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Many real-world applications require machine-learning models to be able to deal with non-stationary data distributions and thus learn autonomously over an extended period of time, often in an online setting. One of the main challenges in…

机器学习 · 计算机科学 2025-07-22 Giuseppe Serra , Ben Werner , Florian Buettner

We consider the continual representation learning setting: sequentially pretrain a model $M'$ on tasks $T_1, \ldots, T_T$, and then adapt $M'$ on a small amount of data from each task $T_i$ to check if it has forgotten information from old…

机器学习 · 计算机科学 2023-02-28 Michael Sun , Ananya Kumar , Divyam Madaan , Percy Liang

Forgetting is often seen as an unwanted characteristic in both human and machine learning. However, we propose that forgetting can in fact be favorable to learning. We introduce "forget-and-relearn" as a powerful paradigm for shaping the…

机器学习 · 计算机科学 2022-02-02 Hattie Zhou , Ankit Vani , Hugo Larochelle , Aaron Courville

In Continual Learning (CL), a neural network is trained on a stream of data whose distribution changes over time. In this context, the main problem is how to learn new information without forgetting old knowledge (i.e., Catastrophic…

Recent studies on catastrophic forgetting during sequential learning typically focus on fixing the accuracy of the predictions for a previously learned task. In this paper we argue that the outputs of neural networks are subject to rapid…

机器学习 · 计算机科学 2020-02-14 Yuwen Xiong , Mengye Ren , Raquel Urtasun

Comparison of fine-tuning models with reinforcement learning (RL) and supervised fine-tuning (SFT) reveals that, despite similar performance at a new task, RL preserves prior knowledge and capabilities significantly better. We find that the…

机器学习 · 计算机科学 2025-09-05 Idan Shenfeld , Jyothish Pari , Pulkit Agrawal

Foundational Vision-Language Models (VLMs) excel across diverse tasks, but adapting them to new domains without forgetting prior knowledge remains a critical challenge. Continual Learning (CL) addresses this challenge by enabling models to…

机器学习 · 计算机科学 2026-02-03 Vaibhav Singh , Rahaf Aljundi , Eugene Belilovsky

Catastrophic forgetting describes the fact that machine learning models will likely forget the knowledge of previously learned tasks after the learning process of a new one. It is a vital problem in the continual learning scenario and…

机器学习 · 计算机科学 2022-05-25 Wenjie Jiang , Zhide Lu , Dong-Ling Deng

Continual learning (CL) refers to the ability to continually learn over time by accommodating new knowledge while retaining previously learned experience. While this concept is inherent in human learning, current machine learning methods…

机器学习 · 计算机科学 2024-08-15 Anna Vettoruzzo , Joaquin Vanschoren , Mohamed-Rafik Bouguelia , Thorsteinn Rögnvaldsson

We explore the behavior of a standard convolutional neural net in a continual-learning setting that introduces visual classification tasks sequentially and requires the net to master new tasks while preserving mastery of previously learned…

机器学习 · 计算机科学 2020-04-01 Guy Davidson , Michael C. Mozer

Supervised fine-tuning (SFT) plays a critical role for pretrained large language models (LLMs), notably enhancing their capacity to acquire domain-specific knowledge while preserving or potentially augmenting their general-purpose…

机器学习 · 计算机科学 2026-03-31 Ali Taheri , Alireza Taban , Qizhou Wang , Shanshan Ye , Abdolreza Mirzaei , Tongliang Liu , Bo Han

Catastrophic forgetting is a major problem in continual learning, and lots of approaches arise to reduce it. However, most of them are evaluated through task accuracy, which ignores the internal model structure. Recent research suggests…

机器学习 · 计算机科学 2026-03-06 Yunqin Zhu , Jun Jin

Artificial neural networks, celebrated for their human-like cognitive learning abilities, often encounter the well-known catastrophic forgetting (CF) problem, where the neural networks lose the proficiency in previously acquired knowledge.…

机器学习 · 计算机科学 2024-05-14 Weiwei Weng , Mahardhika Pratama , Jie Zhang , Chen Chen , Edward Yapp Kien Yee , Ramasamy Savitha

Continual learning (CL) for Foundation Models (FMs) is an essential yet underexplored challenge, especially in Federated Continual Learning (FCL), where each client learns from a private, evolving task stream under strict data and…

机器学习 · 计算机科学 2025-08-14 Hao Yu , Xin Yang , Boyang Fan , Xuemei Cao , Hanlin Gu , Lixin Fan , Qiang Yang

Catastrophic forgetting during knowledge injection impairs the ability of large language models to acquire new knowledge without overwriting previously mastered knowledge. Recent studies analyze forgetting from a gradient similarity…

机器学习 · 计算机科学 2026-05-14 Mutian Yang , Zisen Zhan , Yutong Chen , Haolin Li , Kaiwen Wang , Kaili Zheng , Yuguang Wang , Qi Wang , Jiandong Gao , Ji Wu

Adapting pre-trained models to specialized tasks often leads to catastrophic forgetting, where new knowledge overwrites foundational capabilities. Existing methods either compromise performance on the new task or struggle to balance…

机器学习 · 计算机科学 2026-03-10 Dyah Adila , Hanna Mazzawi , Benoit Dherin , Xavier Gonzalvo

Pre-trained foundation models, due to their enormous capacity and exposure to vast amounts of data during pre-training, are known to have learned plenty of real-world concepts. An important step in making these pre-trained models effective…

机器学习 · 计算机科学 2024-07-02 Jishnu Mukhoti , Yarin Gal , Philip H. S. Torr , Puneet K. Dokania

In recent years, continual learning with pre-training (CLPT) has received widespread interest, instead of its traditional focus of training from scratch. The use of strong pre-trained models (PTMs) can greatly facilitate knowledge transfer…

计算机视觉与模式识别 · 计算机科学 2024-08-16 Gengwei Zhang , Liyuan Wang , Guoliang Kang , Ling Chen , Yunchao Wei

Learning from changing tasks and sequential experience without forgetting the obtained knowledge is a challenging problem for artificial neural networks. In this work, we focus on two challenging problems in the paradigm of Continual…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Tao Feng , Hangjie Yuan , Mang Wang , Ziyuan Huang , Ang Bian , Jianzhou Zhang

The ability to learn different tasks sequentially is essential to the development of artificial intelligence. In general, neural networks lack this capability, the major obstacle being catastrophic forgetting. It occurs when the…

机器学习 · 计算机科学 2021-10-22 Kaustubh Olpadkar , Ekta Gavas