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[Conference News] Privacy Protection for Participatory-Sensing Systems

In participatory sensing, volunteers collect and share information from their local environment using cellular phones. The major challenges are user privacy and data trustworthiness. Addressing them can result in conflicting system requirements.

In a paper presented at the 37th Annual IEEE Conference on Local Computer Networks (LCN 2012), Australian researchers describe a way to make participatory-sensing systems more effective by transferring reputation values — which assesses trustworthiness — between anonymous contributions. The paper also includes a reputation-anonymization scheme to prevent the inadvertent leakage of information that affects privacy.

A Privacy-Preserving Reputation System for Participatory Sensing” is available, along with other LCN 2012 papers, to both IEEE Computer Society members and paid subscribers via the Computer Society Digital Library.

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