%0 Conference Proceedings %T Privacy Preservation of User History Graph %+ KDDI R&D Laboratories Inc. [Saitama] %A Kiyomoto, Shinsaku %A Fukushima, Kazuhide %A Miyake, Yutaka %Z Part 5: Privacy (Short Paper) %< avec comité de lecture %( Lecture Notes in Computer Science %B 6th International Workshop on Information Security Theory and Practice (WISTP) %C Egham, United Kingdom %Y Ioannis Askoxylakis %Y Henrich C. Pöhls %Y Joachim Posegga %I Springer %3 Information Security Theory and Practice. Security, Privacy and Trust in Computing Systems and Ambient Intelligent Ecosystems %V LNCS-7322 %P 87-96 %8 2012-06-20 %D 2012 %R 10.1007/978-3-642-30955-7_9 %Z Computer Science [cs]Conference papers %X 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. %G English %Z TC 11 %Z WG 11.2 %2 https://inria.hal.science/hal-01534302/document %2 https://inria.hal.science/hal-01534302/file/978-3-642-30955-7_9_Chapter.pdf %L hal-01534302 %U https://inria.hal.science/hal-01534302 %~ IFIP-LNCS %~ IFIP %~ IFIP-TC %~ IFIP-TC11 %~ IFIP-WISTP %~ IFIP-WG11-2 %~ IFIP-LNCS-7322