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Dr Rocky Chen
Dr

Rocky Chen

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Overview

Background

Rocky Tong Chen is currently a Senior Lecturer and ARC DECRA Fellow with the Data Science Discipline, School of Electrical Engineering and Computer Science, The University of Queensland. His research has been focused on developing accurate, efficient, and trustworthy data mining solutions to discover actionable patterns and intelligence from large-scale user data to facilitate prediction and recommendation in a wide range of domains. To date, he has published 70+ peer-reviewed papers in the most prestigious conferences (e.g., KDD, SIGIR, WWW, ICDM, ICDE, AAAI and IJCAI) and journals (e.g., VLDBJ, IEEE TKDE, IEEE TNNLS, ACM TOIS and WWWJ). His publications have won 3 Best Paper Awards, 1 Best Paper Nomination, and 2 Travel Awards.

Availability

Dr Rocky Chen is:
Available for supervision

Qualifications

  • Bachelor of Software Engineering, Northwest A&F University (西北农林科技大学)
  • Doctor of Philosophy, The University of Queensland

Research interests

  • Data Mining

  • Recommender Systems

  • Predictive Analytics

  • Machine Learning

  • Health Informatics

Works

Search Professor Rocky Chen’s works on UQ eSpace

123 works between 2017 and 2025

21 - 40 of 123 works

2025

Journal Article

Robust federated contrastive recommender system against targeted model poisoning attack

Yuan, Wei, Yang, Chaoqun, Qu, Liang, Ye, Guanhua, Nguyen, Quoc Viet Hung and Yin, Hongzhi (2025). Robust federated contrastive recommender system against targeted model poisoning attack. Science China Information Sciences, 68 (4) 140103, 4. doi: 10.1007/s11432-024-4272-y

Robust federated contrastive recommender system against targeted model poisoning attack

2025

Journal Article

Special topic on cloud-edge collaboration for on-device recommendation

Yin, Hongzhi, Cui, Bin, Zhou, Xiaofang, Chen, Tong, Nguyen, Quoc Viet Hung and Zhang, Xiangliang (2025). Special topic on cloud-edge collaboration for on-device recommendation. Science China-Information Sciences, 68 (4) 140100. doi: 10.1007/s11432-025-4334-2

Special topic on cloud-edge collaboration for on-device recommendation

2025

Conference Publication

Towards secure and robust recommender systems: a data-centric perspective

Wang, Zongwei, Yu, Junliang, Chen, Tong, Yin, Hongzhi, Sadiq, Shazia and Gao, Min (2025). Towards secure and robust recommender systems: a data-centric perspective. 18th International Conference on Web Search and Data Mining-WSDM, Hannover, Germany, 10-14 March 2025. New York, NY, United States: ACM. doi: 10.1145/3701551.3703484

Towards secure and robust recommender systems: a data-centric perspective

2025

Journal Article

A thorough performance benchmarking on lightweight embedding-based recommender systems

Tran, Hung Vinh, Chen, Tong, Quoc Viet Hung, Nguyen, Huang, Zi, Cui, Lizhen and Yin, Hongzhi (2025). A thorough performance benchmarking on lightweight embedding-based recommender systems. ACM Transactions on Information Systems, 43 (3) 63, 1-32. doi: 10.1145/3712589

A thorough performance benchmarking on lightweight embedding-based recommender systems

2025

Journal Article

PTF-FSR: a parameter transmission-free federated sequential recommender system

Yuan, Wei, Yang, Chaoqun, Qu, Liang, Hung, Nguyen Quoc Viet, Ye, Guanhua and Yin, Hongzhi (2025). PTF-FSR: a parameter transmission-free federated sequential recommender system. ACM Transactions on Information Systems, 43 (2) 52, 1-24. doi: 10.1145/3708344

PTF-FSR: a parameter transmission-free federated sequential recommender system

2025

Book

Databases Theory and Applications : 35th Australasian Database Conference, ADC 2024, Gold Coast, QLD, Australia, December 16–18, 2024, Proceedings

Chen, Tong, Cao, Yang, Nguyen, Quoc Viet Hung and Nguyen, Thanh Tam eds. (2025). Databases Theory and Applications : 35th Australasian Database Conference, ADC 2024, Gold Coast, QLD, Australia, December 16–18, 2024, Proceedings. Lecture Notes in Computer Science, Singapore: Springer. doi: 10.1007/978-981-96-1242-0

Databases Theory and Applications : 35th Australasian Database Conference, ADC 2024, Gold Coast, QLD, Australia, December 16–18, 2024, Proceedings

2025

Conference Publication

RENO: Real-Time Neural Compression for 3D LiDAR Point Clouds

You, Kang, Chen, Tong, Ding, Dandan, Asif, M. Salman and Ma, Zhan (2025). RENO: Real-Time Neural Compression for 3D LiDAR Point Clouds. IEEE Computer Society. doi: 10.1109/CVPR52734.2025.02065

RENO: Real-Time Neural Compression for 3D LiDAR Point Clouds

2025

Journal Article

Enhancing language models with commonsense knowledge for multi-turn response selection

