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Forecasting human trajectories is critical for tasks such as robot crowd navigation and autonomous driving. Modeling social interactions is of great importance for accurate group-wise motion prediction. However, most existing methods do not…

计算机视觉与模式识别 · 计算机科学 2020-05-06 Yuying Chen , Congcong Liu , Bertram Shi , Ming Liu

Due to the complex and changing interactions in dynamic scenarios, motion forecasting is a challenging problem in autonomous driving. Most existing works exploit static road graphs to characterize scenarios and are limited in modeling…

人工智能 · 计算机科学 2023-03-09 Xing Gao , Xiaogang Jia , Yikang Li , Hongkai Xiong

This paper proposes Differential-Critic Generative Adversarial Network (DiCGAN) to learn the distribution of user-desired data when only partial instead of the entire dataset possesses the desired property. DiCGAN generates desired data…

机器学习 · 计算机科学 2023-04-18 Yinghua Yao , Yuangang Pan , Ivor W. Tsang , Xin Yao

Information propagation on social networks could be modeled as cascades, and many efforts have been made to predict the future popularity of cascades. However, most of the existing research treats a cascade as an individual sequence.…

社会与信息网络 · 计算机科学 2023-06-07 Xiaodong Lu , Shuo Ji , Le Yu , Leilei Sun , Bowen Du , Tongyu Zhu

Graph Convolutional Network (GCN) has achieved extraordinary success in learning effective task-specific representations of nodes in graphs. However, regarding Heterogeneous Information Network (HIN), existing HIN-oriented GCN methods still…

机器学习 · 计算机科学 2021-09-09 Yaming Yang , Ziyu Guan , Jianxin Li , Wei Zhao , Jiangtao Cui , Quan Wang

Heterogeneous data are commonly adopted as the inputs for some models that predict the future trends of some observations. Existing predictive models typically ignore the inconsistencies and imperfections in heterogeneous data while also…

机器学习 · 计算机科学 2022-05-10 Zhengjing Ma , Gang Mei , Salvatore Cuomo , Francesco Piccialli

Reorganizing implicit feedback of users as a user-item interaction graph facilitates the applications of graph convolutional networks (GCNs) in recommendation tasks. In the interaction graph, edges between user and item nodes function as…

信息检索 · 计算机科学 2021-11-04 Wei Yinwei , Wang Xiang , Nie Liqiang , He Xiangnan , Chua Tat-Seng

Dynamic models and statistical inference for the diffusion of information in social networks is an area which has witnessed remarkable progress in the last decade due to the proliferation of social networks. Modeling and inference of…

社会与信息网络 · 计算机科学 2018-12-18 Vikram Krishnamurthy , Buddhika Nettasinghe

Graph convolutional networks (GCNs) based methods have achieved advanced performance on skeleton-based action recognition task. However, the skeleton graph cannot fully represent the motion information contained in skeleton data. In…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Jinfeng Wei , Yunxin Wang , Mengli Guo , Pei Lv , Xiaoshan Yang , Mingliang Xu

Multi-view data containing complementary and consensus information can facilitate representation learning by exploiting the intact integration of multi-view features. Because most objects in real world often have underlying connections,…

机器学习 · 计算机科学 2023-08-15 Zhaoliang Chen , Lele Fu , Shunxin Xiao , Shiping Wang , Claudia Plant , Wenzhong Guo

Recent research on deep graph learning has shifted from static to dynamic graphs, motivated by the evolving behaviors observed in complex real-world systems. However, the temporal extension in dynamic graphs poses significant data…

机器学习 · 计算机科学 2025-06-17 Dong Chen , Shuai Zheng , Yeyu Yan , Muhao Xu , Zhenfeng Zhu , Yao Zhao , Kunlun He

Passenger behavior prediction aims to track passenger travel patterns through historical boarding and alighting data, enabling the analysis of urban station passenger flow and timely risk management. This is crucial for smart city…

机器学习 · 计算机科学 2024-08-20 Mingxuan Xie , Tao Zou , Junchen Ye , Bowen Du , Runhe Huang

Pedestrian trajectory prediction is a critical yet challenging task, especially for crowded scenes. We suggest that introducing an attention mechanism to infer the importance of different neighbors is critical for accurate trajectory…

计算机视觉与模式识别 · 计算机科学 2021-01-15 Congcong Liu , Yuying Chen , Ming Liu , Bertram E. Shi

Graph Neural Networks (GNNs) have become powerful tools in modeling graph-structured data in recommender systems. However, real-life recommendation scenarios usually involve heterogeneous relationships (e.g., social-aware user influence,…

信息检索 · 计算机科学 2023-03-03 Mengru Chen , Chao Huang , Lianghao Xia , Wei Wei , Yong Xu , Ronghua Luo

We consider the problem of learning efficient and inductive graph convolutional networks for text classification with a large number of examples and features. Existing state-of-the-art graph embedding based methods such as predictive text…

计算与语言 · 计算机科学 2020-09-01 Rahul Ragesh , Sundararajan Sellamanickam , Arun Iyer , Ram Bairi , Vijay Lingam

Social networks have emerged as a critical factor in information dissemination, search, marketing, expertise and influence discovery, and potentially an important tool for mobilizing people. Social media has made social networks ubiquitous,…

社会与信息网络 · 计算机科学 2013-08-14 Kristina Lerman , Rumi Ghosh , Tawan Surachawala

Graph Convolutional Networks (GCNs) have been widely used due to their outstanding performance in processing graph-structured data. However, the undirected graphs limit their application scope. In this paper, we extend spectral-based graph…

机器学习 · 计算机科学 2020-04-30 Zekun Tong , Yuxuan Liang , Changsheng Sun , David S. Rosenblum , Andrew Lim

Recent works attempt to extend Graph Convolution Networks (GCNs) to point clouds for classification and segmentation tasks. These works tend to sample and group points to create smaller point sets locally and mainly focus on extracting…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Jincen Jiang , Lizhi Zhao , Xuequan Lu , Wei Hu , Imran Razzak , Meili Wang

Interactive news recommendation has been launched and attracted much attention recently. In this scenario, user's behavior evolves from single click behavior to multiple behaviors including like, comment, share etc. However, most of the…

信息检索 · 计算机科学 2021-05-21 Mingyuan Ma , Sen Na , Hongyu Wang , Congzhou Chen , Jin Xu

Heterogeneous Graph Neural Networks (HGNNs) are powerful tools for deep learning on heterogeneous graphs. Typical HGNNs require repetitive message passing during training, limiting efficiency for large-scale real-world graphs. Recent…

机器学习 · 计算机科学 2024-09-04 Jun Hu , Bryan Hooi , Bingsheng He