast and how comprehensively posts are
deleted. Our analysis considered 2.38 million posts gathered over roughly two months in
2012, with our attention focused on repeatedly visiting “sensitive” users. This gives us a view
of censorship events within minutes of their occurrence, albeit at a cost of our data no longer …
censorship, to comply with Chinese government requirements. This research seeks to
quantify the mechanisms of this censorship: how fast and how comprehensively posts are
deleted. Our analysis considered 2.38 million posts gathered over roughly two months in
2012, with our attention focused on repeatedly visiting “sensitive” users. This gives us a view
of censorship events within minutes of their occurrence, albeit at a cost of our data no longer …
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