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Privacy-Preserving Of Data Published By Non-Interactive Private Mechanisms

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Privacy-Preserving Of Data Published By Non-Interactive Private Mechanisms

In the problem of privacy-preserving collaborative data publishing (PPCDP), a central data publisher is responsible for aggregating sensitive data from multiple parties and then anonymizing it before publishing for data mining. In such scenarios, the data users may have a strong demand to measure the utility of the published data since most anonymization techniques have side effects on data utility. Nevertheless, this task is non-trivial because the utility measuring usually requires the aggregated raw data, which is not revealed to the data users due to privacy concerns. What’s worse, the data publishers may even cheat in the raw data since no one including the individual providers knows the full dataset.

In this paper, we first propose a privacy-preserving utility verification mechanism based upon cryptographic technique for DiffPart – a differentially private scheme designed for set-valued data. Privacy-Preserving Of Data Published By Non-Interactive Private Mechanisms This proposal can measure the data utility based upon the encrypted frequencies of the aggregated raw data instead of the plain values, which thus prevents privacy breach. Moreover, it is enabled to privately check the correctness of the encrypted frequencies provided by the publisher, which helps detect dishonest publishers. We also extend this mechanism to DiffGen – another differentially private publishing scheme designed for relational data. Our theoretical and experimental evaluations demonstrate the security and efficiency of the proposed mechanism.

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Software Requirements: –

Front End: HTML5, CSS3, Bootstrap
Back End: PHP, MYSQL
Control End: Angular Java Script

Tools:
Android Emulator
xampp-win32-5.5.19-0-VC11
Android SDK – adt-bundle-windows-x86
IDE: Eclipse Mars
jdk-8u66-windows-i586

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