2001 Doctor of Electrical and Electronics Engineering, University of Macau

1989 Master of Electronics Engineering, South China Normal University

1986 Bachelor of Electronics Engineering, South China University of Science and Technology

Knowledge-based Recommender System, Uni-Agent, Mesh Networks.

Articles in Refereed Journals Publication
[1] Mingjing Huang, Ngai Cheong*, Zhuofan Zhang, Jiaqi Liu, “Exploring the Development of Personalizing Learning in Chinese Higher Education: A Systematic Review of Cognitive Evolution Engine by AI”, IEEE Transactions on Learning Technologies, Vol.18, pp.877–897, 2025.

[2] Junhao Wei, Ngai Cheong, Yanzhao Gu, Baili Lu, “RWOA: A Novel Enhanced Whale Optimization Algorithm with Multi-strategy for Numerical Optimization And Engineering Design Problems”, PLOS ONE, 20(4), 2025. DOI: 10.1371/journal.pone.0320913.

[3] Junhao Wei, Ngai Cheong, Yanzhao Gu, Yuzheng Yan, Zikun Li, Baili Lu, Shirou Pan,,“
LSEWOA: An Enhanced Whale Optimization Algorithm with Multi-strategy for Numerical and Engineering Design Optimization Problems”, 25(7), Sensor, 2025. DOI: 10.3390/s25072054

[4] Wei, Junhao, Gu, Yanzhao, Lu, Baili, Cheong, Ngai, “RWOA: A Novel Enhanced Whale Optimization Algorithm with Multi-strategy for Numerical Optimization And Engineering Design Problems”, PLoS ONE, 2025. DOI: 10.1371/journal.pone.0320913.

[5] Can Yany, Zyy Sakura, Ngai, Cheong, “ Behavioral Fingerprints for User Identification via Unsupervised Matching, Supervised Learning of Data Augmentation, and Their Fusion”, IEEE Transactions on Biometrics, Behavior, and Identity Science”, Vol.7(4), 597–609, 2025.
DOI:10.1109/TBIOM.2025.3587435

[6] Gu, Yanzhao, Wei, Junhao, Li, Zikun, Lu, Baili, Pan, Shirou, Ngai Cheong, “GWOA: A multi-strategy enhanced whale optimization algorithm for engineering design optimization”, PLOS ONE, 2025, DOI: 10.1371/journal.pone.0322494.

[7] Yufei Hu, Ngai Cheong, Muya Yao, Qingwen Long, Yide Yu, “Bluetooth-Based Dynamic Nexus Mesh Communication Network for High-Density Urban Interaction Spaces”, Vol.25(8), Sensors, 2025. DOI: 10.3390/s25082495

[8] Wei, Junhao, Gu, Yanzhao, Xie, Zhanxi, Yan, Yuzheng, Lu, Baili, Li, Zikun, Cheong, Ngai, Zhang, Jiafeng, Zhang, Song”, LSWOA: An enhanced whale optimization algorithm with Levy flight and Spiral flight for numerical and engineering design optimization problems. PLOS ONE, 2025. DOI: 10.1371/journal.pone.0322058

[9] Lu, Baili, Xie, Zhanxi, Wei, Junhao, Gu, Yanzhao, Yan, Yuzheng, Li, Zikun, Pan, Shirou, Cheong, Ngai, Chen, Ying, Zhou, Ruishen, “MRBMO: An Enhanced Red-Billed Blue Magpie Optimization Algorithm for Solving Numerical Optimization Challenges”, Symmetry-Basel, vol. 17(8), DOI: 10.3390/sym17081295

[10] Lu, Baili, He, Jiayu, Pan, Shirou, Wei, Junhao, Li, Bingxin, Cao, Nan, Huang, Yunmao, Tian, Yunbo, Cheong, Ngai, Chen, Ying, Xu, Danning, Li, Wanyan, “Comparative hepatoprotective effects of AMK and PAMK via Nrf2 signaling in broiler breeders”, Frontiers in Veterinary Science. Vol.12, DOI: 10.3389/fvets.2025.1672417.

