Towards Auditable and Intelligent Privacy-Preserving Record Linkage

  • Thiago Nóbrega Universidade Federal de Campina Grande
  • Carlos Eduardo S. Pires Universidade Federal de Campina Grande
  • Dimas Cassimiro Nascimento Universidade Federal de Campina Grande

Resumo


Privacy-Preserving Record Linkage (PPRL) intends to integrate private/ sensitive data from several data sources held by different parties. It aims to identify records (e.g., persons or objects) representing the same real-world entity over private data sources held by different custodians. Due to recent laws and regulations (e.g., General Data Protection Regulation), PPRL approaches are increasingly demanded in real-world application areas such as health care, credit analysis, public policy evaluation, and national security. As a result, the PPRL process needs to deal with efficacy (linkage quality), and privacy problems. For instance, the PPRL process needs to be executed over data sources (e.g., a database containing personal information of governmental income distribution and assistance programs), with an accurate linkage of the entities, and, at the same time, protect the privacy of the information. In this context, our work presents contributions to improve the privacy and quality capabalities of the PPRL. Moreover, we propose improvement to the linkage quality and simplify the process by employing Machine Learning techniques to decide whether two records represent the same entity, or not; and enable the auditability the computations performed during PPRL.

Palavras-chave: PPRL, Entity matching, Data privacy, Data security, Machine learning

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Publicado
25/09/2023
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NÓBREGA, Thiago; EDUARDO S. PIRES, Carlos; CASSIMIRO NASCIMENTO, Dimas. Towards Auditable and Intelligent Privacy-Preserving Record Linkage. In: CONCURSO DE TESES E DISSERTAÇÕES (CTDBD) - SIMPÓSIO BRASILEIRO DE BANCO DE DADOS (SBBD), 38. , 2023, Belo Horizonte/MG. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2023 . p. 270-284. DOI: https://doi.org/10.5753/sbbd_estendido.2023.232442.