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Continual learning~(CL) is a field concerned with learning a series of inter-related task with the tasks typically defined in the sense of either regression or classification. In recent years, CL has been studied extensively when these…

Machine Learning · Computer Science 2023-11-07 Krishnan Raghavan , Prasanna Balaprakash

Biologically inspired spiking neural networks (SNNs) have garnered considerable attention due to their low-energy consumption and spatio-temporal information processing capabilities. Most existing SNNs training methods first integrate…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Haonan Qiu , Zeyin Song , Yanqi Chen , Munan Ning , Wei Fang , Tao Sun , Zhengyu Ma , Li Yuan , Yonghong Tian

Graph data in real-world scenarios undergo rapid and frequent changes, making it challenging for existing graph models to effectively handle the continuous influx of new data and accommodate data withdrawal requests. The approach to…

Machine Learning · Computer Science 2025-08-26 Jiaxing Miao , Liang Hu , Qi Zhang , Longbing Cao

Representation learning in dynamic graphs is a challenging problem because the topology of graph and node features vary at different time. This requires the model to be able to effectively capture both graph topology information and…

Machine Learning · Computer Science 2021-11-16 Xintao Xiang , Tiancheng Huang , Donglin Wang

Continual learning (CL) presents a fundamental challenge in training neural networks on sequential tasks without experiencing catastrophic forgetting. Traditionally, the dominant approach in CL has been gradient-based optimization, where…

Machine Learning · Computer Science 2025-04-03 Grzegorz Rypeść

The ability of neural networks to continuously learn and adapt to new tasks while retaining prior knowledge is crucial for many applications. However, current neural networks tend to forget previously learned tasks when trained on new ones,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-04 Sinan Özgür Özgün , Anne-Marie Rickmann , Abhijit Guha Roy , Christian Wachinger

Universal time series representation learning is challenging but valuable in real-world applications such as classification, anomaly detection, and forecasting. Recently, contrastive learning (CL) has been actively explored to tackle time…

Machine Learning · Computer Science 2025-02-06 Namwoo Kim , Hyungryul Baik , Yoonjin Yoon

Nowadays, real-world applications often face streaming data, which requires the learning system to absorb new knowledge as data evolves. Continual Learning (CL) aims to achieve this goal and meanwhile overcome the catastrophic forgetting of…

Machine Learning · Computer Science 2024-04-24 Da-Wei Zhou , Hai-Long Sun , Jingyi Ning , Han-Jia Ye , De-Chuan Zhan

Temporal knowledge graphs (TKGs) have been identified as a promising approach to represent the dynamics of facts along the timeline. The extrapolation of TKG is to predict unknowable facts happening in the future, holding significant…

Artificial Intelligence · Computer Science 2023-12-05 Wei Chen , Huaiyu Wan , Yuting Wu , Shuyuan Zhao , Jiayaqi Cheng , Yuxin Li , Youfang Lin

Graph neural networks (GNNs) for temporal graphs have recently attracted increasing attentions, where a common assumption is that the class set for nodes is closed. However, in real-world scenarios, it often faces the open set problem with…

Machine Learning · Computer Science 2023-05-26 Kaituo Feng , Changsheng Li , Xiaolu Zhang , Jun Zhou

Graph contrastive learning (GCL) learns node and graph representations by contrasting multiple views of the same graph. Existing methods typically rely on fixed, handcrafted views-usually a local and a global perspective, which limits their…

Machine Learning · Computer Science 2026-05-12 Yanan Zhao , Feng Ji , Jingyang Dai , Jiaze Ma , Keyue Jiang , Kai Zhao , Wee Peng Tay

Graph Contrastive Learning (GCL) has shown strong promise for unsupervised graph representation learning, yet its effectiveness on heterophilic graphs, where connected nodes often belong to different classes, remains limited. Most existing…

Machine Learning · Computer Science 2026-05-12 Yanan Zhao , Feng Ji , Jingyang Dai , Jiaze Ma , Wee Peng Tay

General-purpose learning systems should improve themselves in open-ended fashion in ever-changing environments. Conventional learning algorithms for neural networks, however, suffer from catastrophic forgetting (CF), i.e., previously…

Machine Learning · Computer Science 2025-02-18 Kazuki Irie , Róbert Csordás , Jürgen Schmidhuber

Continual learning (CL) is a setting in which an agent has to learn from an incoming stream of data sequentially. CL performance evaluates the model's ability to continually learn and solve new problems with incremental available…

Machine Learning · Computer Science 2022-05-04 Josh Andle , Salimeh Yasaei Sekeh

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…

Machine Learning · Computer Science 2026-02-03 Vaibhav Singh , Rahaf Aljundi , Eugene Belilovsky

Graph Neural Networks (GNNs) have achieved great success in learning graph representations and thus facilitating various graph-related tasks. However, most GNN methods adopt a supervised learning setting, which is not always feasible in…

Machine Learning · Computer Science 2022-08-16 Hongliang Chi , Yao Ma

Continual learning aims to learn continuously from a stream of tasks and data in an online-learning fashion, being capable of exploiting what was learned previously to improve current and future tasks while still being able to perform well…

Machine Learning · Computer Science 2020-07-31 Quang Pham , Doyen Sahoo , Chenghao Liu , Steven C. H Hoi

knowledge graph-based recommendation methods have achieved great success in the field of recommender systems. However, over-reliance on high-quality knowledge graphs is a bottleneck for such methods. Specifically, the long-tailed…

Information Retrieval · Computer Science 2023-10-03 Yubo Gao , Haotian Wu

Temporal graph representation learning (TGRL) is essential for modeling dynamic systems in real-world networks. However, traditional TGRL methods, despite their effectiveness, often face significant computational challenges and inference…

Machine Learning · Computer Science 2024-11-26 Yuhong Luo , Pan Li

Out-of-distribution (OOD) prediction remains a significant challenge in machine learning, particularly for tabular data where traditional methods often fail to generalize beyond their training distribution. This paper introduces Tabular…

Machine Learning · Computer Science 2025-05-21 Achmad Ginanjar , Xue Li , Priyanka Singh , Wen Hua