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相关论文: Counterfactual Graph Transformer for Traffic Flow …

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Traffic forecasting is essential to intelligent transportation systems, which is challenging due to the complicated spatial and temporal dependencies within a road network. Existing works usually learn spatial and temporal dependencies…

机器学习 · 计算机科学 2023-07-04 Binqing Wu , Ling Chen

Traffic forecasting is important in intelligent transportation systems of webs and beneficial to traffic safety, yet is very challenging because of the complex and dynamic spatio-temporal dependencies in real-world traffic systems. Prior…

机器学习 · 计算机科学 2021-12-07 Yuchen Fang , Yanjun Qin , Haiyong Luo , Fang Zhao , Liang Zeng , Bo Hui , Chenxing Wang

Graph Transformers (GTs) have shown advantages in numerous graph structure tasks but their self-attention mechanism ignores the generalization bias of graphs, with existing methods mainly compensating for this bias from aspects like…

机器学习 · 计算机科学 2025-04-29 Yonghui Zhai , Yang Zhang , Minghao Shang , Lihua Pang , Yaxin Ren

Accurately predicting smartphone app usage is challenging due to the sparsity and irregularity of user behavior, especially under cold-start and low-activity conditions. Existing approaches mostly rely on static or attention-only…

机器学习 · 计算机科学 2025-09-30 Longlong Li , Cunquan Qu , Guanghui Wang

This study presents a novel framework for counterfactual user behavior forecasting that combines structural causal models with transformer-based generative artificial intelligence. To model fictitious situations, the method creates causal…

机器学习 · 计算机科学 2025-11-12 Dharmateja Priyadarshi Uddandarao , Ravi Kiran Vadlamani

Deep generative models for graphs have shown great promise in the area of drug design, but have so far found little application beyond generating graph-structured molecules. In this work, we demonstrate a proof of concept for the…

机器学习 · 计算机科学 2019-11-01 Davide Belli , Thomas Kipf

Accurate traffic flow forecasting is crucial for intelligent transportation services such as navigation and ride-hailing. In such applications, uncertainty estimation in forecasting is important because it helps evaluate traffic risk…

机器学习 · 计算机科学 2025-12-29 Haochen Lv , Yan Lin , Shengnan Guo , Xiaowei Mao , Hong Nie , Letian Gong , Youfang Lin , Huaiyu Wan

Notably, current intelligent transportation systems rely heavily on accurate traffic forecasting and swift inference provision to make timely decisions. While Graph Convolutional Networks (GCNs) have shown benefits in modeling complex…

机器学习 · 计算机科学 2025-08-12 Zhaoyan Wang , Xiangchi Song , In-Young Ko

With the progress of the urbanisation process, the urban transportation system is extremely critical to the development of cities and the quality of life of the citizens. Among them, it is one of the most important tasks to judge traffic…

机器学习 · 计算机科学 2023-08-17 Bodong Zhou , Jiahui Liu , Songyi Cui , Yaping Zhao

Accurate acquisition of crowd flow at Points of Interest (POIs) is pivotal for effective traffic management, public service, and urban planning. Despite this importance, due to the limitations of urban sensing techniques, the data quality…

机器学习 · 计算机科学 2023-09-13 Songyu Ke , Ting Li , Li Song , Yanping Sun , Qintian Sun , Junbo Zhang , Yu Zheng

Accurate real-time traffic forecasting is a core technological problem against the implementation of the intelligent transportation system. However, it remains challenging considering the complex spatial and temporal dependencies among…

机器学习 · 计算机科学 2020-06-23 Jiawei Zhu , Yujiao Song , Ling Zhao , Haifeng Li

Estimating three-dimensional conformations of a molecular graph allows insight into the molecule's biological and chemical functions. Fast generation of valid conformations is thus central to molecular modeling. Recent advances in…

机器学习 · 计算机科学 2025-02-18 Sohil Atul Shah , Vladlen Koltun

Traffic flow forecasting is challenging due to the intricate spatio-temporal correlations in traffic flow data. Existing Transformer-based methods usually treat traffic flow forecasting as multivariate time series (MTS) forecasting.…

机器学习 · 计算机科学 2023-03-15 Junhao Zhang , Junjie Tang , Juncheng Jin , Zehui Qu

The interest in developing smart cities has increased dramatically in recent years. In this context an intelligent transportation system depicts a major topic. The forecast of traffic flow is indispensable for an efficient intelligent…

机器学习 · 计算机科学 2020-06-09 Ralf Rüther , Andreas Klos , Marius Rosenbaum , Wolfram Schiffmann

Temporal knowledge graphs (TKGs) inherently reflect the transient nature of real-world knowledge, as opposed to static knowledge graphs. Naturally, automatic TKG completion has drawn much research interests for a more realistic modeling of…

机器学习 · 计算机科学 2020-12-22 Jaehun Jung , Jinhong Jung , U Kang

Traffic forecasting has emerged as a core component of intelligent transportation systems. However, timely accurate traffic forecasting, especially long-term forecasting, still remains an open challenge due to the highly nonlinear and…

信号处理 · 电气工程与系统科学 2021-03-30 Mingxing Xu , Wenrui Dai , Chunmiao Liu , Xing Gao , Weiyao Lin , Guo-Jun Qi , Hongkai Xiong

Accurate traffic forecasting, the foundation of intelligent transportation systems (ITS), has never been more significant than nowadays due to the prosperity of smart cities and urban computing. Recently, Graph Neural Network truly…

机器学习 · 计算机科学 2022-05-18 Jiabin Tang , Tang Qian , Shijing Liu , Shengdong Du , Jie Hu , Tianrui Li

To address the limitations of traffic prediction from location-bound detectors, we present Geographical Cellular Traffic (GCT) flow, a novel data source that leverages the extensive coverage of cellular traffic to capture mobility patterns.…

机器学习 · 计算机科学 2024-01-09 ChungYi Lin , Shen-Lung Tung , Hung-Ting Su , Winston H. Hsu

We propose the Interferometric Graph Transform (IGT), which is a new class of deep unsupervised graph convolutional neural network for building graph representations. Our first contribution is to propose a generic, complex-valued spectral…

机器学习 · 计算机科学 2020-06-11 Edouard Oyallon

Among recent developments in time series forecasting methods, deep forecasting models have gained popularity as they can utilize hidden feature patterns in time series to improve forecasting performance. Nevertheless, the majority of…

机器学习 · 计算机科学 2023-10-13 Zhendong Wang , Ioanna Miliou , Isak Samsten , Panagiotis Papapetrou