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Related papers: Class-Incremental Learning via Knowledge Amalgamat…

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Humans learn all their life long. They accumulate knowledge from a sequence of learning experiences and remember the essential concepts without forgetting what they have learned previously. Artificial neural networks struggle to learn…

Machine Learning · Computer Science 2020-12-09 Timothée Lesort

Continual learning (CL) has two main objectives: preventing catastrophic forgetting (CF) and encouraging knowledge transfer (KT). The existing literature mainly focused on overcoming CF. Some work has also been done on KT when the tasks are…

Computation and Language · Computer Science 2023-10-17 Zixuan Ke , Bing Liu , Wenhan Xiong , Asli Celikyilmaz , Haoran Li

In the past years, Knowledge-Based Question Answering (KBQA), which aims to answer natural language questions using facts in a knowledge base, has been well developed. Existing approaches often assume a static knowledge base. However, the…

Computation and Language · Computer Science 2021-01-19 Yongqi Li , Wenjie Li , Liqiang Nie

Deep learning models suffer from catastrophic forgetting of the classes in the older phases as they get trained on the classes introduced in the new phase in the class-incremental learning setting. In this work, we show that the effect of…

Computer Vision and Pattern Recognition · Computer Science 2021-12-24 Mohammed Asad Karim , Indu Joshi , Pratik Mazumder , Pravendra Singh

A large obstacle to deploying deep learning models in practice is the process of updating models post-deployment (ideally, frequently). Deep neural networks can cost many thousands of dollars to train. When new data comes in the pipeline,…

Machine Learning · Computer Science 2023-06-21 Rich Harang , Hillary Sanders

We observe a high level of imbalance in the accuracy of different classes in the same old task for the first time. This intriguing phenomenon, discovered in replay-based Class Incremental Learning (CIL), highlights the imbalanced forgetting…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Shixiong Xu , Gaofeng Meng , Xing Nie , Bolin Ni , Bin Fan , Shiming Xiang

Continual learning aims to learn a sequence of tasks from dynamic data distributions. Without accessing to the old training samples, knowledge transfer from the old tasks to each new task is difficult to determine, which might be either…

Machine Learning · Computer Science 2021-11-08 Liyuan Wang , Mingtian Zhang , Zhongfan Jia , Qian Li , Chenglong Bao , Kaisheng Ma , Jun Zhu , Yi Zhong

As many fine-tuned pre-trained language models~(PLMs) with promising performance are generously released, investigating better ways to reuse these models is vital as it can greatly reduce the retraining computational cost and the potential…

Computation and Language · Computer Science 2021-12-15 Lei Li , Yankai Lin , Xuancheng Ren , Guangxiang Zhao , Peng Li , Jie Zhou , Xu Sun

Lifelong learning with deep neural networks is well-known to suffer from catastrophic forgetting: the performance on previous tasks drastically degrades when learning a new task. To alleviate this effect, we propose to leverage a large…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Kibok Lee , Kimin Lee , Jinwoo Shin , Honglak Lee

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…

Machine Learning · Computer Science 2025-07-22 Giuseppe Serra , Ben Werner , Florian Buettner

Existing federated learning methods have effectively dealt with decentralized learning in scenarios involving data privacy and non-IID data. However, in real-world situations, each client dynamically learns new classes, requiring the global…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Haiyang Guo , Fei Zhu , Wenzhuo Liu , Xu-Yao Zhang , Cheng-Lin Liu

Continual lifelong learning requires an agent or model to learn many sequentially ordered tasks, building on previous knowledge without catastrophically forgetting it. Much work has gone towards preventing the default tendency of machine…

Machine Learning · Computer Science 2020-03-05 Shawn Beaulieu , Lapo Frati , Thomas Miconi , Joel Lehman , Kenneth O. Stanley , Jeff Clune , Nick Cheney

Knowledge Tracing (KT) aims to trace changes in students' knowledge states throughout their entire learning process by analyzing their historical learning data and predicting their future learning performance. Existing forgetting curve…

Artificial Intelligence · Computer Science 2024-04-26 Shanshan Wang , Ying Hu , Xun Yang , Zhongzhou Zhang , Keyang Wang , Xingyi Zhang

Catastrophic Forgetting (CF) means models forgetting previously acquired knowledge when learning new data. It compromises the effectiveness of large language models (LLMs) during fine-tuning, yet the underlying causes have not been…

Computation and Language · Computer Science 2024-06-10 Hongyu Li , Liang Ding , Meng Fang , Dacheng Tao

Catastrophic forgetting (CF) poses a persistent challenge in continual learning (CL), especially within federated learning (FL) environments characterized by non-i.i.d. time series data. While existing research has largely focused on…

Machine Learning · Computer Science 2026-02-24 Khaled Hallak , Oudom Kem

In Federated Learning (FL), forgetting, or the loss of knowledge across rounds, hampers algorithm convergence, particularly in the presence of severe data heterogeneity among clients. This study explores the nuances of this issue,…

Machine Learning · Computer Science 2024-02-09 Mohammed Aljahdali , Ahmed M. Abdelmoniem , Marco Canini , Samuel Horváth

This paper presents a practical and simple yet efficient method to effectively deal with the catastrophic forgetting for Class Incremental Learning (CIL) tasks. CIL tends to learn new concepts perfectly, but not at the expense of…

Machine Learning · Computer Science 2021-03-30 Bahram Mohammadi , Mohammad Sabokrou

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.…

Machine Learning · Computer Science 2024-05-14 Weiwei Weng , Mahardhika Pratama , Jie Zhang , Chen Chen , Edward Yapp Kien Yee , Ramasamy Savitha

A fundamental requirement for intelligent systems is the ability to learn continuously under changing environments. However, models trained in this regime often suffer from catastrophic forgetting. Leveraging pre-trained models has recently…

Artificial Intelligence · Computer Science 2026-03-12 Tung Tran , Danilo Vasconcellos Vargas , Khoat Than

Existing literature in Continual Learning (CL) has focused on overcoming catastrophic forgetting, the inability of the learner to recall how to perform tasks observed in the past. There are however other desirable properties of a CL system,…

Machine Learning · Computer Science 2021-02-15 Tom Veniat , Ludovic Denoyer , Marc'Aurelio Ranzato