On Wed, Mar 16, 2016 at 7:53 PM, SarahSV <sarahsv.w...@gmail.com> wrote:
> Dario and Aaron, thanks for letting us know about this. Is the research > available in writing for people who don't want to sit through the video? > > Sarah > Sarah – yes, see http://cm.cecs.anu.edu.au/post/wikiprivacy/ On Wed, Mar 16, 2016 at 12:55 PM, Aaron Halfaker <ahalfa...@wikimedia.org> > wrote: > > > Reminder, this showcase is starting in 5 minutes. See the stream here: > > https://www.youtube.com/watch?v=Xle0oOFCNnk > > > > Join us on Freenode at #wikimedia-research > > <http://webchat.freenode.net/?channels=wikimedia-research> to ask Andrei > > questions. > > > > -Aaron > > > > On Tue, Mar 15, 2016 at 12:53 PM, Dario Taraborelli < > > dtarabore...@wikimedia.org> wrote: > > > > > This month, our research showcase > > > <https://www.mediawiki.org/wiki/Wikimedia_Research/Showcase#March_2016 > > > > hosts > > > Andrei Rizoiu (Australian National University) to talk about his work > > > <http://cm.cecs.anu.edu.au/post/wikiprivacy/> on *how private traits > of > > > Wikipedia editors can be exposed from public data* (such as edit > > > histories) using off-the-shelf machine learning techniques. (abstract > > below) > > > > > > If you're interested in learning what the combination of machine > learning > > > and public data mean for privacy and surveillance, come and join us > this > > *Wednesday > > > March 16* at *1pm Pacific Time*. > > > > > > The event will be recorded and publicly streamed > > > <https://www.youtube.com/watch?v=Xle0oOFCNnk>. As usual, we will be > > > hosting the conversation with the speaker and Q&A on the > > > #wikimedia-research channel on IRC. > > > > > > Looking forward to seeing you there, > > > > > > Dario > > > > > > > > > Evolution of Privacy Loss in WikipediaThe cumulative effect of > collective > > > online participation has an important and adverse impact on individual > > > privacy. As an online system evolves over time, new digital traces of > > > individual behavior may uncover previously hidden statistical links > > between > > > an individual’s past actions and her private traits. To quantify this > > > effect, we analyze the evolution of individual privacy loss by studying > > > the edit history of Wikipedia over 13 years, including more than > 117,523 > > > different users performing 188,805,088 edits. We trace each Wikipedia’s > > > contributor using apparently harmless features, such as the number of > > edits > > > performed on predefined broad categories in a given time period (e.g. > > > Mathematics, Culture or Nature). We show that even at this unspecific > > level > > > of behavior description, it is possible to use off-the-shelf machine > > > learning algorithms to uncover usually undisclosed personal traits, > such > > as > > > gender, religion or education. We provide empirical evidence that the > > > prediction accuracy for almost all private traits consistently improves > > > over time. Surprisingly, the prediction performance for users who > stopped > > > editing after a given time still improves. The activities performed by > > new > > > users seem to have contributed more to this effect than additional > > > activities from existing (but still active) users. Insights from this > > work > > > should help users, system designers, and policy makers understand and > > make > > > long-term design choices in online content creation systems. > > > > > > > > > *Dario Taraborelli *Head of Research, Wikimedia Foundation > > > wikimediafoundation.org • nitens.org • @readermeter > > > <http://twitter.com/readermeter> > > > > > > _______________________________________________ > > > Wiki-research-l mailing list > > > wiki-researc...@lists.wikimedia.org > > > https://lists.wikimedia.org/mailman/listinfo/wiki-research-l > > > > > > > > _______________________________________________ > > Wikimedia-l mailing list, guidelines at: > > https://meta.wikimedia.org/wiki/Mailing_lists/Guidelines > > New messages to: wikimedi...@lists.wikimedia.org > > Unsubscribe: https://lists.wikimedia.org/mailman/listinfo/wikimedia-l, > > <mailto:wikimedia-l-requ...@lists.wikimedia.org?subject=unsubscribe> > > > _______________________________________________ > Wikimedia-l mailing list, guidelines at: > https://meta.wikimedia.org/wiki/Mailing_lists/Guidelines > New messages to: wikimedi...@lists.wikimedia.org > Unsubscribe: https://lists.wikimedia.org/mailman/listinfo/wikimedia-l, > <mailto:wikimedia-l-requ...@lists.wikimedia.org?subject=unsubscribe> -- *Dario Taraborelli *Head of Research, Wikimedia Foundation wikimediafoundation.org • nitens.org • @readermeter <http://twitter.com/readermeter>
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