[11] Li Peng, Yujie Yang, Cheng Yang, Zejun Li, Ngai Cheong, “HRGCNLDA: Forecasting of lncRNA-disease association based on hierarchical refinement graph convolutional neural network”, Mathematical Biosciences and Engineering, Vol. 21,(4), pp.4801-4813, 2024. DOI: 10.3934/mbe.2024212

[12] Gaojian Liu, Yufei Hu, Ngai Cheong, “An Effective Secondary Personalization File System Driven by FileForge Module”, Indonesian Journal of Electrical Engineering and Computer Science, Vol. 34, No. 2, pp. 1305~1313, 2024.

[13] Yangzong Zhang; Wenjian Liu; Kaiian Kuok; Ngai Cheong, “Anteater: Advanced Persistent Threat Detection With Program Network Traffic Behavior”, IEEE Access, Vol 12, pp. 8536- 8551, 2024.

[14] Cheong Ngai, “Analysis of Multi-rate and Multi-stage Switched-Capacitor Filters Using  ISCMRATE”, Journal of Circuits, Systems, and Computers, No. 23(7), pp.1-14, 2014.

[15] Cheong Ngai, “An Optimization Applied to Design of SC Biquad-Based Circuits”, Recent Advances in Electrical & Electronic Engineering, No. 7(1), pp.47-56, 2014.

[16] Cheong, P.N, “Modelling of multirate switched-capacitor filter using nonlinear programming”, International Journal of Modelling and Simulation, 28(2), pp. 215–218. 2008

[17] Cheong, P.N., Martins, R.P.Interactive IIR SC multirate compiler applied to multistage decimator design”, Journal of Circuits, Systems and Computers, 2007, 16(4), pp. 517–525

[18] Ngai, C., Martins, R.P., Franca, J.E, “A novel algorithm for automated optimum design of IIR SC decimators”, IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing49(4), pp. 293-296

Chapters in Refereed Books
[1] GaoJian Liu and Ngai Cheong, “Design of a Teaching Resource Development System Based on the FileForge”, New Technology in Education and Training, 18, pp.207-216. 2024.

[2] Muya Yao, Ngai Cheong, Yufei Hu, Fengwei Zhou, “Designing a Social Network Framework Utilizing New Swarm and P2P Technologies for Application in Office Automation”, The tenth International Conference on Swarm Intelligence (ICSI 2024) Lecture Notes in Computer Science Vol.14789 LNCS, pp. 363-374, 2024

Articles in Refereed Proceedings
[1] Wei, Junhao, Gu, Yanzhao, Yan, Yuzheng, Wang, Yapeng, Wang Y., Li, Zikun, Li Z., Lu, Baili, Lu. Pan, Shirou, Pan S, Cheong, Ngai, “TSWOA: An Enhanced WOA with Triangular Walk and Spiral Flight for Engineering Design Optimization”, 2025 8th International Conference on Advanced Algorithms and Control Engineering, pp.186-194, DOI: 10.1109/ICAACE65325.2025.11020347, 2025.

[2] MingJing Huang, Ngai Cheong, JiaQi Liu, ZhouFan Zhang, “Literature Review of Personalizing Learning Recommendation Systems Using Machine Learning in Chinese Higher Education’, The 7th International Conference on Education Technology (ICETM 2024), pp.219-225, 2025. DOI: 10.1145/3711403.3711441.

[3] K. L. Eddie Law, Junhao Wei, Gu Yanzhao, Ngai Cheong, “dRRT: an Enhanced RRT for Rapid Urban UAV Path Planning, 26th IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (2024 WoWMoM), 2024.

[4] Wei, Junhao, Gu, Yanzhao, Law, K. L. Eddie, Law K.L.E., Cheong, Ngai, “Adaptive Position Updating Particle Swarm Optimization for UAV Path Planning, Proceedings of the International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks, WiOpt, pp. 124 – 131, 2024.

