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Learning representations for graph-structured data is essential for graph analytical tasks. While remarkable progress has been made on static graphs, researches on temporal graphs are still in its beginning stage. The bottleneck of the…

机器学习 · 计算机科学 2023-03-16 Bowen Cao , Qichen Ye , Weiyuan Xu , Yuexian Zou

Purely MLP-based neural radiance fields (NeRF-based methods) often suffer from underfitting with blurred renderings on large-scale scenes due to limited model capacity. Recent approaches propose to geographically divide the scene and adopt…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Linning Xu , Yuanbo Xiangli , Sida Peng , Xingang Pan , Nanxuan Zhao , Christian Theobalt , Bo Dai , Dahua Lin

Recognizing multiple labels of images is a practical and challenging task, and significant progress has been made by searching semantic-aware regions and modeling label dependency. However, current methods cannot locate the semantic regions…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Tianshui Chen , Muxin Xu , Xiaolu Hui , Hefeng Wu , Liang Lin

The explosion of massive urban data recently has provided us with a valuable opportunity to gain deeper insights into urban regions and the daily lives of residents. Urban region representation learning emerges as a crucial realm for…

社会与信息网络 · 计算机科学 2024-07-03 Zhuo Xu , Xiao Zhou

Recent advances in learning multi-modal representation have witnessed the success in biomedical domains. While established techniques enable handling multi-modal information, the challenges are posed when extended to various clinical…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Chenxin Li , Xinyu Liu , Cheng Wang , Yifan Liu , Weihao Yu , Jing Shao , Yixuan Yuan

This work presents a novel approach to tabular data prediction leveraging graph structure learning and graph neural networks. Despite the prevalence of tabular data in real-world applications, traditional deep learning methods often…

机器学习 · 计算机科学 2023-05-26 Jay Chiehen Liao , Cheng-Te Li

Domain generalization on graphs aims to develop models with robust generalization capabilities, ensuring effective performance on the testing set despite disparities between testing and training distributions. However, existing methods…

机器学习 · 计算机科学 2024-11-21 Qin Tian , Chen Zhao , Minglai Shao , Wenjun Wang , Yujie Lin , Dong Li

Real-world multimodal data usually exhibit complex structural relationships beyond traditional one-to-one mappings like image-caption pairs. Entities across modalities interact in intricate ways, with images and text forming diverse…

机器学习 · 计算机科学 2025-10-21 Xuying Ning , Dongqi Fu , Tianxin Wei , Wujiang Xu , Jingrui He

Modeling spatial heterogeneity in the data generation process is essential for understanding and predicting geographical phenomena. Despite their prevalence in geospatial tasks, neural network models usually assume spatial stationarity,…

机器学习 · 计算机科学 2025-10-01 Hao Guo , Han Wang , Di Zhu , Lun Wu , A. Stewart Fotheringham , Yu Liu

Most existing multimodal trackers adopt uniform fusion strategies, overlooking the inherent differences between modalities. Moreover, they propagate temporal information through mixed tokens, leading to entangled and less discriminative…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Shilei Wang , Pujian Lai , Dong Gao , Jifeng Ning , Gong Cheng

The systematic analysis of user-generated social media content, especially when enriched with geospatial context, plays a vital role in domains such as disaster management and public opinion monitoring. Although multimodal approaches have…

社会与信息网络 · 计算机科学 2026-01-21 Ehsaneddin Jalilian , Bernd Resch

Many real-world data can be represented as heterogeneous graphs with different types of nodes and connections. Heterogeneous graph neural network model aims to embed nodes or subgraphs into low-dimensional vector space for various…

人工智能 · 计算机科学 2024-12-24 Xinjun Cai , Jiaxing Shang , Fei Hao , Dajiang Liu , Linjiang Zheng

Given their flexibility and encouraging performance, deep-learning models are becoming standard for motion prediction in autonomous driving. However, with great flexibility comes a lack of interpretability and possible violations of…

机器人学 · 计算机科学 2023-04-25 Theodor Westny , Joel Oskarsson , Björn Olofsson , Erik Frisk

Multimodal pre-training breaks down the modality barriers and allows the individual modalities to be mutually augmented with information, resulting in significant advances in representation learning. However, graph modality, as a very…

多媒体 · 计算机科学 2022-11-01 Xuan Yang , Quanjin Tao , Xiao Feng , Donghong Cai , Xiang Ren , Yang Yang

Graph Representation Learning (GRL) has experienced significant progress as a means to extract structural information in a meaningful way for subsequent learning tasks. Current approaches including shallow embeddings and Graph Neural…

机器学习 · 计算机科学 2020-06-19 Antonia Gogoglou , C. Bayan Bruss , Brian Nguyen , Reza Sarshogh , Keegan E. Hines

Recently, the pretrain-finetuning paradigm has attracted tons of attention in graph learning community due to its power of alleviating the lack of labels problem in many real-world applications. Current studies use existing techniques, such…

机器学习 · 计算机科学 2022-05-11 Jiying Zhang , Xi Xiao , Long-Kai Huang , Yu Rong , Yatao Bian

CDR (Cross-Domain Recommendation), i.e., leveraging information from multiple domains, is a critical solution to data sparsity problem in recommendation system. The majority of previous research either focused on single-target CDR (STCDR)…

信息检索 · 计算机科学 2024-11-27 Xiaopeng Liu , Juan Zhang , Chongqi Ren , Shenghui Xu , Zhaoming Pan , Zhimin Zhang

Accurate traffic prediction is essential for effective urban management and the improvement of transportation efficiency. Recently, data-driven traffic prediction methods have been widely adopted, with better performance than traditional…

机器学习 · 计算机科学 2024-04-02 Kehua Chen , Yuxuan Liang , Jindong Han , Siyuan Feng , Meixin Zhu , Hai Yang

Traffic forecasting is a core element of intelligent traffic monitoring system. Approaches based on graph neural networks have been widely used in this task to effectively capture spatial and temporal dependencies of road networks. However,…

机器学习 · 计算机科学 2022-03-10 Yaobin Xu , Weitang Liu , Zhongyi Jiang , Zixuan Xu , Tingyun Mao , Lili Chen , Mingwei Zhou

Traffic forecasting is essential for the traffic construction of smart cities in the new era. However, traffic data's complex spatial and temporal dependencies make traffic forecasting extremely challenging. Most existing traffic…

机器学习 · 计算机科学 2022-10-03 Wei Zhao , Shiqi Zhang , Bing Zhou , Bei Wang