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Related papers: CLASSIC: Continual and Contrastive Learning of Asp…

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Real-world environments are inherently non-stationary, frequently introducing new classes over time. This is especially common in time series classification, such as the emergence of new disease classification in healthcare or the addition…

Machine Learning · Computer Science 2024-08-06 Zhongzheng Qiao , Quang Pham , Zhen Cao , Hoang H Le , P. N. Suganthan , Xudong Jiang , Ramasamy Savitha

Extracting generalized and robust representations is a major challenge in emotion recognition in conversations (ERC). To address this, we propose a supervised adversarial contrastive learning (SACL) framework for learning class-spread…

Computation and Language · Computer Science 2023-07-11 Dou Hu , Yinan Bao , Lingwei Wei , Wei Zhou , Songlin Hu

Class incremental learning (CIL) is a challenging setting of continual learning, which learns a series of tasks sequentially. Each task consists of a set of unique classes. The key feature of CIL is that no task identifier (or task-id) is…

Machine Learning · Computer Science 2024-03-14 Haowei Lin , Yijia Shao , Weinan Qian , Ningxin Pan , Yiduo Guo , Bing Liu

Contrastive Learning (CL) has been successfully applied to classification and other downstream tasks related to concrete concepts, such as objects contained in the ImageNet dataset. No attempts seem to have been made so far in applying this…

Machine Learning · Computer Science 2025-05-30 Daniel N. Nissani

Continual Learning (CL) is a powerful tool that enables agents to learn a sequence of tasks, accumulating knowledge learned in the past and using it for problem-solving or future task learning. However, existing CL methods often assume that…

Machine Learning · Computer Science 2025-06-09 Chaofan Pan , Jiafen Liu , Yanhua Li , Linbo Xiong , Fan Min , Wei Wei , Xin Yang

Event Causality Identification (ECI) aims at determining the existence of a causal relation between two events. Although recent prompt learning-based approaches have shown promising improvements on the ECI task, their performance are often…

Information Retrieval · Computer Science 2024-09-30 Chao Liang , Wei Xiang , Bang Wang

Adversarial continual learning is effective for continual learning problems because of the presence of feature alignment process generating task-invariant features having low susceptibility to the catastrophic forgetting problem.…

Machine Learning · Computer Science 2022-09-07 Tanmoy Dam , Mahardhika Pratama , MD Meftahul Ferdaus , Sreenatha Anavatti , Hussein Abbas

Contrastive learning is among the most popular and powerful approaches for self-supervised representation learning, where the goal is to map semantically similar samples close together while separating dissimilar ones in the latent space.…

Machine Learning · Statistics 2025-12-03 Ali Alvandi , Mina Rezaei

Aspect-level sentiment classification (ASC) aims at identifying sentiment polarities towards aspects in a sentence, where the aspect can behave as a general Aspect Category (AC) or a specific Aspect Term (AT). However, due to the especially…

Computation and Language · Computer Science 2018-11-28 Zheng Li , Ying Wei , Yu Zhang , Xiang Zhang , Xin Li , Qiang Yang

Class-incremental learning (CIL) has emerged as a means to learn new classes incrementally without catastrophic forgetting of previous classes. Recently, CIL has undergone a paradigm shift towards dynamic architectures due to their superior…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Sunyuan Qiang , Yanyan Liang , Jun Wan , Du Zhang

Class-Incremental Learning (CIL) aims to sequentially learn new classes while mitigating catastrophic forgetting of previously learned knowledge. Conventional CIL approaches implicitly assume that classes are morphologically static,…

Machine Learning · Computer Science 2026-02-03 Zheng Zhang , Tao Hu , Xueheng Li , Yang Wang , Rui Li , Jie Zhang , Chengjun Xie

Image-Text pretraining on web-scale image caption datasets has become the default recipe for open vocabulary classification and retrieval models thanks to the success of CLIP and its variants. Several works have also used CLIP features for…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Muhammad Ferjad Naeem , Yongqin Xian , Xiaohua Zhai , Lukas Hoyer , Luc Van Gool , Federico Tombari

Continual learning (CL) is a learning paradigm that emulates the human capability of learning and accumulating knowledge continually without forgetting the previously learned knowledge and also transferring the learned knowledge to help…

Computation and Language · Computer Science 2023-05-12 Zixuan Ke , Bing Liu

Existing continual learning techniques focus on either task incremental learning (TIL) or class incremental learning (CIL) problem, but not both. CIL and TIL differ mainly in that the task-id is provided for each test sample during testing…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Gyuhak Kim , Sepideh Esmaeilpour , Changnan Xiao , Bing Liu

Continual learning aims to improve the ability of modern learning systems to deal with non-stationary distributions, typically by attempting to learn a series of tasks sequentially. Prior art in the field has largely considered supervised…

Machine Learning · Computer Science 2019-11-01 Dushyant Rao , Francesco Visin , Andrei A. Rusu , Yee Whye Teh , Razvan Pascanu , Raia Hadsell

Contrastive learning is a representation learning method performed by contrasting a sample to other similar samples so that they are brought closely together, forming clusters in the feature space. The learning process is typically…

Machine Learning · Computer Science 2022-09-28 Valentino Vito , Lim Yohanes Stefanus

Instance-level Image Retrieval (IIR), or simply Instance Retrieval, deals with the problem of finding all the images within an dataset that contain a query instance (e.g. an object). This paper makes the first attempt that tackles this…

Computer Vision and Pattern Recognition · Computer Science 2022-09-29 Tao Wu , Tie Luo , Donald Wunsch

Adversarial contrastive learning (ACL) is a technique that enhances standard contrastive learning (SCL) by incorporating adversarial data to learn a robust representation that can withstand adversarial attacks and common corruptions without…

Machine Learning · Computer Science 2023-10-24 Xilie Xu , Jingfeng Zhang , Feng Liu , Masashi Sugiyama , Mohan Kankanhalli

Knowledge tracing and dropout prediction are crucial for online education to estimate students' knowledge states or to prevent dropout rates. While traditional systems interacting with students suffered from data sparsity and overfitting,…

Computers and Society · Computer Science 2022-10-20 Jungbae Park , Jinyoung Kim , Soonwoo Kwon , Sang Wan Lee

As a front-burner problem in incremental learning, class incremental semantic segmentation (CISS) is plagued by catastrophic forgetting and semantic drift. Although recent methods have utilized knowledge distillation to transfer knowledge…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Danpei Zhao , Bo Yuan , Zhenwei Shi