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In our ever-evolving world, new data exhibits a long-tailed distribution, such as e-commerce platform reviews. This necessitates continuous model learning imbalanced data without forgetting, addressing the challenge of long-tailed…

机器学习 · 计算机科学 2024-09-12 Zhi-Hong Qi , Da-Wei Zhou , Yiran Yao , Han-Jia Ye , De-Chuan Zhan

Large Language Model (LLM)-based passage expansion has shown promise for enhancing first-stage retrieval, but often underperforms with dense retrievers due to semantic drift and misalignment with their pretrained semantic space. Beyond…

信息检索 · 计算机科学 2025-08-26 Huanwei Xu , Lin Xu , Liang Yuan

Video anomaly detection (VAD) is a critical yet challenging task due to the complex and diverse nature of real-world scenarios. Previous methods typically rely on domain-specific training data and manual adjustments when applying to new…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Zhiwei Yang , Chen Gao , Mike Zheng Shou

The dilemma between plasticity and stability presents a significant challenge in Incremental Learning (IL), especially in the exemplar-free scenario where accessing old-task samples is strictly prohibited during the learning of a new task.…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Wenju Sun , Qingyong Li , Wen Wang , Yangli-ao Geng

Continual learning (CL) seeks to mitigate catastrophic forgetting when models are trained with sequential tasks. A common approach, experience replay (ER), stores past exemplars but only sparsely approximates the data distribution, yielding…

机器学习 · 计算机科学 2025-11-11 Chih-Fan Hsu , Ming-Ching Chang , Wei-Chao Chen

Continual Learning (CL, sometimes also termed incremental learning) is a flavor of machine learning where the usual assumption of stationary data distribution is relaxed or omitted. When naively applying, e.g., DNNs in CL problems, changes…

机器学习 · 计算机科学 2022-08-31 Benedikt Bagus , Alexander Gepperth , Timothée Lesort

Rehearsal-based continual learning (CL) mitigates catastrophic forgetting by maintaining a subset of samples from previous tasks for replay. Existing studies primarily focus on optimizing memory storage through coreset selection strategies.…

机器学习 · 计算机科学 2026-04-13 Minh-Duong Nguyen , Thien-Thanh Dao , Le-Tuan Nguyen , Dung D. Le , Kok-Seng Wong

We propose TANDA, an effective technique for fine-tuning pre-trained Transformer models for natural language tasks. Specifically, we first transfer a pre-trained model into a model for a general task by fine-tuning it with a large and…

计算与语言 · 计算机科学 2019-11-21 Siddhant Garg , Thuy Vu , Alessandro Moschitti

In online continual learning (CL), models trained on changing distributions easily forget previously learned knowledge and bias toward newly received tasks. To address this issue, we present Continual Bias Adaptor (CBA), a bi-level…

机器学习 · 计算机科学 2024-08-27 Quanziang Wang , Renzhen Wang , Yichen Wu , Xixi Jia , Minghao Zhou , Deyu Meng

The emergence of in-context learning (ICL) enables large pre-trained language models (PLMs) to make predictions for unseen inputs without updating parameters. Despite its potential, ICL's effectiveness heavily relies on the quality,…

机器学习 · 计算机科学 2024-07-02 Xiaoling Zhou , Wei Ye , Yidong Wang , Chaoya Jiang , Zhemg Lee , Rui Xie , Shikun Zhang

Continual Learning (CL) aims to enable Deep Neural Networks (DNNs) to learn new data without forgetting previously learned knowledge. The key to achieving this goal is to avoid confusion at the feature level, i.e., avoiding confusion within…

机器学习 · 计算机科学 2024-08-07 Shaoxu Cheng , Kanglei Geng , Chiyuan He , Zihuan Qiu , Linfeng Xu , Heqian Qiu , Lanxiao Wang , Qingbo Wu , Fanman Meng , Hongliang Li

Continual learning aims to acquire tasks sequentially without catastrophic forgetting, yet standard strategies face a core tradeoff: regularization-based methods (e.g., EWC) can overconstrain updates when task optima are weakly overlapping,…

机器学习 · 计算机科学 2026-05-28 Zekun Wang , Anant Gupta , Christopher J. MacLellan

Lifelong deep learning (LDL) trains neural networks to learn sequentially across tasks while preserving prior knowledge. We propose Task-Aware Multi-Expert (TAME), a continual learning algorithm that leverages task similarity to guide…

机器学习 · 计算机科学 2025-12-15 Jianyu Wang , Jacob Nean-Hua Sheikh , Cat P. Le , Hoda Bidkhori

Exemplar-Free Class Incremental Learning (EFCIL) aims to learn from a sequence of tasks without having access to previous task data. In this paper, we consider the challenging Cold Start scenario in which insufficient data is available in…

计算机视觉与模式识别 · 计算机科学 2024-05-31 Simone Magistri , Tomaso Trinci , Albin Soutif-Cormerais , Joost van de Weijer , Andrew D. Bagdanov

Human beings are able to master a variety of knowledge and skills with ongoing learning. By contrast, dramatic performance degradation is observed when new tasks are added to an existing neural network model. This phenomenon, termed as…

机器学习 · 计算机科学 2019-10-25 Xin Yao , Tianchi Huang , Chenglei Wu , Rui-Xiao Zhang , Lifeng Sun

The article proposes and theoretically analyses a \emph{computationally efficient} multi-task learning (MTL) extension of popular principal component analysis (PCA)-based supervised learning schemes…

机器学习 · 统计学 2021-11-02 Malik Tiomoko , Romain Couillet , Frédéric Pascal

Exemplar-free class-incremental learning (EFCIL) poses significant challenges, primarily due to catastrophic forgetting, necessitating a delicate balance between stability and plasticity to accurately recognize both new and previous…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Eduard Hogea , Adrian Popescu , Darian Onchis , Grégoire Petit

Partial label learning is a prominent weakly supervised classification task, where each training instance is ambiguously labeled with a set of candidate labels. In real-world scenarios, candidate labels are often influenced by instance…

计算机视觉与模式识别 · 计算机科学 2026-03-06 Rui Zhao , Bin Shi , Kai Sun , Bo Dong

User modeling in large e-commerce platforms aims to optimize user experiences by incorporating various customer activities. Traditional models targeting a single task often focus on specific business metrics, neglecting the comprehensive…

信息检索 · 计算机科学 2025-02-28 Mingdai Yang , Fan Yang , Yanhui Guo , Shaoyuan Xu , Tianchen Zhou , Yetian Chen , Simone Shao , Jia Liu , Yan Gao

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