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Machine unlearning, the study of efficiently removing the impact of specific training instances on a model, has garnered increased attention in recent years due to regulatory guidelines such as the \emph{Right to be Forgotten}. Achieving…

Machine Learning · Computer Science 2024-06-07 Martin Pawelczyk , Seth Neel , Himabindu Lakkaraju

Effectively handling the co-occurrence of non-IID data and long-tailed distributions remains a critical challenge in federated learning. While fine-tuning vision-language models (VLMs) like CLIP has shown to be promising in addressing…

Machine Learning · Computer Science 2025-03-11 Shihao Hou , Xinyi Shang , Shreyank N Gowda , Yang Lu , Chao Wu , Yan Yan , Hanzi Wang

Large language models (LLMs) are trained on massive datasets that may include private or copyrighted content. Due to growing privacy and ownership concerns, data owners may request the removal of their data from trained models. Machine…

Machine Learning · Computer Science 2026-01-13 Zhihao Liu , Jian Lou , Yuke Hu , Xiaochen Li , Yitian Chen , Tailun Chen , Zhizhen Qin , Kui Ren , Zhan Qin

Large Language Models (LLMs) demonstrate remarkable capabilities, but their training on massive corpora poses significant risks from memorized sensitive information. To mitigate these issues and align with legal standards, unlearning has…

Computation and Language · Computer Science 2025-11-18 Ruichen Qiu , Jiajun Tan , Jiayue Pu , Honglin Wang , Xiao-Shan Gao , Fei Sun

Inspired by the exceptional general intelligence of Large Language Models (LLMs), researchers have begun to explore their application in pioneering the next generation of recommender systems - systems that are conversational, explainable,…

Information Retrieval · Computer Science 2024-08-06 Wensheng Lu , Jianxun Lian , Wei Zhang , Guanghua Li , Mingyang Zhou , Hao Liao , Xing Xie

Large language model (LLM) unlearning aims to remove specific data influences from pre-trained model without costly retraining, addressing privacy, copyright, and safety concerns. However, recent studies reveal a critical vulnerability:…

Computation and Language · Computer Science 2026-05-13 Zeguan Xiao , Xuanzhe Xu , Yun Chen , Yong Wang , Jian Yang , Yanqing Hu , Guanhua Chen

Small language models (SLMs) are widely used in tasks that require low latency and lightweight deployment, particularly classification. As interpretability and robustness gain increasing importance, explanation-guided learning has emerged…

Machine Learning · Computer Science 2025-12-18 Zhuoran Zhang , Feng Zhang , Shangyuan Li , Yang Shi , Yuanxing Zhang , Wei Chen , Tengjiao Wang , Kam-Fai Wong

Fine-tuning-based unlearning methods prevail for preventing targeted harmful, sensitive, or copyrighted information within large language models while preserving overall capabilities. However, the true effectiveness of these methods is…

Computation and Language · Computer Science 2024-10-16 Yihuai Hong , Yuelin Zou , Lijie Hu , Ziqian Zeng , Di Wang , Haiqin Yang

Large language models (LLMs) store vast amounts of information, making them powerful yet raising privacy and safety concerns when selective knowledge removal is required. Existing unlearning strategies, ranging from gradient-based…

Computation and Language · Computer Science 2025-06-02 Xu Wang , Zihao Li , Benyou Wang , Yan Hu , Difan Zou

Contrastive vision-language models like CLIP have shown great progress in transfer learning. In the inference stage, the proper text description, also known as prompt, needs to be carefully designed to correctly classify the given images.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Tony Huang , Jack Chu , Fangyun Wei

The alignment of large language models (LLMs) with human values is critical as these models become increasingly integrated into various societal and decision-making processes. Traditional methods, such as reinforcement learning from human…

Machine Learning · Computer Science 2025-01-08 Prashant Trivedi , Souradip Chakraborty , Avinash Reddy , Vaneet Aggarwal , Amrit Singh Bedi , George K. Atia

The rapid advancement of Large Language Models (LLMs) has demonstrated their vast potential across various domains, attributed to their extensive pretraining knowledge and exceptional generalizability. However, LLMs often encounter…

Computation and Language · Computer Science 2024-06-06 Zheyuan Liu , Guangyao Dou , Zhaoxuan Tan , Yijun Tian , Meng Jiang

Unlearning methods have the potential to improve the privacy and safety of large language models (LLMs) by removing sensitive or harmful information post hoc. The LLM unlearning research community has increasingly turned toward empirical…

Computation and Language · Computer Science 2025-04-09 Pratiksha Thaker , Shengyuan Hu , Neil Kale , Yash Maurya , Zhiwei Steven Wu , Virginia Smith

As LLMs evolve, significant effort is spent on manually crafting prompts. While existing prompt optimization methods automate this process, they rely solely on learning from incorrect samples, leading to a sub-optimal performance.…

Computation and Language · Computer Science 2024-09-24 Mingqi Li , Karan Aggarwal , Yong Xie , Aitzaz Ahmad , Stephen Lau

Machine unlearning (MU) aims to remove the influence of specific data from a trained model. However, approximate unlearning methods, often formulated as a single-objective optimization (SOO) problem, face a critical trade-off between…

Machine Learning · Computer Science 2025-10-23 Youngsik Hwang , Dong-Young Lim

Large Language Model (LLM) unlearning aims to erase or suppress undesirable knowledge within the model, offering promise for controlling harmful or private information to prevent misuse. However, recent studies highlight its limited…

Computation and Language · Computer Science 2025-06-10 Xiaotian Ye , Mengqi Zhang , Shu Wu

Driven by privacy protection laws and regulations, unlearning in Large Language Models (LLMs) is gaining increasing attention. However, current research often neglects the interpretability of the unlearning process, particularly concerning…

Machine Learning · Computer Science 2025-04-10 Xiaohua Feng , Yuyuan Li , Chengye Wang , Junlin Liu , Li Zhang , Chaochao Chen

Conformal unlearning aims to ensure that a trained conformal predictor miscovers data points with specific shared characteristics, such as those from a particular label class, associated with a specific user, or belonging to a defined…

Machine Learning · Computer Science 2026-02-13 Yahya Alkhatib , Muhammad Ahmar Jamal , Wee Peng Tay

Large Language Models (LLMs) have achieved remarkable performance across various reasoning tasks, yet post-training is constrained by inefficient sample utilization and inflexible difficulty samples processing. To address these limitations,…

Continual Learning (CL) enables machine learning models to learn from continuously shifting new training data in absence of data from old tasks. Recently, pretrained vision transformers combined with prompt tuning have shown promise for…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Anurag Roy , Riddhiman Moulick , Vinay K. Verma , Saptarshi Ghosh , Abir Das