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A common privacy issue in traditional machine learning is that data needs to be disclosed for the training procedures. In situations with highly sensitive data such as healthcare records, accessing this information is challenging and often…

Cryptography and Security · Computer Science 2021-03-31 Pavlos Papadopoulos , Will Abramson , Adam J. Hall , Nikolaos Pitropakis , William J. Buchanan

The development of artificial intelligence demands that models incrementally update knowledge by Continual Learning (CL) to adapt to open-world environments. To meet privacy and security requirements, Continual Unlearning (CU) emerges as an…

While Code Language Models (CLMs) have demonstrated superior performance in software engineering tasks such as code generation and summarization, recent empirical studies reveal a critical privacy vulnerability: these models exhibit…

Software Engineering · Computer Science 2025-09-18 Zhaoyang Chu , Yao Wan , Zhikun Zhang , Di Wang , Zhou Yang , Hongyu Zhang , Pan Zhou , Xuanhua Shi , Hai Jin , David Lo

The concern regarding users' data privacy has risen to its highest level due to the massive increase in communication platforms, social networking sites, and greater users' participation in online public discourse. An increasing number of…

Machine Learning · Computer Science 2021-08-24 A K M Nuhil Mehdy , Hoda Mehrpouyan

Large Language Models (LLMs), pre-trained on massive text corpora, exhibit remarkable human-level language understanding, reasoning, and decision-making abilities. However, they tend to memorize unwanted information, such as private or…

Machine Learning · Computer Science 2026-01-01 Xiangyu Zhou , Yao Qiang , Saleh Zare Zade , Douglas Zytko , Prashant Khanduri , Dongxiao Zhu

Machine unlearning techniques, which involve retracting data records and reducing influence of said data on trained models, help with the user privacy protection objective but incur significant computational costs. Weight perturbation-based…

Machine Learning · Computer Science 2025-01-16 Zhiwei Zuo , Zhuo Tang , Kenli Li , Anwitaman Datta

Lifelong learning algorithms enable models to incrementally acquire new knowledge without forgetting previously learned information. Contrarily, the field of machine unlearning focuses on explicitly forgetting certain previous knowledge…

Machine Learning · Computer Science 2025-05-19 Ozan Özdenizci , Elmar Rueckert , Robert Legenstein

The advent of recurrent neural networks for handwriting recognition marked an important milestone reaching impressive recognition accuracies despite the great variability that we observe across different writing styles. Sequential…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Lei Kang , Pau Riba , Marçal Rusiñol , Alicia Fornés , Mauricio Villegas

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

Machine unlearning, the ability to erase the effect of specific training samples without retraining from scratch, is critical for privacy, regulation, and efficiency. However, most progress in unlearning has been empirical, with little…

Machine Learning · Computer Science 2026-02-04 Wei-Kai Chang , Rajiv Khanna

Deep learning based methods have been dominating the text recognition tasks in different and multilingual scenarios. The offline handwritten Chinese text recognition (HCTR) is one of the most challenging tasks because it involves thousands…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Brian Liu , Xianchao Xu , Yu Zhang

Machine unlearning is an emerging technique that removes the influence of a subset of training data (forget set) from a model without full retraining, with applications including privacy protection, content moderation, and model correction.…

Computation and Language · Computer Science 2025-10-02 Hong kyu Lee , Ruixuan Liu , Li Xiong

Machine unlearning aims to selectively remove the influence of specific training samples to satisfy privacy regulations such as the GDPR's 'Right to be Forgotten'. However, many existing methods require access to the data being removed,…

Cryptography and Security · Computer Science 2026-05-27 Dinesh Srivasthav P , Ashok Urlana , Rahul Mishra , Bala Mallikarjunarao Garlapati , Ponnurangam Kumaraguru

Training machine learning models requires the storage of large datasets, which often contain sensitive or private data. Storing data is associated with a number of potential risks which increase over time, such as database breaches and…

Machine Learning · Computer Science 2026-04-14 Aviraj Newatia , Michael Cooper , Viet Nguyen , Rahul G. Krishnan

Machine unlearning, which aims to efficiently remove the influence of specific data from trained models, is crucial for upholding data privacy regulations like the ``right to be forgotten". However, existing research predominantly evaluates…

Machine Learning · Computer Science 2026-02-24 Liheng Yu , Zhe Zhao , Yuxuan Wang , Pengkun Wang , Xiaofeng Cao , Binwu Wang , Yang Wang

We explore the application of Vision Transformer (ViT) for handwritten text recognition. The limited availability of labeled data in this domain poses challenges for achieving high performance solely relying on ViT. Previous…

Computer Vision and Pattern Recognition · Computer Science 2024-09-16 Yuting Li , Dexiong Chen , Tinglong Tang , Xi Shen

Machine Learning (ML) models have been shown to potentially leak sensitive information, thus raising privacy concerns in ML-driven applications. This inspired recent research on removing the influence of specific data samples from a trained…

Machine Learning · Computer Science 2023-10-30 Youyang Qu , Xin Yuan , Ming Ding , Wei Ni , Thierry Rakotoarivelo , David Smith

Machine unlearning (MU) has emerged as a key mechanism for ensuring data privacy and regulatory compliance by enabling models to forget specific training samples. However, recent studies have shown that the removal of data can inadvertently…

Cryptography and Security · Computer Science 2026-05-05 Jie Fu , Nima Naderloui , Da Zhong , Yuan Hong , Wendy Hui Wang

Regulations introduced by General Data Protection Regulation (GDPR) in the EU or California Consumer Privacy Act (CCPA) in the US have included provisions on the \textit{right to be forgotten} that mandates industry applications to remove…

Computation and Language · Computer Science 2022-12-20 Vinayshekhar Bannihatti Kumar , Rashmi Gangadharaiah , Dan Roth

Machine unlearning is a crucial tool for enabling a classification model to forget specific data that are used in the training time. Recently, various studies have presented machine unlearning algorithms and evaluated their methods on…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Dasol Choi , Dongbin Na