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We address the problem of self-supervised learning on discrete event sequences generated by real-world users. Self-supervised learning incorporates complex information from the raw data in low-dimensional fixed-length vector representations…

Machine Learning · Computer Science 2022-07-25 Dmitrii Babaev , Ivan Kireev , Nikita Ovsov , Mariya Ivanova , Gleb Gusev , Ivan Nazarov , Alexander Tuzhilin

Generalized zero-shot learning(GZSL) aims to classify samples from seen and unseen labels, assuming unseen labels are not accessible during training. Recent advancements in GZSL have been expedited by incorporating…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Riti Paul , Sahil Vora , Baoxin Li

Graph representation learning has emerged as a cornerstone for tasks like node classification and link prediction, yet prevailing self-supervised learning (SSL) methods face challenges such as computational inefficiency, reliance on…

Machine Learning · Computer Science 2025-09-04 Srinitish Srinivasan , Omkumar CU

Recent advancements in contrastive learning have revolutionized self-supervised representation learning and achieved state-of-the-art performance on benchmark tasks. While most existing methods focus on applying contrastive learning to…

Machine Learning · Computer Science 2024-04-16 Lihui Liu , Jinha Kim , Vidit Bansal

Models for Visual Question Answering (VQA) often rely on the spurious correlations, i.e., the language priors, that appear in the biased samples of training set, which make them brittle against the out-of-distribution (OOD) test data.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Qingyi Si , Yuanxin Liu , Fandong Meng , Zheng Lin , Peng Fu , Yanan Cao , Weiping Wang , Jie Zhou

The need for abundant labelled data in supervised Adversarial Training (AT) has prompted the use of Self-Supervised Learning (SSL) techniques with AT. However, the direct application of existing SSL methods to adversarial training has been…

Machine Learning · Computer Science 2024-06-11 Sravanti Addepalli , Priyam Dey , R. Venkatesh Babu

Most deep metric learning (DML) methods employ a strategy that forces all positive samples to be close in the embedding space while keeping them away from negative ones. However, such a strategy ignores the internal relationships of…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Zelong Zeng , Fan Yang , Zheng Wang , Shin'ichi Satoh

Machine learning for differential equations paves the way for computationally efficient alternatives to numerical solvers, with potentially broad impacts in science and engineering. Though current algorithms typically require simulated…

Machine Learning · Computer Science 2024-02-15 Grégoire Mialon , Quentin Garrido , Hannah Lawrence , Danyal Rehman , Yann LeCun , Bobak T. Kiani

Data-free knowledge distillation~(DFKD) is an effective manner to solve model compression and transmission restrictions while retaining privacy protection, which has attracted extensive attention in recent years. Currently, the majority of…

Machine Learning · Computer Science 2025-10-07 Renrong Shao , Wei Zhang , Jun wang

Most existing Zero-Shot Learning (ZSL) methods have the strong bias problem, in which instances of unseen (target) classes tend to be categorized as one of the seen (source) classes. So they yield poor performance after being deployed in…

Computer Vision and Pattern Recognition · Computer Science 2018-04-02 Jie Song , Chengchao Shen , Yezhou Yang , Yang Liu , Mingli Song

This work addresses the task of self-supervised learning (SSL) on a long-tailed dataset that aims to learn balanced and well-separated representations for downstream tasks such as image classification. This task is crucial because the real…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Cuong Manh Hoang , Yeejin Lee , Byeongkeun Kang

The superior performance of some of today's state-of-the-art deep learning models is to some extent owed to extensive (self-)supervised contrastive pretraining on large-scale datasets. In contrastive learning, the network is presented with…

Machine Learning · Computer Science 2022-07-20 Shervin Ardeshir , Navid Azizan

Foundation models have recently gained attention within the field of machine learning thanks to its efficiency in broad data processing. While researchers had attempted to extend this success to time series models, the main challenge is…

Machine Learning · Computer Science 2023-11-22 Trang H. Tran , Lam M. Nguyen , Kyongmin Yeo , Nam Nguyen , Roman Vaculin

In this paper, we propose that small models may not need to absorb the cost of pre-training to reap its benefits. Instead, they can capitalize on the astonishing results achieved by modern, enormous models to a surprising degree. We observe…

Machine Learning · Computer Science 2024-05-06 Sean Farhat , Deming Chen

Large pre-trained transformer-based language models have achieved impressive results on a wide range of NLP tasks. In the past few years, Knowledge Distillation(KD) has become a popular paradigm to compress a computationally expensive model…

Computation and Language · Computer Science 2020-10-13 Xinyin Ma , Yongliang Shen , Gongfan Fang , Chen Chen , Chenghao Jia , Weiming Lu

We present a contrasting learning approach with data augmentation techniques to learn document representations in an unsupervised manner. Inspired by recent contrastive self-supervised learning algorithms used for image and NLP pretraining,…

Computation and Language · Computer Science 2021-03-29 Dongsheng Luo , Wei Cheng , Jingchao Ni , Wenchao Yu , Xuchao Zhang , Bo Zong , Yanchi Liu , Zhengzhang Chen , Dongjin Song , Haifeng Chen , Xiang Zhang

Model distillation enables the transfer of knowledge from large-scale models to compact student models, facilitating deployment in resource-constrained environments. However, conventional distillation approaches often suffer from…

Machine Learning · Computer Science 2025-08-21 Suleyman Olcay Polat , Poli A. Nemkova , Mark V. Albert

Recent advances in dataset distillation have led to solutions in two main directions. The conventional batch-to-batch matching mechanism is ideal for small-scale datasets and includes bi-level optimization methods on models and syntheses,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Zhiqiang Shen , Ammar Sherif , Zeyuan Yin , Shitong Shao

Dataset distillation aims to generate compact synthetic datasets that enable models trained on them to achieve performance comparable to those trained on full real datasets, while substantially reducing storage and computational costs.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Xinhao Zhong , Shuoyang Sun , Xulin Gu , Chenyang Zhu , Bin Chen , Yaowei Wang

This paper presents simple and efficient methods to mitigate sampling bias in active learning while achieving state-of-the-art accuracy and model robustness. We introduce supervised contrastive active learning by leveraging the contrastive…

Machine Learning · Computer Science 2021-09-15 Ranganath Krishnan , Alok Sinha , Nilesh Ahuja , Mahesh Subedar , Omesh Tickoo , Ravi Iyer