[5] Mingjing Huang, Ngai Cheong, Qingwen Long, Chengtao Cao, Yu Sun, “Research on Teaching Reform of Electronic Information Specialty Based on JiTT+CDIO Model”, International Symposium on Artificial Intelligence for Education (ISAIE 2024), pp.181–187, 2024.

[6] Yao, Muya, Cheong, Ngai, Hu, Yufei, Zhou, Fengwei, “Designing a Social Network Framework Utilizing New Swarm and P2P Technologies for Application in Office Automation”, 15th International Conference on Advances in Swarm Intelligence (ICSI). 2024.

[7] Yanzhao Gu, Junhao Wei, Ngai Cheong, “Credit Card Fraud Detection Based on MiniKM-SVMSMOTE-XGBoost Model”, 2024 8th International Conference on Big Data and Internet of Things (BDIOT 2024), pp. 252–258 2024. DOI: 10.1007/978-981-97-7184-4_30.

[8] Muhammad Iskandar Bin Mohamed Hanafiah, Yong Kiat Desmond Loy, Wen Long Rayson Ng, Yan Ning Ang, Yifei Wang, Yu Jian Xavier Ong, Peter ChunYu Yau, Qi Cao, Dennis Wong, Ngai Cheong, “Integration of SGD Elements in Surveyed Design of Portable Assessment Apps to Foster Inclusive and Equitable Learning and Teaching Quality Education”, ICMET 2024: Proceedings of the 6th International Conference on Modern Educational Technology, pp. 40 – 47.2024. https://doi.org/10.1145/3729434.372945

[9] Bary Woo, Ngai, Cheong, Gaojian Liu, Li Peng, “Utilizing Clustering Analysis and Machine Learning Techniques for Providing Student Learning Recommendations”, 10th International Conference on Education and Training Technologies (ICETT 2024), pp: 160–164, 2024.

[10] Ngai Cheong, “Design Methodology of Introductory Information Technology for Major in Languages and Translation”, 9th International Conference on Education and Training Technologies (ICETT2023), pp.32-36, 2023.

[11] Liu, Yuan, Wang, Xi, Cheong, Ngai, Zheng, Guohong, “The influence of warming-humidifying and reclaiming wasteland on hail disasters on both sides of the Central Tianshan Mountains”, Civil Engineering and Disaster Prevention: Proceedings of the 4th International Conference on Civil, Architecture and Disaster Prevention and Control (Cadpc 2023), pp. 573–581, 2023. DOI: 10.1201/9781003425823-73

[12] Dejiang Wang, Zhuoran Zhai, Ngai Cheong, Li Peng, “Script-Generated Picture Book Technology Based on Large Language Models and AIGC”, 7th International Conference on Digital Technology in Education (ICDTE 2023), pp. 104-108, 2023. .doi: 10.1145/3626686.3626704

[13] Ngai Cheong, Kachong Ho, Yaukong Yung, “Improving Logical Thinking Skills for SW Students Through Course of Introductory Information Technology”, 5th International Conference on Educational Technology Management (ICETM2022), pp.292-297, 2022.

[14] Ngai Cheong, “Personalized Learning in Science Recommendation System based on Learners' Preferences”, 3th International Conference on Education Development and Studies (ICEDS 2022), pp. 22-27, 2022.

[15] Ngai Cheong, Li, L., Wang, Xi, “Evaluation in Development of E-Government: Taking Macao E-Government as An Example”, 15th International Conference on Advanced Computer Theory and Engineering (ICACTE 2022), pp. 108-112, 2022.  

[16] Ngai Cheong, “Knowledge-based Recommender System of Conceptual Learning in Science”, 6th International Conference on Education and E-Learning (ICEEL2021), pp. 9-14, 2022,

[17] Ngai Cheong, Li, L., Wang, X.i,” Organizing and Promoting e-Public Services: Case of Macao E-Government Approach”, 6th International Conference on E-Business and Internet (ICEBI 2022), pp.194–198, 2022.

[18] Ngai Cheong, “Exploring Recommending Algorithms Applied in e-Learning Environments”, The 8th International Conference on Industrial and Business Engineering Proceedings (ICIBE 2022), pp.526-530, 2022.