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Research on Facebook [1]

Research on Facebook [1]. Christine Chai, A21. Who is Using YOUR FB Account?. Account name and password match… True owner? Acquaintance? Stranger? Facebook server decided to… Record IP, Operation Systems, web browser Suspect account misuse identify pictures Research in Academia Sinica

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Research on Facebook [1]

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  1. Research on Facebook [1] Christine Chai, A21

  2. Who is Using YOUR FB Account? • Account name and password match… • True owner? Acquaintance? Stranger? • Facebook server decided to… • Record IP, Operation Systems, web browser • Suspect account misuse identify pictures • Research in Academia Sinica • Statistical method for browsing activities

  3. Statistical Behavior • People generally do… • Account user = self • Click on “like” • Comment on a status • Account user = other • View personal messages • View private clubs

  4. Experiment Design A B C D

  5. Data Analysis • Data clean-up • Feature examples • Act: like, add_comment, follow_link • Expand: page, comments • View: photo, likes, message • Classification Other Self

  6. Experimental Results • Accuracy: around 80% • Error: False positives and false negatives

  7. Difficult Times [2,3]

  8. Current Work [2,4] VPNconnect Download data Add/delete Features

  9. Facebook: What’s in a Name? • Name Gender with > 90% accuracy • Popular name list (Lily Female; John Male) • Facebook profiles with gender specified • Local information: in a relationship / married • Data: Everything can be publicly accessed!

  10. Conclusion • Be aware of what we do online. • Be responsible for what info we reveal.

  11. References • Academia Sinicahttp://blog.libertytimes.com.tw/spieler/2008/07/04/16118 • Academia Sinicahttp://zh.wikipedia.org/wiki/%E4%B8%AD%E5%A4%AE%E7%A0%94%E7%A9%B6%E9%99%A2 • Introduction to Machine Learninghttp://www.cmpe.boun.edu.tr/~ethem/i2ml/ • National Taiwan Universityhttp://blog.chinatimes.com/may.lin/archive/2007/06/19/174928.html

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