activity
20132026
most citedFinding Global Homophily in Graph Neural Networks When Meeting Heterophily

38 citations · 163 across the 25 of their papers we have counts for

collaborators

25 papers

cs.DB2026

RadixGraph: A Fast, Space-Optimized Data Structure for Dynamic Graph Storage (Extended Version)

Haoxuan Xie, Junfeng Liu, Siqiang Luo +1

Dynamic graphs model many real-world applications, and as their sizes grow, efficiently storing and updating them becomes critical. We present RadixGraph, a fast and memory-efficie…

cs.CV2025

When Deepfake Detection Meets Graph Neural Network:a Unified and Lightweight Learning Framework

Haoyu Liu, Chaoyu Gong, Mengke He +3

The proliferation of generative video models has made detecting AI-generated and manipulated videos an urgent challenge. Existing detection approaches often fail to generalize acro…

cs.DB2025

[Extended Version] ArceKV: Towards Workload-driven LSM-compactions for Key-Value Store Under Dynamic Workloads

Junfeng Liu, Haoxuan Xie, Siqiang Luo

Key-value stores underpin a wide range of applications due to their simplicity and efficiency. Log-Structured Merge Trees (LSM-trees) dominate as their underlying structure, excell…

cs.DB2025

How to Grow an LSM-tree? Towards Bridging the Gap Between Theory and Practice

Dingheng Mo, Siqiang Luo, Stratos Idreos

LSM-tree based key-value stores are widely adopted as the data storage backend in modern big data applications. The LSM-tree grows with data ingestion, by either adding levels with…

cs.SI2025

Finding Near-Optimal Maximum Set of Disjoint -Cliques in Real-World Social Networks

Wenqing Lin, Xin Chen, Haoxuan Xie +2

A -clique is a dense graph, consisting of fully-connected nodes, that finds numerous applications, such as community detection and network analysis. In this paper, we study…

cs.DB2025

Aster: Enhancing LSM-structures for Scalable Graph Database

Dingheng Mo, Junfeng Liu, Fan Wang +1

There is a proliferation of applications requiring the management of large-scale, evolving graphs under workloads with intensive graph updates and lookups. Driven by this challenge…

cs.DB2025★ 1 cited

Are Joins over LSM-Trees Ready? Take RocksDB as an Example

Weiping Yu, Fan Wang, Xuwei Zhang +1

LSM-tree-based data stores are widely adopted in industries for their excellent performance. As data scales increase, disk-based join operations become indispensable yet costly for…

cs.LG2024

DHIL-GT: Scalable Graph Transformer with Decoupled Hierarchy Labeling

Ningyi Liao, Zihao Yu, Siqiang Luo

Graph Transformer (GT) has recently emerged as a promising neural network architecture for learning graph-structured data. However, its global attention mechanism with quadratic co…

cs.DB2024★ 1 cited

CAMAL: Optimizing LSM-trees via Active Learning

Weiping Yu, Siqiang Luo, Zihao Yu +1

We use machine learning to optimize LSM-tree structure, aiming to reduce the cost of processing various read/write operations. We introduce a new approach Camal, which boasts the f…

cs.LG2024★ 4 cited

A Comprehensive Benchmark on Spectral GNNs: The Impact on Efficiency, Memory, and Effectiveness

Ningyi Liao, Haoyu Liu, Zulun Zhu +2

With recent advancements in graph neural networks (GNNs), spectral GNNs have received increasing popularity by virtue of their ability to retrieve graph signals in the spectral dom…

cs.AI2024★ 1 cited

LLM as Prompter: Low-resource Inductive Reasoning on Arbitrary Knowledge Graphs

Kai Wang, Yuwei Xu, Zhiyong Wu +1

Knowledge Graph (KG) inductive reasoning, which aims to infer missing facts from new KGs that are not seen during training, has been widely adopted in various applications. One cri…

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.AI2023

River of No Return: Graph Percolation Embeddings for Efficient Knowledge Graph Reasoning

Kai Wang, Siqiang Luo, Dan Lin

We study Graph Neural Networks (GNNs)-based embedding techniques for knowledge graph (KG) reasoning. For the first time, we link the path redundancy issue in the state-of-the-art K…

cs.LG2023★ 3 cited

SIGMA: An Efficient Heterophilous Graph Neural Network with Fast Global Aggregation

Haoyu Liu, Ningyi Liao, Siqiang Luo

Graph neural networks (GNNs) realize great success in graph learning but suffer from performance loss when meeting heterophily, i.e. neighboring nodes are dissimilar, due to their…

cs.DC2023

Massively Parallel Single-Source SimRanks in Rounds

Siqiang Luo, Zulun Zhu

SimRank is one of the most fundamental measures that evaluate the structural similarity between two nodes in a graph and has been applied in a plethora of data management tasks. Th…

cs.DB2023

Less is More: Towards Lightweight Cost Estimator for Database Systems

Weiping Yu, Siqiang Luo

We present FasCo, a simple yet effective learning-based estimator for the cost of executing a database query plan. FasCo uses significantly shorter training time and a lower infere…

cs.DC2023★ 3 cited

Distributed Graph Embedding with Information-Oriented Random Walks

Peng Fang, Arijit Khan, Siqiang Luo +5

Graph embedding maps graph nodes to low-dimensional vectors, and is widely adopted in machine learning tasks. The increasing availability of billion-edge graphs underscores the imp…

cs.LG2022★ 19 cited

SCARA: Scalable Graph Neural Networks with Feature-Oriented Optimization

Ningyi Liao, Dingheng Mo, Siqiang Luo +2

Recent advances in data processing have stimulated the demand for learning graphs of very large scales. Graph Neural Networks (GNNs), being an emerging and powerful approach in sol…

cs.DB2022★ 31 cited

Proteus: A Self-Designing Range Filter

Eric R. Knorr, Baptiste Lemaire, Andrew Lim +4

We introduce Proteus, a novel self-designing approximate range filter, which configures itself based on sampled data in order to optimize its false positive rate (FPR) for a given…

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.LG2022★ 7 cited

Spiking Graph Convolutional Networks

Zulun Zhu, Jiaying Peng, Jintang Li +3

Graph Convolutional Networks (GCNs) achieve an impressive performance due to the remarkable representation ability in learning the graph information. However, GCNs, when implemente…

cs.SI2022★ 26 cited

DMCS : Density Modularity based Community Search

Junghoon Kim, Siqiang Luo, Gao Cong +1

Community Search, or finding a connected subgraph (known as a community) containing the given query nodes in a social network, is a fundamental problem. Most of the existing commun…

math.CO2022★ 3 cited

A Survey on Machine Learning Solutions for Graph Pattern Extraction

Kai Siong Yow, Ningyi Liao, Siqiang Luo +3

A subgraph is constructed by using a subset of vertices and edges of a given graph. There exist many graph properties that are hereditary for subgraphs. Hence, researchers from dif…