Leong Hou U

Macau University of Science and Technology — MO

Computer Science · Physical Sciences

23h-index1.5kcitations145works2.32yr avg
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Research Topics

Data Management and Algorithms(51), Advanced Image and Video Retrieval Techniques(13), Advanced Graph Neural Networks(13), Human Mobility and Location-Based Analysis(13), Advanced Database Systems and Queries(11)

Publications145 total

Moon: A Modality Conversion-Based Efficient Multivariate Time Series Anomaly Detection
IEEE Transactions on Knowledge and Data Engineering·2025
Hierarchical Frequency-Decomposition Graph Neural Networks for Road Network Representation Learning
arXiv (Cornell University)·2025Open Access
Connectivity-Guided Sparsification of 2-FWL GNNs: Preserving Full Expressivity with Improved Efficiency
arXiv (Cornell University)·2025Open Access
Advancing Graph Isomorphism Tests with Metric Space Indicators: A Tool for Improving Graph Learning Tasks
2025Open Access
App2Exa: Accelerating Exact kNN Search via Dynamic Cache-Guided Approximation
2025
BILE: An Effective Behavior-based Latent Exploration Scheme for Deep Reinforcement Learning
2025
VideoGNN: Video Representation Learning via Dynamic Graph Modelling
ACM Transactions on Multimedia Computing Communications and Applications·2025· 3 cited
Enhanced Subgraph Learning in 2-FWL GNNs via Local Connectivity, Spectral, and Distance Encodings
2025Open Access
Balanced Sampling and Reusing Imaginary Data for World Models in Reinforcement Learning
IEEE Transactions on Artificial Intelligence·2025
MIGNN: Exploiting Metric Isomorphism for Graph Neural Networks
Communications in computer and information science·2025
A Fast Line Density Visualization Plugin for Geographic Information Systems
2025
Large-Scale Spatiotemporal Kernel Density Visualization
2025· 1 cited
Tokenphormer: Structure-aware Multi-token Graph Transformer for Node Classification
Proceedings of the AAAI Conference on Artificial Intelligence·2025· 2 citedOpen Access
Continuous reinforcement learning via advantage value difference reward shaping: A proximal policy optimization perspective
Engineering Applications of Artificial Intelligence·2025· 4 cited
Large Language Model Enhanced Knowledge Representation Learning: A Survey
Data Science and Engineering·2025· 15 citedOpen Access
<i>VecCity</i> : A Taxonomy-Guided Library for Map Entity Representation Learning
Proceedings of the VLDB Endowment·2025
A Comprehensive Survey on Driving Compliance Assessment Methodologies for Autonomous Vehicles
IEEE Intelligent Transportation Systems Magazine·2025· 2 cited
Equity-Oriented Train Regulation Optimization in Overcrowded Scenarios Using Constrained Deep Reinforcement Learning
SSRN Electronic Journal·2025Open Access
Variational Kernel Density Estimation Recommendation Algorithm for Users with Diverse Activity Levels
Lecture notes in computer science·2025
PIGUIQA: A Physical Imaging Guided Perceptual Framework for Underwater Image Quality Assessment
arXiv (Cornell University)·2024Open Access
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Frequent Co-authors

Zhiguo Gong(18), Man Lung Yiu(12), Nikos Mamoulis(11), Ngai Meng Kou(6), Yuhong Li(6), Tsz Nam Chan(6), Yiyang Yang(5), Chan Wa Cheang(4), Kyriakos Mouratidis(4), Reynold Cheng(4), Lap–Kei Lee(3), Yin-Chun Fung(3), Mingliang Zhou(3), Pak Lon Ip(3), Jianliang Xu(3), Ye Li(2), Zhifeng Hao(2), Shen Ge(2), David W. Cheung(2), Kwok Tai Chui(2)