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Distributed Privacy-Preserving Record Linkage using Pivot-based Filter Techniques

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  • Distributed Privacy-Preserving Record Linkage using Pivot-based Filter Techniques

Gladbach, M. ; Sehili, Z. ; Kudraß, T. ; Christen, P. ; Rahm, E.

Distributed Privacy-Preserving Record Linkage using Pivot-based Filter Techniques

Proceedings of the 2018 IEEE 34th International Conference on Data Engineering Workshops (ICDEW), pp. 33-38, 2018

2018 / 04

Paper

Abstract

Privacy-preserving record linkage (PPRL) aims at linking person-related records from different data sources while protecting privacy. It is applied in medical research to link health data without revealing sensible person-related data. We propose and evaluate a new parallel PPRL approach based on Apache Flink that aims at high performance and scalability to large datasets. The approach supports a pivot-based filtering method for metric distance functions that saves many similarity computations. We describe our distributed approaches to determine pivots and pivot-based linkage. We also demonstrate the high efficiency of the approach for different datasets and configurations.

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