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Many Knowledege Graphs (KGs) are frequently updated, forcing their Knowledge Graph Embeddings (KGEs) to adapt to these changes. To address this problem, continual learning techniques for KGEs incorporate embeddings for new entities while…

机器学习 · 计算机科学 2026-05-29 Gerard Pons , Besim Bilalli , Anna Queralt

In this paper, we propose a continual learning (CL) technique that is beneficial to sequential task learners by improving their retained accuracy and reducing catastrophic forgetting. The principal target of our approach is the automatic…

机器学习 · 计算机科学 2021-01-19 Ammar Shaker , Shujian Yu , Francesco Alesiani

Catastrophic forgetting remains a central obstacle for continual learning in neural models. Popular approaches -- replay and elastic weight consolidation (EWC) -- have limitations: replay requires a strong generator and is prone to…

机器学习 · 计算机科学 2026-01-28 Zekun Wang , Anant Gupta , Zihan Dong , Christopher J. MacLellan

Efficient continual learning techniques have been a topic of significant research over the last few years. A fundamental problem with such learning is severe degradation of performance on previously learned tasks, known also as catastrophic…

机器学习 · 计算机科学 2024-03-05 Tammuz Dubnov , Vishal Thengane

Catastrophic forgetting refers to the tendency that a neural network "forgets" the previous learned knowledge upon learning new tasks. Prior methods have been focused on overcoming this problem on convolutional neural networks (CNNs), where…

机器学习 · 计算机科学 2020-12-14 Huihui Liu , Yiding Yang , Xinchao Wang

Graph continual learning (GCL) aims to learn from a continuous sequence of graph-based tasks. Regularization methods are vital for preventing catastrophic forgetting in GCL, particularly in the challenging replay-free, class-incremental…

机器学习 · 计算机科学 2025-09-17 Jie Yin , Ke Sun , Han Wu

Continual learning, the ability of a model to learn over time without forgetting previous knowledge and, therefore, be adaptive to new data, is paramount in dynamic fields such as disease outbreak prediction. Deep neural networks, i.e.,…

机器学习 · 计算机科学 2024-01-18 Saba Aslam , Abdur Rasool , Hongyan Wu , Xiaoli Li

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

Graph Neural Networks (GNNs) have recently received significant research attention due to their superior performance on a variety of graph-related learning tasks. Most of the current works focus on either static or dynamic graph settings,…

机器学习 · 计算机科学 2021-02-09 Fan Zhou , Chengtai Cao

The ability to learn in dynamic, nonstationary environments without forgetting previous knowledge, also known as Continual Learning (CL), is a key enabler for scalable and trustworthy deployments of adaptive solutions. While the importance…

机器学习 · 计算机科学 2021-03-25 Andrea Cossu , Antonio Carta , Davide Bacciu

In this paper we propose an approach to avoiding catastrophic forgetting in sequential task learning scenarios. Our technique is based on a network reparameterization that approximately diagonalizes the Fisher Information Matrix of the…

计算机视觉与模式识别 · 计算机科学 2018-12-13 Xialei Liu , Marc Masana , Luis Herranz , Joost Van de Weijer , Antonio M. Lopez , Andrew D. Bagdanov

Knowledge Graph Embedding methods aim at representing entities and relations in a knowledge base as points or vectors in a continuous vector space. Several approaches using embeddings have shown promising results on tasks such as link…

Temporal knowledge graph (TKG) completion models typically rely on having access to the entire graph during training. However, in real-world scenarios, TKG data is often received incrementally as events unfold, leading to a dynamic…

机器学习 · 计算机科学 2023-05-31 Mehrnoosh Mirtaheri , Mohammad Rostami , Aram Galstyan

Continual learning of partially similar tasks poses a challenge for artificial neural networks, as task similarity presents both an opportunity for knowledge transfer and a risk of interference and catastrophic forgetting. However, it…

机器学习 · 统计学 2024-05-31 Naoki Hiratani

Preserving model fidelity is essential for stealthy text-to-image (T2I) backdoor attacks. Existing methods such as Learning without Forgetting (LwF) rely on output-based distillation, which provides limited regularization. We introduce…

机器学习 · 计算机科学 2026-05-12 Lu Bowen , Xinyu Tang , Yin Yin Low , Shu-Min Leong

Knowledge Graph (KG) is a flexible structure that is able to describe the complex relationship between data entities. Currently, most KG embedding models are trained based on negative sampling, i.e., the model aims to maximize some…

人工智能 · 计算机科学 2021-06-17 Zelong Li , Jianchao Ji , Zuohui Fu , Yingqiang Ge , Shuyuan Xu , Chong Chen , Yongfeng Zhang

Continual Knowledge Graph Embedding (CKGE) aims to efficiently learn new knowledge and simultaneously preserve old knowledge. Dominant approaches primarily focus on alleviating catastrophic forgetting of old knowledge but neglect efficient…

人工智能 · 计算机科学 2024-07-09 Jiajun Liu , Wenjun Ke , Peng Wang , Jiahao Wang , Jinhua Gao , Ziyu Shang , Guozheng Li , Zijie Xu , Ke Ji , Yining Li

Embedding entities and relations of a knowledge graph in a low-dimensional space has shown impressive performance in predicting missing links between entities. Although progresses have been achieved, existing methods are heuristically…

计算与语言 · 计算机科学 2021-01-26 Danushka Bollegala , Huda Hakami , Yuichi Yoshida , Ken-ichi Kawarabayashi

When learning tasks over time, artificial neural networks suffer from a problem known as Catastrophic Forgetting (CF). This happens when the weights of a network are overwritten during the training of a new task causing forgetting of old…

机器学习 · 计算机科学 2021-12-02 Julio Hurtado , Alain Raymond-Saez , Alvaro Soto

Despite strong performance in many sequence-to-sequence tasks, autoregressive models trained with maximum likelihood estimation suffer from exposure bias, i.e. the discrepancy between the ground-truth prefixes used during training and the…

计算与语言 · 计算机科学 2023-01-11 Michalis Korakakis , Andreas Vlachos