Differentially Private Tripartite Intelligent Matching Against Inference Attacks in Ride-Sharing Services

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Differentially Private Tripartite Intelligent Matching Against Inference Attacks in Ride-Sharing Services

He, Yuanyuan / Ni, Jianbing / Yang, Laurence T. / Wei, Wei / Deng, Xianjun / Zou, Deqing / Ahmed, Syed Hassan

In intelligent transportation systems, the key issue of the Ride-Sharing Service (RSS) is to find proper drivers for the passengers by Intelligent Matching (IM) of two or three objects, including the positions of drivers, the travel information of passengers, and the spots where passengers and drivers meet and separate. Unfortunately, the exposure of travel plans of passengers in the IM process due to inference attacks has raised concerns about the privacy violation. To resist the inference attacks, we propose a Differentially Private Tripartite IM (DPTIM) protocol for RSS. DPTIM is based on the tripartite IM process, which intelligently finds the suitable threshold to filter out the matched objects with satisfaction scores below the threshold, so as to provide the high average satisfaction score of matched passengers. Compared to existing relevant mechanisms, DPTIM is distinguished by the feature that it leverages the inference error and differential privacy techniques to prevent the prior-information-based inference attacks and constrain the posterior information leakage, while providing satisfactory matching results. Furthermore, DPTIM meets the personalized demand of location privacy by using the passenger-specific tolerance estimation on inference errors and the personalized privacy budget. Finally, we implement DPTIM on real-world datasets, and demonstrate the satisfactory performance of DPTIM in terms of the average satisfaction score of passengers, the anti-inference-attack capability, and the passenger-specific privacy requirement.

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Dokumentinformationen

Titel :

Differentially Private Tripartite Intelligent Matching Against Inference Attacks in Ride-Sharing Services

Beteiligte:

He, Yuanyuan (Autor:in) / Ni, Jianbing (Autor:in) / Yang, Laurence T. (Autor:in) / Wei, Wei (Autor:in) / Deng, Xianjun (Autor:in) / Zou, Deqing (Autor:in) / Ahmed, Syed Hassan (Autor:in)

Erschienen in:

IEEE Transactions on Intelligent Transportation Systems ; 23 , 11 ; 22583-22595

Erscheinungsdatum :

2022-11-01

Format / Umfang :

2529241 byte

ISSN :

1524-9050 , 1558-0016

DOI :

https://doi.org/10.1109/TITS.2021.3136386

Medientyp :

Aufsatz (Zeitschrift)