activity
20172025
most citedFinding Global Homophily in Graph Neural Networks When Meeting Heterophily

38 citations · 84 across the 18 of their papers we have counts for

collaborators

18 papers

cs.CV2025

VidGuard-R1: AI-Generated Video Detection and Explanation via Reasoning MLLMs and RL

Kyoungjun Park, Yifan Yang, Juheon Yi +6

The rapid proliferation of AI-generated video necessitates robust detection tools that offer both high accuracy and human-interpretable explanations. While existing MLLM-based dete…

cs.LG2025

When Do LLMs Help With Node Classification? A Comprehensive Analysis

Xixi Wu, Yifei Shen, Fangzhou Ge +4

Node classification is a fundamental task in graph analysis, with broad applications across various fields. Recent breakthroughs in Large Language Models (LLMs) have enabled LLM-ba…

cs.LG2024★ 3 cited

Towards Graph Foundation Models: Training on Knowledge Graphs Enables Transferability to General Graphs

Kai Wang, Siqiang Luo, Caihua Shan +1

Inspired by the success of large language models, there is a trend toward developing graph foundation models to conduct diverse downstream tasks in various domains. However, curren…

cs.CL2024

Revisiting the Graph Reasoning Ability of Large Language Models: Case Studies in Translation, Connectivity and Shortest Path

Xinnan Dai, Qihao Wen, Yifei Shen +4

Large Language Models (LLMs) have achieved great success in various reasoning tasks. In this work, we focus on the graph reasoning ability of LLMs. Although theoretical studies pro…

cs.SI2024★ 6 cited

A Survey on Learning from Graphs with Heterophily: Recent Advances and Future Directions

Chenghua Gong, Yao Cheng, Jianxiang Yu +4

Graphs are structured data that models complex relations between real-world entities. Heterophilic graphs, where linked nodes are prone to be with different labels or dissimilar fe…

cs.LG2023★ 2 cited

AdaMedGraph: Adaboosting Graph Neural Networks for Personalized Medicine

Jie Lian, Xufang Luo, Caihua Shan +3

Precision medicine tailored to individual patients has gained significant attention in recent times. Machine learning techniques are now employed to process personalized data from…

cs.LG2023

Prioritized Propagation in Graph Neural Networks

Yao Cheng, Minjie Chen, Xiang Li +2

Graph neural networks (GNNs) have recently received significant attention. Learning node-wise message propagation in GNNs aims to set personalized propagation steps for different n…

cs.LG2023★ 10 cited

Resurrecting Label Propagation for Graphs with Heterophily and Label Noise

Yao Cheng, Caihua Shan, Yifei Shen +3

Label noise is a common challenge in large datasets, as it can significantly degrade the generalization ability of deep neural networks. Most existing studies focus on noisy labels…

cs.DB2023★ 4 cited

Learning to Optimize LSM-trees: Towards A Reinforcement Learning based Key-Value Store for Dynamic Workloads

Dingheng Mo, Fanchao Chen, Siqiang Luo +1

LSM-trees are widely adopted as the storage backend of key-value stores. However, optimizing the system performance under dynamic workloads has not been sufficiently studied or eva…

cs.LG2023

Biological Factor Regulatory Neural Network

Xinnan Dai, Caihua Shan, Jie Zheng +2

Genes are fundamental for analyzing biological systems and many recent works proposed to utilize gene expression for various biological tasks by deep learning models. Despite their…

cs.LG2023★ 3 cited

SeeGera: Self-supervised Semi-implicit Graph Variational Auto-encoders with Masking

Xiang Li, Tiandi Ye, Caihua Shan +2

Generative graph self-supervised learning (SSL) aims to learn node representations by reconstructing the input graph data. However, most existing methods focus on unsupervised lear…

cs.LG2022★ 38 cited

Finding Global Homophily in Graph Neural Networks When Meeting Heterophily

Xiang Li, Renyu Zhu, Yao Cheng +4

We investigate graph neural networks on graphs with heterophily. Some existing methods amplify a node's neighborhood with multi-hop neighbors to include more nodes with homophily.…

cs.CV2021★ 11 cited

Recognizing Vector Graphics without Rasterization

Xinyang Jiang, Lu Liu, Caihua Shan +3

In this paper, we consider a different data format for images: vector graphics. In contrast to raster graphics which are widely used in image recognition, vector graphics can be sc…

cs.IR2021★ 1 cited

How Powerful is Graph Convolution for Recommendation?

Yifei Shen, Yongji Wu, Yao Zhang +4

Graph convolutional networks (GCNs) have recently enabled a popular class of algorithms for collaborative filtering (CF). Nevertheless, the theoretical underpinnings of their empir…

cs.LG2020★ 3 cited

CAST: A Correlation-based Adaptive Spectral Clustering Algorithm on Multi-scale Data

Xiang Li, Ben Kao, Caihua Shan +2

We study the problem of applying spectral clustering to cluster multi-scale data, which is data whose clusters are of various sizes and densities. Traditional spectral clustering t…

cs.DB2019

A General Early-Stopping Module for Crowdsourced Ranking

Caihua Shan, Leong Hou U, Nikos Mamoulis +2

Crowdsourcing can be used to determine a total order for an object set (e.g., the top-10 NBA players) based on crowd opinions. This ranking problem is often decomposed into a set o…

cs.LG2019★ 3 cited

An End-to-End Deep RL Framework for Task Arrangement in Crowdsourcing Platforms

Caihua Shan, Nikos Mamoulis, Reynold Cheng +3

In this paper, we propose a Deep Reinforcement Learning (RL) framework for task arrangement, which is a critical problem for the success of crowdsourcing platforms. Previous works…

cs.DB2017

T-Crowd: Effective Crowdsourcing for Tabular Data

Caihua Shan, Nikos Mamoulis, Guoliang Li +3

Crowdsourcing employs human workers to solve computer-hard problems, such as data cleaning, entity resolution, and sentiment analysis. When crowdsourcing tabular data, e.g., the at…