PPT-Defending against Sybil Devices in Crowdsourced Mapping Ser

Gang Wang Bolun Wang Tianyi Wang Ana Nika Haitao Zheng Ben Y Zhao UC Santa Barbara bolunwangcsucsbedu Mobile Life Mobile phones for content payment authentication Mobile devices are . TECHNICAL: Defending 2v3ORGANIZATIONCreate a 55x18 yard area with 5 yard channel across the middleSplit into groups of 3. Defending teams have two defenders and a GK in each half play 3 attackers in e Abbey. 1. Downton. Abbey is a fictional story set in England about an aristocratic English family and the servants who live and work in their home.. 2. The time period in which the story takes place is 1912 to 1919. They call this time in English history . I first heard of it (and the broader crowdsourcing topic) at the . Jul 2008 TMF. in a talk by James Whittaker (who said it was part of Microsoft’s vision of the future).. Piqued my interest as I was at the BBC wrestling with extensive browser/OS coverage requirements triggered by the BBC Charter.. “A GOOD DEFENSE IS THE BEST BASIS FOR A GOOD ATTACK”. DEFENDING. WHEN. does defending commence?. WHERE. does defending commence?. HOW. does defending commence?. WHAT. is involved in defending?. Bayesian Auctions. MIT. Pablo . Azar . Jing Chen . Silvio . Micali. TexPoint fonts used in EMF. . Read the TexPoint manual before you delete this box.: . A. Agenda. 1. . Motivation for . Crowdsourced. Birling. Character Study. Sybil. The Roman / Greek prophetess….. Who can’t see. Key points about character. Even more hard-faced and arrogant than her husband.. Introduced as her husband's . ‘social superior’. By John R. Douceur. Presented by Samuel Petreski. March 31, 2009. Terminology. Background. Motivation for Sybil Attack. Formal Model. Lemmas. Conclusion. Resources. Outline. Entity. An entity is . a collection . By John R. Douceur. Presented by Samuel Petreski. March 31, 2009. Terminology. Background. Motivation for Sybil Attack. Formal Model. Lemmas. Conclusion. Resources. Outline. Entity. An entity is . a collection . Ken Birman. Cornell University. . CS5410 . Fall 2008. . Background for today. Consider a system like Astrolabe. Node p announces:. I’ve computed the aggregates for the set of leaf nodes to which I belong. Gang Wang, . Bolun Wang. , . Tianyi. Wang, Ana . Nika. , . Haitao Zheng, Ben Y. Zhao. UC Santa Barbara. bolunwang@cs.ucsb.edu. Mobile = Life. Mobile phones for content, payment, authentication. Mobile devices are . Defending warm-up (1). 2 groups , reds and blues. Reds attackers blues defenders. Reds dribble to outside cone (orange) and then inside cone (yellow). Blues track as defenders showing outside and inside from goal at end. Defending warm-up (1). 2 groups , reds and blues. Reds attackers blues defenders. Reds dribble to outside cone (orange) and then inside cone (yellow). Blues track as defenders showing outside and inside from goal at end. Match each character to their first name. … (6). Mr Birling (senior). Mrs Birling. Miss Birling. Mr Birling (junior). Mr Croft. Ms Smith. Gerald. Sybil. Eva. Arthur. Sheila. Eric. Match each character to their first name…. Gang Wang, . Bolun Wang. , . Tianyi. Wang, Ana . Nika. , . Haitao Zheng, Ben Y. Zhao. UC Santa Barbara. bolunwang@cs.ucsb.edu. Mobile = Life. Mobile phones for content, payment, authentication. Mobile devices are .