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As a means to balance the growth of the AI industry with the need for privacy protection, machine unlearning plays a crucial role in realizing the ``right to be forgotten'' in artificial intelligence. This technique enables AI systems to…

Machine Learning · Computer Science 2026-04-22 Eun-Ju Park , Youjin Shin , Simon S. Woo

Recent privacy regulations (e.g., GDPR) grant data subjects the `Right to Be Forgotten' (RTBF) and mandate companies to fulfill data erasure requests from data subjects. However, companies encounter great challenges in complying with the…

Machine Learning · Computer Science 2024-12-04 Yuncong Yang , Xiao Han , Yidong Chai , Reza Ebrahimi , Rouzbeh Behnia , Balaji Padmanabhan

Data quality issues have attracted widespread attention due to the negative impacts of dirty data on data mining and machine learning results. The relationship between data quality and the accuracy of results could be applied on the…

Databases · Computer Science 2021-04-27 Zhixin Qi , Hongzhi Wang , Jianzhong Li , Hong Gao

This paper focuses on a critical yet often overlooked aspect of data in digital systems and services-deletion. Through a review of existing literature we highlight the challenges that user face when attempting to delete data from systems…

Human-Computer Interaction · Computer Science 2023-08-28 Kopo M. Ramokapane , Awais Rashid

Nowadays, machine learning models, especially neural networks, become prevalent in many real-world applications.These models are trained based on a one-way trip from user data: as long as users contribute their data, there is no way to…

Machine Learning · Computer Science 2021-08-03 Yang Liu , Zhuo Ma , Ximeng Liu , Jian Liu , Zhongyuan Jiang , Jianfeng Ma , Philip Yu , Kui Ren

The right of an individual to request the deletion of their personal data by an entity that might be storing it -- referred to as the right to be forgotten -- has been explicitly recognized, legislated, and exercised in several…

Cryptography and Security · Computer Science 2020-02-26 Sanjam Garg , Shafi Goldwasser , Prashant Nalini Vasudevan

We summarize the potential impact that the European Union's new General Data Protection Regulation will have on the routine use of machine learning algorithms. Slated to take effect as law across the EU in 2018, it will restrict automated…

Machine Learning · Statistics 2018-05-25 Bryce Goodman , Seth Flaxman

Machine unlearning aims to efficiently eliminate the memory about deleted data from trained models and address the right to be forgotten. Despite the success of existing unlearning algorithms, unlearning in sparse models has not yet been…

Machine Learning · Computer Science 2025-12-04 Yang Xiao , Gen Li , Jie Ji , Ruimeng Ye , Xiaolong Ma , Bo Hui

Machine unlearning is the process of removing the impact of a particular set of training samples from a pretrained model. It aims to fulfill the "right to be forgotten", which grants the individuals such as patients the right to reconsider…

Machine Learning · Computer Science 2024-07-11 Reza Nasirigerdeh , Nader Razmi , Julia A. Schnabel , Daniel Rueckert , Georgios Kaissis

We consider the formulation of "machine unlearning" of Sekhari, Acharya, Kamath, and Suresh (NeurIPS 2021), which formalizes the so-called "right to be forgotten" by requiring that a trained model, upon request, should be able to "unlearn"…

Machine Learning · Computer Science 2023-09-06 Yiyang Huang , Clément L. Canonne

Learning algorithms and data are the driving forces for machine learning to bring about tremendous transformation of industrial intelligence. However, individuals' right to retract their personal data and relevant data privacy regulations…

Machine Learning · Computer Science 2023-05-23 Junde Li , Swaroop Ghosh

Machine unlearning, an emerging research topic focusing on compliance with data privacy regulations, enables trained models to remove the information learned from specific data. While many existing methods indirectly address this issue by…

Machine Learning · Computer Science 2024-12-24 Seonguk Seo , Dongwan Kim , Bohyung Han

Good data stewardship requires removal of data at the request of the data's owner. This raises the question if and how a trained machine-learning model, which implicitly stores information about its training data, should be affected by such…

Machine Learning · Computer Science 2023-11-09 Chuan Guo , Tom Goldstein , Awni Hannun , Laurens van der Maaten

Large Language Models (LLMs) are foundational to AI advancements, facilitating applications like predictive text generation. Nonetheless, they pose risks by potentially memorizing and disseminating sensitive, biased, or copyrighted…

Artificial Intelligence · Computer Science 2024-03-26 Youyang Qu , Ming Ding , Nan Sun , Kanchana Thilakarathna , Tianqing Zhu , Dusit Niyato

Recommender systems play an important role in helping people find information and make decisions in today's increasingly digitalized societies. However, the wide adoption of such machine learning applications also causes concerns in terms…

Information Retrieval · Computer Science 2022-02-02 Benjamin Longxiang Wang , Sebastian Schelter

The right to be forgotten requires the removal or "unlearning" of a user's data from machine learning models. However, in the context of Machine Learning as a Service (MLaaS), retraining a model from scratch to fulfill the unlearning…

Cryptography and Security · Computer Science 2024-01-17 Hongsheng Hu , Shuo Wang , Jiamin Chang , Haonan Zhong , Ruoxi Sun , Shuang Hao , Haojin Zhu , Minhui Xue

The right to be forgotten (RTBF) seeks to safeguard individuals from the enduring effects of their historical actions by implementing machine-learning techniques. These techniques facilitate the deletion of previously acquired knowledge…

The rise of the phenomenon of the "right to be forgotten" has prompted research on machine unlearning, which grants data owners the right to actively withdraw data that has been used for model training, and requires the elimination of the…

Machine Learning · Computer Science 2023-08-29 Xulong Zhang , Jianzong Wang , Ning Cheng , Yifu Sun , Chuanyao Zhang , Jing Xiao

The EU GDPR is a landmark regulation that introduced several rights for individuals to obtain information and control how their personal data is being processed, as well as receive a copy of it. However, there are gaps in the effective use…

Cryptography and Security · Computer Science 2024-12-23 Beatriz Esteves , Harshvardhan J. Pandit , Georg P. Krog , Paul Ryan

Bias in data can have unintended consequences that propagate to the design, development, and deployment of machine learning models. In the financial services sector, this can result in discrimination from certain financial instruments and…

Cryptography and Security · Computer Science 2019-11-12 Reginald Bryant , Celia Cintas , Isaac Wambugu , Andrew Kinai , Komminist Weldemariam