Privacy preservation of user history graph

  • Authors:
  • Shinsaku Kiyomoto;Kazuhide Fukushima;Yutaka Miyake

  • Affiliations:
  • KDDI R & D Laboratories Inc., Fujimino, Saitama, Japan;KDDI R & D Laboratories Inc., Fujimino, Saitama, Japan;KDDI R & D Laboratories Inc., Fujimino, Saitama, Japan

  • Venue:
  • WISTP'12 Proceedings of the 6th IFIP WG 11.2 international conference on Information Security Theory and Practice: security, privacy and trust in computing systems and ambient intelligent ecosystems
  • Year:
  • 2012

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Abstract

In this paper, we propose new ideas to protect user privacy while allowing the use of a user history graph. We define new privacy notions for user history graphs and consider algorithms to generate a privacy-preserving digraph from the original graph.