Wang, Yuandong, Ren, Xuhui, Chen, Tong, Yin, Hongzhi and Hung, Nguyen Quoc Viet (2025). Enhancing language models with commonsense knowledge for multi-turn response selection. International Journal of Machine Learning and Cybernetics. doi: 10.1007/s13042-025-02804-9

Enhancing language models with commonsense knowledge for multi-turn response selection

2025

Journal Article

ConPCAC: Conditional Lossless Point Cloud Attribute Compression via Spatial Decomposition

Zhang, Junzhe, Chen, Tong, You, Kang, Ding, Dandan and Ma, Zhan (2025). ConPCAC: Conditional Lossless Point Cloud Attribute Compression via Spatial Decomposition. IEEE Transactions on Circuits and Systems for Video Technology, 35 (7), 7210-7221. doi: 10.1109/TCSVT.2025.3540931

ConPCAC: Conditional Lossless Point Cloud Attribute Compression via Spatial Decomposition

2024

Conference Publication

Physics-guided active sample reweighting for urban flow prediction

Jiang, Wei, Chen, Tong, Ye, Guanhua, Zhang, Wentao, Cui, Lizhen, Huang, Zi and Yin, Hongzhi (2024). Physics-guided active sample reweighting for urban flow prediction. 33rd ACM International Conference on Information and Knowledge Management (CIKM), Boise, ID, United States, 21-25 October 2024. New York, United States: Association for Computing Machinery. doi: 10.1145/3627673.3679738

Physics-guided active sample reweighting for urban flow prediction

2024

Conference Publication

Scalable dynamic embedding size search for streaming recommendation

Qu, Yunke, Qu, Liang, Chen, Tong, Zhao, Xiangyu, Nguyen, Quoc Viet Hung and Yin, Hongzhi (2024). Scalable dynamic embedding size search for streaming recommendation. 33rd ACM International Conference on Information and Knowledge Management (CIKM), Boise, ID USA, 21-25 October 2024. New York, NY USA: Association for Computing Machinery. doi: 10.1145/3627673.3679638

Scalable dynamic embedding size search for streaming recommendation

2024

Conference Publication

Diffusion-based cloud-edge-device collaborative learning for next POI recommendations

Long, Jing, Ye, Guanhua, Chen, Tong, Wang, Yang, Wang, Meng and Yin, Hongzhi (2024). Diffusion-based cloud-edge-device collaborative learning for next POI recommendations. 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining, Barcelona, Spain, 25-29 August 2024. New York, NY, United States: ACM. doi: 10.1145/3637528.3671743

Diffusion-based cloud-edge-device collaborative learning for next POI recommendations

2024

Conference Publication

Graph condensation for open-world graph learning

Gao, Xinyi, Chen, Tong, Zhang, Wentao, Li, Yayong, Sun, Xiangguo and Yin, Hongzhi (2024). Graph condensation for open-world graph learning. KDD '24: 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining, Barcelona, Spain, 25-29 August 2024. New York, NY, United States: ACM. doi: 10.1145/3637528.3671917

Graph condensation for open-world graph learning

2024

Conference Publication

Hate speech detection with generalizable target-aware fairness

Chen, Tong, Wang, Danny, Liang, Xurong, Risius, Marten, Demartini, Gianluca and Yin, Hongzhi (2024). Hate speech detection with generalizable target-aware fairness. KDD '24: 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining, Barcelona, Spain, 25-29 August 2024. New York, NY, United States: ACM. doi: 10.1145/3637528.3671821

Hate speech detection with generalizable target-aware fairness

2024

Journal Article

Explicit knowledge graph reasoning for conversational recommendation

Ren, Xuhui, Chen, Tong, Nguyen, Quoc Viet Hung, Cui, Lizhen, Huang, Zi and Yin, Hongzhi (2024). Explicit knowledge graph reasoning for conversational recommendation. ACM Transactions on Intelligent Systems and Technology, 15 (4) 86, 1-21. doi: 10.1145/3637216

Explicit knowledge graph reasoning for conversational recommendation

2024

Conference Publication

Lightweight embeddings for graph collaborative filtering

Liang, Xurong, Chen, Tong, Cui, Lizhen, Wang, Yang, Wang, Meng and Yin, Hongzhi (2024). Lightweight embeddings for graph collaborative filtering. SIGIR '24: 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, Washington, DC, United States, 14-18 July 2024. New York, NY, United States: ACM. doi: 10.1145/3626772.3657820

Lightweight embeddings for graph collaborative filtering

2024

Conference Publication

Poisoning decentralized collaborative recommender system and its countermeasures

Zheng, Ruiqi, Qu, Liang, Chen, Tong, Zheng, Kai, Shi, Yuhui and Yin, Hongzhi (2024). Poisoning decentralized collaborative recommender system and its countermeasures. SIGIR 2024: The 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, Washington, DC, United States, 14-18 July 2024. New York, United States: Association for Computing Machinery. doi: 10.1145/3626772.3657814

