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Data augmentation is a widely used technique and an essential ingredient in the recent advance in self-supervised representation learning. By preserving the similarity between augmented data, the resulting data representation can improve…

Machine Learning · Statistics 2025-01-16 Shulei Wang

The goal of this work is to provide a viable solution based on reinforcement learning for traffic signal control problems. Although the state-of-the-art reinforcement learning approaches have yielded great success in a variety of domains,…

Machine Learning · Computer Science 2020-05-20 Yueh-Hua Wu , I-Hau Yeh , David Hu , Hong-Yuan Mark Liao

Essay writing is a critical component of student assessment, yet manual scoring is labor-intensive and inconsistent. Automated Essay Scoring (AES) offers a promising alternative, but current approaches face limitations. Recent studies have…

Computation and Language · Computer Science 2025-09-03 Hind Aljuaid , Areej Alhothali , Ohoud Al-Zamzami , Hussein Assalahi

Unsupervised Contrastive learning has gained prominence in fields such as vision, and biology, leveraging predefined positive/negative samples for representation learning. Data augmentation, categorized into hand-designed and model-based…

Machine Learning · Computer Science 2024-05-28 Zelin Zang , Hao Luo , Kai Wang , Panpan Zhang , Fan Wang , Stan. Z Li , Yang You

We propose an approach to self-supervised representation learning based on maximizing mutual information between features extracted from multiple views of a shared context. For example, one could produce multiple views of a local…

Machine Learning · Computer Science 2019-07-09 Philip Bachman , R Devon Hjelm , William Buchwalter

Manually specifying features that capture the diversity in traffic environments is impractical. Consequently, learning-based agents cannot realize their full potential as neural motion planners for autonomous vehicles. Instead, this work…

Machine Learning · Computer Science 2023-03-09 Eivind Meyer , Lars Frederik Peiss , Matthias Althoff

Large language model (LLM)-based agents have demonstrated strong capabilities in complex reasoning and problem solving through multi-step interactions, yet most deployed agents remain behaviorally static, with knowledge acquired during…

Artificial Intelligence · Computer Science 2026-05-19 Yuxin Jin , Siyuan Zhang , Hanchen Wang , Lu Qin , Ying Zhang , Wenjie Zhang

The learning of Transformation-Equivariant Representations (TERs), which is introduced by Hinton et al. \cite{hinton2011transforming}, has been considered as a principle to reveal visual structures under various transformations. It contains…

Computer Vision and Pattern Recognition · Computer Science 2019-07-24 Guo-Jun Qi , Liheng Zhang , Chang Wen Chen , Qi Tian

Knowledge-enhanced pre-trained models for language representation have been shown to be more effective in knowledge base construction tasks (i.e.,~relation extraction) than language models such as BERT. These knowledge-enhanced language…

Computation and Language · Computer Science 2022-10-25 Jiacheng Li , Yannis Katsis , Tyler Baldwin , Ho-Cheol Kim , Andrew Bartko , Julian McAuley , Chun-Nan Hsu

We introduce InstaAug, a method for automatically learning input-specific augmentations from data. Previous methods for learning augmentations have typically assumed independence between the original input and the transformation applied to…

Machine Learning · Computer Science 2023-05-31 Ning Miao , Tom Rainforth , Emile Mathieu , Yann Dubois , Yee Whye Teh , Adam Foster , Hyunjik Kim

Graph Contrastive Learning frameworks have demonstrated success in generating high-quality node representations. The existing research on efficient data augmentation methods and ideal pretext tasks for graph contrastive learning remains…

Machine Learning · Computer Science 2024-10-22 Zhenyu Lin , Hongzheng Li , Yingxia Shao , Guanhua Ye , Yawen Li , Quanqing Xu

Reinforcement learning has been revolutionizing the traditional traffic signal control task, showing promising power to relieve congestion and improve efficiency. However, the existing methods lack effective learning mechanisms capable of…

Multiagent Systems · Computer Science 2023-12-25 Jiaming Lu , Jingqing Ruan , Haoyuan Jiang , Ziyue Li , Hangyu Mao , Rui Zhao

Graph Augmentation Learning (GAL) provides outstanding solutions for graph learning in handling incomplete data, noise data, etc. Numerous GAL methods have been proposed for graph-based applications such as social network analysis and…

Machine Learning · Computer Science 2022-03-18 Shuo Yu , Huafei Huang , Minh N. Dao , Feng Xia

Traffic accident anticipation aims to accurately and promptly predict the occurrence of a future accident from dashcam videos, which is vital for a safety-guaranteed self-driving system. To encourage an early and accurate decision, existing…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Wentao Bao , Qi Yu , Yu Kong

Table Structure Recognition is an essential part of end-to-end tabular data extraction in document images. The recent success of deep learning model architectures in computer vision remains to be non-reflective in table structure…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Umar Khan , Sohaib Zahid , Muhammad Asad Ali , Adnan ul Hassan , Faisal Shafait

This work focuses on enhancing the generalization performance of deep reinforcement learning-based robot navigation in unseen environments. We present a novel data augmentation approach called scenario augmentation, which enables robots to…

Robotics · Computer Science 2025-03-04 Shanze Wang , Mingao Tan , Zhibo Yang , Xianghui Wang , Xiaoyu Shen , Hailong Huang , Wei Zhang

Dynamic graph representation learning has emerged as a crucial research area, driven by the growing need for analyzing time-evolving graph data in real-world applications. While recent approaches leveraging recurrent neural networks (RNNs)…

Machine Learning · Computer Science 2024-10-28 Shengxiang Hu , Guobing Zou , Song Yang , Shiyi Lin , Yanglan Gan , Bofeng Zhang

Learning node representations on temporal graphs is a fundamental step to learn real-word dynamic graphs efficiently. Real-world graphs have the nature of continuously evolving over time, such as changing edges weights, removing and adding…

Machine Learning · Computer Science 2021-06-23 Ahmad Hafez , Atulya Praphul , Yousef Jaradt , Ezani Godwin

The diversity, quantity, and quality of manipulation data are critical for training effective robot policies. However, due to hardware and physical setup constraints, collecting large-scale real-world manipulation data remains difficult to…

Computer Vision and Pattern Recognition · Computer Science 2026-01-09 Boyang Wang , Haoran Zhang , Shujie Zhang , Jinkun Hao , Mingda Jia , Qi Lv , Yucheng Mao , Zhaoyang Lyu , Jia Zeng , Xudong Xu , Jiangmiao Pang

The goal of imitation learning is to mimic expert behavior without access to an explicit reward signal. Expert demonstrations provided by humans, however, often show significant variability due to latent factors that are typically not…

Machine Learning · Computer Science 2017-11-16 Yunzhu Li , Jiaming Song , Stefano Ermon