activity
20232026
most citedA Comprehensive Survey on Imbalanced Data Learning

16 citations · 42 across the 25 of their papers we have counts for

collaborators

26 papers

cs.IR2026

Personalized Communication Skills for Agentic Recommender Systems

Zongwei Wang, Min Gao, Guangyu Hu +2

Agentic recommender systems increasingly employ large language model-based UserAgents to evaluate candidate items through simulated feedback before recommendations are delivered. H…

cs.IR2026

FOSTER: First-order Dataset Distillation for Text-based Sequential Recommendation

Hung Vinh Tran, Tong Chen, Xinyi Gao +3

Text-based sequential recommender systems, while greatly improving recommendation accuracy by incorporating item contexts, are undeniably more expensive to train. By condensing a l…

cs.LG2026

GRAFT: Graph-Tokenized LLMs for Tool Planning

Xinyi Gao, Xinyu Ren, Junliang Yu +3

Large language models (LLMs) are increasingly used to complete complex tasks by selecting and coordinating external tools across multiple steps. This requires aligning tool choices…

cs.LG2026

Efficient Prompt Learning for Traffic Forecasting

Qianru Zhang, Xinyi Gao, Alexander Zhou +3

Accurate traffic prediction is essential for optimizing transportation systems, enhancing resource allocation, and improving overall urban administration. Spatio-temporal graph neu…

cs.IR2026

Evolutionary Router Feature Generation for Zero-Shot Graph Anomaly Detection with Mixture-of-Experts

Haiyang Jiang, Tong Chen, Xinyi Gao +3

Zero-shot graph anomaly detection (GAD) has attracted increasing attention recent years, yet the heterogeneity of graph structures, features, and anomaly patterns across graphs mak…

cs.DB2025

Relational Database Distillation: From Structured Tables to Condensed Graph Data

Xinyi Gao, Jingxi Zhang, Lijian Chen +3

Relational databases (RDBs) underpin the majority of global data management systems, where information is structured into multiple interdependent tables. To effectively use the kno…

cs.LG2025

Norm Augmented Graph AutoEncoders for Link Prediction

Yunhui Liu, Huaisong Zhang, Xinyi Gao +3

Link Prediction (LP) is a crucial problem in graph-structured data. Graph Neural Networks (GNNs) have gained prominence in LP, with Graph AutoEncoders (GAEs) being a notable repres…

cs.LG2025★ 16 cited

A Comprehensive Survey on Imbalanced Data Learning

Xinyi Gao, Dongting Xie, Yihang Zhang +5

With the expansion of data availability, machine learning (ML) has achieved remarkable breakthroughs in both academia and industry. However, imbalanced data distributions are preva…

cs.LG2025

Efficient Traffic Prediction Through Spatio-Temporal Distillation

Qianru Zhang, Xinyi Gao, Haixin Wang +2

Graph neural networks (GNNs) have gained considerable attention in recent years for traffic flow prediction due to their ability to learn spatio-temporal pattern representations th…

cs.LG2024

FedVCK: Non-IID Robust and Communication-Efficient Federated Learning via Valuable Condensed Knowledge for Medical Image Analysis

Guochen Yan, Luyuan Xie, Xinyi Gao +4

Federated learning has become a promising solution for collaboration among medical institutions. However, data owned by each institution would be highly heterogeneous and the distr…

cs.LG2024

Training-free Heterogeneous Graph Condensation via Data Selection

Yuxuan Liang, Wentao Zhang, Xinyi Gao +5

Efficient training of large-scale heterogeneous graphs is of paramount importance in real-world applications. However, existing approaches typically explore simplified models to mi…

cs.LG2024

Contrastive Graph Condensation: Advancing Data Versatility through Self-Supervised Learning

Xinyi Gao, Yayong Li, Tong Chen +3

With the increasing computation of training graph neural networks (GNNs) on large-scale graphs, graph condensation (GC) has emerged as a promising solution to synthesize a compact,…

cs.LG2024

Teaching MLPs to Master Heterogeneous Graph-Structured Knowledge for Efficient and Accurate Inference

Yunhui Liu, Xinyi Gao, Tieke He +2

Heterogeneous Graph Neural Networks (HGNNs) have achieved promising results in various heterogeneous graph learning tasks, owing to their superiority in capturing the intricate rel…

cs.SI2024★ 1 cited

Epidemiology-informed Network for Robust Rumor Detection

Wei Jiang, Tong Chen, Xinyi Gao +3

The rapid spread of rumors on social media has posed significant challenges to maintaining public trust and information integrity. Since an information cascade process is essential…

cs.LG2024

HGAurban: Heterogeneous Graph Autoencoding for Urban Spatial-Temporal Learning

Qianru Zhang, Xinyi Gao, Haixin Wang +3

Spatial-temporal graph representations play a crucial role in urban sensing applications, including traffic analysis, human mobility behavior modeling, and citywide crime predictio…

cs.IR2024

ID-Free Not Risk-Free: LLM-Powered Agents Unveil Risks in ID-Free Recommender Systems

Zongwei Wang, Min Gao, Junliang Yu +4

Recent advances in ID-free recommender systems have attracted significant attention for effectively addressing the cold start problem. However, their vulnerability to malicious att…

cs.LG2024★ 14 cited

Reliable Node Similarity Matrix Guided Contrastive Graph Clustering

Yunhui Liu, Xinyi Gao, Tieke He +3

Graph clustering, which involves the partitioning of nodes within a graph into disjoint clusters, holds significant importance for numerous subsequent applications. Recently, contr…

cs.LG2024

Graph Condensation for Open-World Graph Learning

Xinyi Gao, Tong Chen, Wentao Zhang +3

The burgeoning volume of graph data presents significant computational challenges in training graph neural networks (GNNs), critically impeding their efficiency in various applicat…

cs.LG2024

RobGC: Towards Robust Graph Condensation

Xinyi Gao, Hongzhi Yin, Tong Chen +3

Graph neural networks (GNNs) have attracted widespread attention for their impressive capability of graph representation learning. However, the increasing prevalence of large-scale…

cs.LG2024

Acceleration Algorithms in GNNs: A Survey

Lu Ma, Zeang Sheng, Xunkai Li +5

Graph Neural Networks (GNNs) have demonstrated effectiveness in various graph-based tasks. However, their inefficiency in training and inference presents challenges for scaling up…

cs.LG2024

Rethinking and Accelerating Graph Condensation: A Training-Free Approach with Class Partition

Xinyi Gao, Guanhua Ye, Tong Chen +3

The increasing prevalence of large-scale graphs poses a significant challenge for graph neural network training, attributed to their substantial computational requirements. In resp…

cs.IR2024★ 1 cited

Challenging Low Homophily in Social Recommendation

Wei Jiang, Xinyi Gao, Guandong Xu +2

Social relations are leveraged to tackle the sparsity issue of user-item interaction data in recommendation under the assumption of social homophily. However, social recommendation…

cs.LG2024★ 6 cited

Graph Condensation: A Survey

Xinyi Gao, Junliang Yu, Tong Chen +3

The rapid growth of graph data poses significant challenges in storage, transmission, and particularly the training of graph neural networks (GNNs). To address these challenges, gr…

cs.LG2023★ 1 cited

Accelerating Scalable Graph Neural Network Inference with Node-Adaptive Propagation

Xinyi Gao, Wentao Zhang, Junliang Yu +4

Graph neural networks (GNNs) have exhibited exceptional efficacy in a diverse array of applications. However, the sheer size of large-scale graphs presents a significant challenge…