Poisoning decentralized collaborative recommender system and its countermeasures

2024

Journal Article

Personalized elastic embedding learning for on-device recommendation

Zheng, Ruiqi, Qu, Liang, Chen, Tong, Zheng, Kai, Shi, Yuhui and Yin, Hongzhi (2024). Personalized elastic embedding learning for on-device recommendation. IEEE Transactions on Knowledge and Data Engineering, 36 (7), 3363-3375. doi: 10.1109/tkde.2024.3361562

Personalized elastic embedding learning for on-device recommendation

2024

Conference Publication

Fairness without sensitive attributes via knowledge sharing

Ni, Hongliang, Han, Lei, Chen, Tong, Sadiq, Shazia and Demartini, Gianluca (2024). Fairness without sensitive attributes via knowledge sharing. 2024 ACM Conference on Fairness, Accountability, and Transparency, Rio de Janeiro, Brazil, 3-6 June 2024. New York, NY, United States: ACM. doi: 10.1145/3630106.3659014

Fairness without sensitive attributes via knowledge sharing

2024

Journal Article

Heterogeneous decentralised machine unlearning with seed model distillation

Ye, Guanhua, Chen, Tong, Hung Nguyen, Quoc Viet and Yin, Hongzhi (2024). Heterogeneous decentralised machine unlearning with seed model distillation. CAAI Transactions on Intelligence Technology, 9 (3), 608-619. doi: 10.1049/cit2.12281

Heterogeneous decentralised machine unlearning with seed model distillation

Funding

Current funding

  • 2025 - 2026
    Multimodal Hate Speech Detection through Explainable AI with Collaborative Agents
    Queensland Bavaria Collaborative Research Program - Seed Grant
    Open grant
  • 2025 - 2028
    Building an Aussie Information Recommendation System You Can Trust
    ARC Linkage Projects
    Open grant
  • 2024 - 2027
    Embracing Changes for Responsive Video-sharing Services
    ARC Discovery Projects
    Open grant
  • 2023 - 2026
    Scalable and Lightweight On-Device Recommender Systems
    ARC Discovery Early Career Researcher Award
    Open grant
  • 2021 - 2026
    ARC Training Centre for Information Resilience
    ARC Industrial Transformation Training Centres
    Open grant

Supervision

Availability

Dr Rocky Chen is:
Available for supervision

Looking for a supervisor? Read our advice on how to choose a supervisor.

Supervision history

Current supervision

  • Doctor Philosophy

    Sustainable On-Device Recommender Systems

    Principal Advisor

    Other advisors: Professor Hongzhi Yin

  • Doctor Philosophy

    Scalable and Lightweight On-Device Recommender Systems

    Principal Advisor

    Other advisors: Professor Hongzhi Yin, Dr Junliang Yu

  • Doctor Philosophy

    Value Measurement of Data Products

    Principal Advisor

    Other advisors: Professor Shazia Sadiq

  • Doctor Philosophy

    Causal Analysis for Decision Support in Public Health

    Principal Advisor

    Other advisors: Professor Shazia Sadiq, Professor Hongzhi Yin

  • Doctor Philosophy

    Lightweight Graph Neural Networks for Recommendation

    Principal Advisor

    Other advisors: Professor Hongzhi Yin

  • Doctor Philosophy

    Scalable and Lightweight On-Device Recommender Systems

    Principal Advisor

    Other advisors: Professor Hongzhi Yin

  • Doctor Philosophy

    Scalable and Generalizable Graph Neural Networks

    Principal Advisor

    Other advisors: Professor Hongzhi Yin

  • Doctor Philosophy

    Data as a Service Architecture

    Principal Advisor

    Other advisors: Professor Shazia Sadiq

  • Doctor Philosophy

    Lightweight Embedding Learning for Recommender Systems

    Associate Advisor

    Other advisors: Professor Hongzhi Yin

  • Doctor Philosophy

    Establishment LCA method coupled with an activated sludge model for sustainable nitrogen management technology evaluation.

    Associate Advisor

    Other advisors: Professor Liu Ye, Dr Shakil Ahmmed

  • Doctor Philosophy

    Improving Traffic Dynamics Simulation Quality for Enhanced Safety and Efficiency: Evaluation, Modelling, and Application

    Associate Advisor

    Other advisors: Professor Zuduo Zheng

  • Doctor Philosophy

    LLM-enhanced Recommender System

    Associate Advisor

    Other advisors: Professor Hongzhi Yin

  • Doctor Philosophy

    Decentralised Collaborative Predictive Analytics on Personal Smart Devices

    Associate Advisor

    Other advisors: Professor Hongzhi Yin

  • Doctor Philosophy

    Decentralised Collaborative Predictive Analytics on Personal Smart Devices

    Associate Advisor

    Other advisors: Professor Hongzhi Yin

Completed supervision

Media

Enquiries

For media enquiries about Dr Rocky Chen's areas of expertise, story ideas and help finding experts, contact our Media team:

communications@uq.edu.au