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Reinforcement Learning (RL) has been successful in various domains like robotics, game playing, and simulation. While RL agents have shown impressive capabilities in their specific tasks, they insufficiently adapt to new tasks. In…

机器学习 · 计算机科学 2023-10-30 Thomas Schmied , Markus Hofmarcher , Fabian Paischer , Razvan Pascanu , Sepp Hochreiter

Fine-tuning large language models (LLMs) can cause them to lose their general capabilities. However, the intrinsic mechanisms behind such forgetting remain unexplored. In this paper, we begin by examining this phenomenon by focusing on…

人工智能 · 计算机科学 2024-12-02 Gangwei Jiang , Zhaoyi Li , Defu Lian , Ying Wei

Large language models (LLMs) acquire vast knowledge from large text corpora, but this information can become outdated or inaccurate. Since retraining is computationally expensive, knowledge editing offers an efficient alternative --…

人工智能 · 计算机科学 2025-08-13 Amir Mohammad Salehoof , Ali Ramezani , Yadollah Yaghoobzadeh , Majid Nili Ahmadabadi

Knowledge editing aims to update outdated or incorrect knowledge in large language models (LLMs). However, current knowledge editing methods have limited scalability for lifelong editing. This study explores the fundamental reason why…

计算与语言 · 计算机科学 2025-02-27 Chenhui Hu , Pengfei Cao , Yubo Chen , Kang Liu , Jun Zhao

Large Language Models store extensive factual knowledge acquired during large-scale pre-training. However, this knowledge is inherently static, reflecting only the state of the world at the time of training. Knowledge editing has emerged as…

计算与语言 · 计算机科学 2025-10-14 Geunyeong Jeong , Juoh Sun , Seonghee Lee , Harksoo Kim

Language models (LMs) require robust episodic grounding-the capacity to learn from and apply past experiences-to excel at physical planning tasks. Current episodic grounding approaches struggle with scalability and integration, limiting…

计算与语言 · 计算机科学 2025-06-03 Chunhui Zhang , Sirui , Wang , Zhongyu Ouyang , Xiangchi Yuan , Soroush Vosoughi

Machine learning models exhibit two seemingly contradictory phenomena: training data memorization, and various forms of forgetting. In memorization, models overfit specific training examples and become susceptible to privacy attacks. In…

As scaled language models (LMs) approach human-level reasoning capabilities, self-improvement emerges as a solution to synthesizing high-quality data corpus. While previous research has identified model collapse as a risk in…

计算与语言 · 计算机科学 2025-10-28 Xiangchi Yuan , Chunhui Zhang , Zheyuan Liu , Dachuan Shi , Leyan Pan , Soroush Vosoughi , Wenke Lee

Time Series Foundation Models (TSFMs) have shown promising zero-shot generalization across diverse forecasting tasks. However, their robustness to continual adaptation remains underexplored. In this work, we investigate the extent to which…

机器学习 · 计算机科学 2025-10-03 Nouha Karaouli , Denis Coquenet , Elisa Fromont , Martial Mermillod , Marina Reyboz

Class-Incremental Learning (CIL) requires models to continually acquire knowledge of new classes without forgetting old ones. Despite Pre-trained Models (PTMs) have shown excellent performance in CIL, catastrophic forgetting still occurs as…

机器学习 · 计算机科学 2025-06-19 Hai-Long Sun , Da-Wei Zhou , Hanbin Zhao , Le Gan , De-Chuan Zhan , Han-Jia Ye

We identify a phenomenon, which we refer to as multi-model forgetting, that occurs when sequentially training multiple deep networks with partially-shared parameters; the performance of previously-trained models degrades as one optimizes a…

Machine learning models may involve decision boundaries that change over time due to updates to rules and regulations, such as in loan approvals or claims management. However, in such scenarios, it may take time for sufficient training data…

机器学习 · 计算机科学 2022-01-10 Öznur Alkan , Dennis Wei , Massimiliano Mattetti , Rahul Nair , Elizabeth M. Daly , Diptikalyan Saha

Catastrophic forgetting affects the training of neural networks, limiting their ability to learn multiple tasks sequentially. From the perspective of the well established plasticity-stability dilemma, neural networks tend to be overly…

机器学习 · 计算机科学 2020-06-15 Seyed Iman Mirzadeh , Mehrdad Farajtabar , Razvan Pascanu , Hassan Ghasemzadeh

Large Language Models (LLMs) internalize vast world knowledge as parametric memory, yet inevitably inherit the staleness and errors of their source corpora. Consequently, ensuring the reliability and malleability of these internal…

计算与语言 · 计算机科学 2026-04-08 Xiaojie Gu , Ziying Huang , Weicong Hong , Jian Xie , Renze Lou , Kai Zhang

Large language models (LLMs) are pretrained on corpora containing trillions of tokens and, therefore, inevitably memorize sensitive information. Locate-then-edit methods, as a mainstream paradigm of model editing, offer a promising solution…

密码学与安全 · 计算机科学 2026-05-19 Zhiyu Sun , Minrui Luo , Yu Wang , Zhili Chen , Tianxing He

Large language models (LLMs) require model editing to efficiently update specific knowledge within them and avoid factual errors. Most model editing methods are solely designed for single-time use and result in a significant forgetting…

计算与语言 · 计算机科学 2025-01-15 Jiaang Li , Quan Wang , Zhongnan Wang , Yongdong Zhang , Zhendong Mao

Continual learning (CL) has emerged as a pivotal paradigm to enable large language models (LLMs) to dynamically adapt to evolving knowledge and sequential tasks while mitigating catastrophic forgetting-a critical limitation of the static…

计算与语言 · 计算机科学 2026-03-16 Hongyang Chen , Zhongwu Sun , Hongfei Ye , Kunchi Li , Xuemin Lin

Most standard learning approaches lead to fragile models which are prone to drift when sequentially trained on samples of a different nature - the well-known "catastrophic forgetting" issue. In particular, when a model consecutively learns…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Riccardo Volpi , Diane Larlus , Grégory Rogez

Large language models (LLMs) have achieved remarkable performance on various natural language tasks. However, they are trained on static corpora and their knowledge can become outdated quickly in the fast-changing world. This motivates the…

计算与语言 · 计算机科学 2025-03-04 Tianci Liu , Ruirui Li , Yunzhe Qi , Hui Liu , Xianfeng Tang , Tianqi Zheng , Qingyu Yin , Monica Xiao Cheng , Jun Huan , Haoyu Wang , Jing Gao

Large language models store not only isolated facts but also rules that support reasoning across symbolic expressions, natural language explanations, and concrete instances. Yet most model editing methods are built for fact-level knowledge,…

计算与语言 · 计算机科学 2026-04-10 Yating Wang , Wenting Zhao , Yaqi Zhao , Yongshun Gong , Yilong Yin , Haoliang Sun