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VERSION:2.0
PRODID:-//Memento EPFL//
BEGIN:VEVENT
SUMMARY:Privacy and Security for Location-based Applications
DTSTART:20120619T140000
DTEND:20120619T150000
DTSTAMP:20260407T210902Z
UID:f6cd338820d675736f74bc0bcfea71f02e1b88300cf23ea932d276ab
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Urs Hengartner\, University of Waterloo\, Ontario\, Ca
 nada\nAbstract:\nRecently\, location-based applications have become popula
 r\, with applications like Foursquare or Yelp having hundreds of thousands
  of users. This trend has also highlighted several security and privacy ch
 allenges of these applications. I will focus on two such challenges in my 
 talk. First\, a user's location is a crucial factor for enabling these app
 lications.  Many applications rely on users to correctly report their loc
 ation. However\, if there is an incentive\, users might lie about their lo
 cation. A location proof architecture enables users to collect proofs for
  being at a location and applications to validate these proofs. It is esse
 ntial that proof collection and validation do not violate user privacy. I 
 will introduce a location proof architecture with user privacy as a key de
 sign component. Second\, matchmaking is a crucial part of location-based 
 social networking applications. It notifies users of nearby people who fu
 lfil some criteria\, such as having shared interests or friends\, and who 
 are therefore good candidates for being added to a user's social network.
  A danger of matchmaking is that malicious users may be able to learn any
  nearby user's profile.  I will introduce a privacy-preserving matchmakin
 g protocol for location-based social networking applications. The protoco
 l lets a potentially malicious user learn only the interests (or some othe
 r traits) that he has in common with a nearby user\, but no other interest
 s. Finally\, I will present an implementation and evaluation of our work o
 n Nexus One smartphones and demonstrate that the work is practical.\n\nBio
 :\nUrs Hengartner is an associate professor in the David R. Cheriton Schoo
 l of Computer Science at the University of Waterloo\, Canada.  His resear
 ch interests are in information privacy and in computer and networks secur
 ity.  His current research goals are to increase the security of emerging
  computing environments\, such as location-based services\, mobile social 
 networking\, and electronic voting\, and to design privacy-enhancing techn
 ologies for people who want to benefit from these environments.  He has a
  degree in computer science from ETH Zurich and an M.S. and Ph.D. in compu
 ter science from Carnegie Mellon.
LOCATION:BC 01 https://plan.epfl.ch/?room==BC%2001
STATUS:CONFIRMED
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