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Privacy-preserving record linkage (PPRL), the problem of identifying records that correspond to the same real-world entity across several data sources held by different parties without revealing any sensitive information about these…

Databases · Computer Science 2016-12-30 Dinusha Vatsalan , Peter Christen

Privacy-preserving record linkage (PPRL) aims at integrating sensitive information from multiple disparate databases of different organizations. PPRL approaches are increasingly required in real-world application areas such as healthcare,…

Databases · Computer Science 2017-01-06 Dinusha Vatsalan , Peter Christen , Erhard Rahm

Record linkage is a crucial concept for integrating data from multiple sources, particularly when datasets lack exact identifiers, and it has diverse applications in real-world data analysis. Privacy-Preserving Record Linkage (PPRL) ensures…

Cryptography and Security · Computer Science 2024-11-13 Şeyma Selcan Mağara , Noah Dietrich , Ali Burak Ünal , Mete Akgün

Given several databases containing person-specific data held by different organizations, Privacy-Preserving Record Linkage (PPRL) aims to identify and link records that correspond to the same entity/individual across different databases…

Databases · Computer Science 2022-12-13 Dinusha Vatsalan , Dimitrios Karapiperis , Vassilios S. Verykios

Deep learning-based linkage of records across different databases is becoming increasingly useful in data integration and mining applications to discover new insights from multiple sources of data. However, due to privacy and…

Cryptography and Security · Computer Science 2022-11-07 Thilina Ranbaduge , Dinusha Vatsalan , Ming Ding

Privacy-Preserving Record linkage (PPRL) is an essential component in data integration tasks of sensitive information. The linkage quality determines the usability of combined datasets and (machine learning) applications based on them. We…

Cryptography and Security · Computer Science 2025-07-08 Florens Rohde , Victor Christen , Martin Franke , Erhard Rahm

Record linkage algorithms match and link records from different databases that refer to the same real-world entity based on direct and/or quasi-identifiers, such as name, address, age, and gender, available in the records. Since these…

Cryptography and Security · Computer Science 2022-07-01 Nan Wu , Dinusha Vatsalan , Sunny Verma , Mohamed Ali Kaafar

To discover new insights from data, there is a growing need to share information that is often held by different organisations. One key task in data integration is the calculation of similarities between records in different databases to…

Databases · Computer Science 2025-11-04 Sirintra Vaiwsri , Thilina Ranbaduge

In an era dominated by big data and machine learning, establishing valuable data collaboration has never been more critical. However, such collaborations must operate under regulatory and legal constraints. Two-party Privacy-Preserving…

Cryptography and Security · Computer Science 2026-05-27 Chenyu Huang , Fan Zhang , Huangxun Chen , Yongjun Zhao , Huaming Rao , Peng Chen , Danqing Huang

The amount of data stored in data repositories increases every year. This makes it challenging to link records between different datasets across companies and even internally, while adhering to privacy regulations. Address or name changes,…

Cryptography and Security · Computer Science 2023-06-13 Allon Adir , Ehud Aharoni , Nir Drucker , Eyal Kushnir , Ramy Masalha , Michael Mirkin , Omri Soceanu

The process of linking databases that contain sensitive information about individuals across organisations is an increasingly common requirement in the health and social science research domains, as well as with governments and businesses.…

Cryptography and Security · Computer Science 2025-05-14 Peter Christen , Rainer Schnell , Anushka Vidanage

Private record linkage (PRL) is the problem of identifying pairs of records that are similar as per an input matching rule from databases held by two parties that do not trust one another. We identify three key desiderata that a PRL…

Databases · Computer Science 2017-09-04 Xi He , Ashwin Machanavajjhala , Cheryl Flynn , Divesh Srivastava

Multi-party learning is an indispensable technique for improving the learning performance via integrating data from multiple parties. Unfortunately, directly integrating multi-party data would not meet the privacy preserving requirements.…

Cryptography and Security · Computer Science 2022-06-23 Xiao-Kai Cao , Chang-Dong Wang , Jian-Huang Lai , Qiong Huang , C. L. Philip Chen

With the increasing emphasis on privacy regulations, such as GDPR, protecting individual privacy and ensuring compliance have become critical concerns for both individuals and organizations. Privacy-preserving machine learning (PPML) is an…

Cryptography and Security · Computer Science 2024-11-15 Tianpei Lu , Bingsheng Zhang , Lichun Li , Kui Ren

In order to perform machine learning among multiple parties while protecting the privacy of raw data, privacy-preserving machine learning based on secure multi-party computation (MPL for short) has been a hot spot in recent. The…

Cryptography and Security · Computer Science 2022-11-17 Lushan Song , Jiaxuan Wang , Zhexuan Wang , Xinyu Tu , Guopeng Lin , Wenqiang Ruan , Haoqi Wu , Weili Han

Machine learning (ML) is increasingly being adopted in a wide variety of application domains. Usually, a well-performing ML model relies on a large volume of training data and high-powered computational resources. Such a need for and the…

Machine Learning · Computer Science 2021-09-23 Runhua Xu , Nathalie Baracaldo , James Joshi

The performance of machine learning algorithms heavily relies on the availability of a large amount of training data. However, in reality, data usually reside in distributed parties such as different institutions and may not be directly…

Machine Learning · Computer Science 2021-04-15 Maoguo Gong , Yuan Gao , Yu Xie , A. K. Qin , Ke Pan , Yew-Soon Ong

Privacy-preserving machine learning (PPML) based on cryptographic protocols has emerged as a promising paradigm to protect user data privacy in cloud-based machine learning services. While it achieves formal privacy protection, PPML often…

Cryptography and Security · Computer Science 2025-07-22 Wenxuan Zeng , Tianshi Xu , Yi Chen , Yifan Zhou , Mingzhe Zhang , Jin Tan , Cheng Hong , Meng Li

Large language model (LLM) routing has emerged as a critical strategy to balance model performance and cost-efficiency by dynamically selecting services from various model providers. However, LLM routing adds an intermediate layer between…

Cryptography and Security · Computer Science 2026-04-20 Xidong Wu , Yukuan Zhang , Yuqiong Ji , Reza Shirkavand , Qian Lou , Shangqian Gao

Cloud-based enterprise search services (e.g., Amazon Kendra) are enchanting to big data owners by providing them with convenient search solutions over their enterprise big datasets. However, individuals and businesses that deal with…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-06-10 SM Zobaed , Mohsen Amini Salehi
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