I tube, you tube, everybody tubes: analyzing the world's largest user generated content video system
Proceedings of the 7th ACM SIGCOMM conference on Internet measurement
Creating, destroying, and restoring value in wikipedia
Proceedings of the 2007 international ACM conference on Supporting group work
Content Filtering and the New Censorship
ICDS '10 Proceedings of the 2010 Fourth International Conference on Digital Society
Toward sensitive information redaction in a collaborative, multilevel security environment
Proceedings of the 6th International Symposium on Wikis and Open Collaboration
Link spamming Wikipedia for profit
Proceedings of the 8th Annual Collaboration, Electronic messaging, Anti-Abuse and Spam Conference
Link spamming Wikipedia for profit
Proceedings of the 8th Annual Collaboration, Electronic messaging, Anti-Abuse and Spam Conference
Spamming for science: active measurement in web 2.0 abuse research
FC'12 Proceedings of the 16th international conference on Financial Cryptography and Data Security
Deletion discussions in Wikipedia: decision factors and outcomes
Proceedings of the Eighth Annual International Symposium on Wikis and Open Collaboration
Proceedings of the 9th International Symposium on Open Collaboration
Visualizing large-scale human collaboration in Wikipedia
Future Generation Computer Systems
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Collaborative environments, such as Wikipedia, often have low barriers-to-entry in order to encourage participation. This accessibility is frequently abused (e.g., vandalism and spam). However, certain inappropriate behaviors are more threatening than others. In this work, we study contributions which are not simply "undone" -- but deleted from revision histories and public view. Such treatment is generally reserved for edits which: (1) present a legal liability to the host (e.g., copyright issues, defamation), or (2) present privacy threats to individuals (i.e., contact information). Herein, we analyze one year of Wikipedia's public deletion log and use brute-force strategies to learn about privately handled redactions. This permits insight about the prevalence of deletion, the reasons that induce it, and the extent of end-user exposure to dangerous content. While Wikipedia's approach is generally quite reactive, we find that copyright issues prove most problematic of those behaviors studied.