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47 results on '"Xu, Xuran"'

5. Spatial-Temporal Tensor Graph Convolutional Network for Traffic Prediction

Author

Xu, Xuran, Zhang, Tong, Xu, Chunyan, Cui, Zhen, and Yang, Jian

Subjects
Computer Science - Machine Learning
Abstract

Accurate traffic prediction is crucial to the guidance and management of urban traffics. However, most of the existing traffic prediction models do not consider the computational burden and memory space when they capture spatial-temporal dependence among traffic data. In this work, we propose a factorized Spatial-Temporal Tensor Graph Convolutional Network to deal with traffic speed prediction. Traffic networks are modeled and unified into a graph that integrates spatial and temporal information simultaneously. We further extend graph convolution into tensor space and propose a tensor graph convolution network to extract more discriminating features from spatial-temporal graph data. To reduce the computational burden, we take Tucker tensor decomposition and derive factorized a tensor convolution, which performs separate filtering in small-scale space, time, and feature modes. Besides, we can benefit from noise suppression of traffic data when discarding those trivial components in the process of tensor decomposition. Extensive experiments on two real-world traffic speed datasets demonstrate our method is more effective than those traditional traffic prediction methods, and meantime achieves state-of-the-art performance.

Published
2021

7. Circulant Tensor Graph Convolutional Network for Text Classification

Author

Xu, Xuran, Zhang, Tong, Xu, Chunyan, Cui, Zhen, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Wallraven, Christian, editor, Liu, Qingshan, editor, and Nagahara, Hajime, editor

Published
2022
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30. Diazotization of o-Aminoamidoximes for the Preparation of Energetic 6,5,6-Fused 1,2,3-Triazine-3-oxides

Author

Zeng, Zhiwei, Chen, Chunhui, Xu, Xuran, Liu, Yuji, Huang, Wei, and Tang, Yongxing

Abstract

Two 6,5,6-fused 1,2,3-triazine-3-oxides (4and 6) were designed and synthesized via the reaction of o-aminoamidoximes with sodium nitrite. In addition, the ring-opening products (5, 7, and 8) derived from 1,2,3-triazine-3-oxides were isolated and characterized. A comprehensive exploration of the reaction mechanism governing the ring-opening process was performed through a combination of theoretical and experimental studies. Notably, compound 4exhibited commendable detonation properties and low sensitivity, demonstrating its promising potential as an energetic material.

Published
2024
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43. Oscillating Magnetic Field Regulates Cell Adherence and Endothelialization Based on Magnetic Nanoparticle-Modified Bacterial Cellulose

Author

Zhang, Lei, primary, Wei, Feng, additional, Bai, Qianqian, additional, Song, Danhong, additional, Zheng, Zhuofan, additional, Wang, Yafei, additional, Liu, Xin, additional, Abdulrahman, AL-Ammari, additional, Bian, Yingxin, additional, Xu, Xuran, additional, Chen, Chuntao, additional, Zhang, Hongsong, additional, and Sun, Dongping, additional

Published
2020
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