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Recently, neural networks have shown impressive progress across diverse fields, with speech processing being no exception. However, recent breakthroughs in this area require extensive offline training using large datasets and tremendous…

音频与语音处理 · 电气工程与系统科学 2024-06-05 Umberto Cappellazzo , Enrico Fini , Muqiao Yang , Daniele Falavigna , Alessio Brutti , Bhiksha Raj

Graph clustering is a crucial task in network analysis with widespread applications, focusing on partitioning nodes into distinct groups with stronger intra-group connections than inter-group ones. Recently, contrastive learning has…

机器学习 · 计算机科学 2024-08-20 Xunlian Wu , Jingqi Hu , Anqi Zhang , Yining Quan , Qiguang Miao , Peng Gang Sun

Humans are capable of learning new concepts from only a few (labeled) exemplars, incrementally and continually. This happens within the context that we can differentiate among the exemplars, and between the exemplars and large amounts of…

机器学习 · 计算机科学 2022-02-08 Daniel T. Chang

Knowledge tracing (KT) aims to predict students' responses to practices based on their historical question-answering behaviors. However, most current KT methods focus on improving overall AUC, leaving ample room for optimization in modeling…

人工智能 · 计算机科学 2023-09-06 Moyu Zhang , Xinning Zhu , Chunhong Zhang , Feng Pan , Wenchen Qian , Hui Zhao

Learning universal time series representations applicable to various types of downstream tasks is challenging but valuable in real applications. Recently, researchers have attempted to leverage the success of self-supervised contrastive…

机器学习 · 计算机科学 2023-12-27 Jiexi Liu , Songcan Chen

A growing number of universities worldwide use various forms of online and blended learning as part of their academic curricula. Furthermore, the recent changes caused by the COVID-19 pandemic have led to a drastic increase in importance…

机器学习 · 计算机科学 2022-09-05 Galina Deeva , Johannes De Smedt , Cecilia Saint-Pierre , Richard Weber , Jochen De Weerdt

We propose $\textbf{MGCL}$, a model-driven graph contrastive learning (GCL) framework that leverages graphons (probabilistic generative models for graphs) to guide contrastive learning by accounting for the data's underlying generative…

机器学习 · 计算机科学 2025-06-09 Ali Azizpour , Nicolas Zilberstein , Santiago Segarra

The proliferation of end devices has led to a distributed computing paradigm, wherein on-device machine learning models continuously process diverse data generated by these devices. The dynamic nature of this data, characterized by…

机器学习 · 计算机科学 2025-05-02 Zhengyi Zhong , Weidong Bao , Ji Wang , Jianguo Chen , Lingjuan Lyu , Wei Yang Bryan Lim

Self-supervised depth estimation has gained significant attention in autonomous driving and robotics. However, existing methods exhibit substantial performance degradation under adverse weather conditions such as rain and fog, where reduced…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Jing Cao , Kui Jiang , Shenyi Li , Xiaocheng Feng , Yong Huang

Internet of Things (IoT) deployments operate in nonstationary, dynamic environments where factors such as sensor drift, evolving user behavior, and heterogeneous user privacy requirements can affect application utility. Continual learning…

机器学习 · 计算机科学 2026-02-05 Ajesh Koyatan Chathoth

Contrastive learning has shown to be effective to learn representations from time series in a self-supervised way. However, contrasting similar time series instances or values from adjacent timestamps within a time series leads to ignore…

机器学习 · 计算机科学 2026-01-15 Seunghan Lee , Taeyoung Park , Kibok Lee

Human attribute analysis is a challenging task in the field of computer vision, since the data is largely imbalance-distributed. Common techniques such as re-sampling and cost-sensitive learning require prior-knowledge to train the system.…

计算机视觉与模式识别 · 计算机科学 2019-08-16 Yiru Wang , Weihao Gan , Jie Yang , Wei Wu , Junjie Yan

Continual Learning has been challenging, especially when dealing with unsupervised scenarios such as Unsupervised Online General Continual Learning (UOGCL), where the learning agent has no prior knowledge of class boundaries or task change…

机器学习 · 计算机科学 2023-09-14 Nicolas Michel , Romain Negrel , Giovanni Chierchia , Jean-François Bercher

Emotion recognition in conversations (ERC) is a rapidly evolving task within the natural language processing community, which aims to detect the emotions expressed by speakers during a conversation. Recently, a growing number of ERC methods…

计算与语言 · 计算机科学 2023-12-12 Tao Shi , Xiao Liang , Yaoyuan Liang , Xinyi Tong , Shao-Lun Huang

Self-supervised learning (SSL) has gained remarkable success, for which contrastive learning (CL) plays a key role. However, the recent development of new non-CL frameworks has achieved comparable or better performance with high improvement…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Thanh Nguyen , Trung Pham , Chaoning Zhang , Tung Luu , Thang Vu , Chang D. Yoo

Personalized search plays a crucial role in improving user search experience owing to its ability to build user profiles based on historical behaviors. Previous studies have made great progress in extracting personal signals from the query…

信息检索 · 计算机科学 2021-11-25 Yujia Zhou , Zhicheng Dou , Yutao Zhu , Ji-Rong Wen

Multi-modal contrastive learning (MMCL) has recently garnered considerable interest due to its superior performance in visual tasks, achieved by embedding multi-modal data, such as visual-language pairs. However, there still lack…

计算机视觉与模式识别 · 计算机科学 2023-06-08 Qi Zhang , Yifei Wang , Yisen Wang

The advancement of knowledge distillation has played a crucial role in enabling the transfer of knowledge from larger teacher models to smaller and more efficient student models, and is particularly beneficial for online and…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Wanli Ma , Oktay Karakus , Paul L. Rosin

With the rapid development in online education, knowledge tracing (KT) has become a fundamental problem which traces students' knowledge status and predicts their performance on new questions. Questions are often numerous in online…

人工智能 · 计算机科学 2020-09-15 Yang Yang , Jian Shen , Yanru Qu , Yunfei Liu , Kerong Wang , Yaoming Zhu , Weinan Zhang , Yong Yu

Recently, contrastive self-supervised learning has become a key component for learning visual representations across many computer vision tasks and benchmarks. However, contrastive learning in the context of domain adaptation remains…

计算机视觉与模式识别 · 计算机科学 2021-06-25 Mamatha Thota , Georgios Leontidis
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