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Dr Zhengyi Yang

Dr Zhengyi Yang

Associate Lecturer
  • PhD in Computer Science, ºÚÁÏÍø´óʼÇ
  • MEng in Mathematical Computation, UCL
Engineering
Computer Science and Engineering

I'm an Associate Lecturer at ºÚÁÏÍø´óʼÇ's School of Computer Science and Engineering. I completed my PhD in computer science at the , under the guidance of Prof. Xuemin Lin and Prof. Wenjie Zhang. I hold an MEng degree in Mathematical Computation (First Class Honours) from UCL, where I earned the IBM sponsorship for Best Undergraduate Final Year Project. My research interests encompass database systems, graph data processing, and big data analysis. For more information, please visit my .

I'm actively looking for self-motivated research students.
  • Book Chapters | 2025
    Ding Y; Lin H; Yang Z; Wen D; Wang X; Zhang W, 2025, 'An Experimental Comparison of RDF Systems on Cloud', in , pp. 30 - 43,
    Book Chapters | 2025
    He H; Yang Z; Wen D; Zhang W; Yu M; Yang W; Zhang W, 2025, 'A Survey on Efficient Graph Reachability Queries', in Lecture Notes in Computer Science, Springer Nature Singapore, pp. 58 - 77,
    Book Chapters | 2025
    Li X; Wu Y; Wang X; Yang Z; Zhang W; Zhang Y, 2025, 'Keyword-Based Betweenness Centrality Maximization in Attributed Graphs', in , pp. 209 - 223,
    Book Chapters | 2025
    Ukey N; Zhang G; Yang Z; Wang X; Li B; Saydam S; Zhang W, 2025, 'A Cluster-Based Approach to kNN Join Over Batch-Dynamic High-Dimensional Data', in , pp. 81 - 96,
    Book Chapters | 2025
    Wu J; Tang X; Yang Z; Hao K; Lai L; Liu Y, 2025, 'An Experimental Evaluation of LLM on Image Classification', in , pp. 506 - 518,
    Book Chapters | 2025
    Yan H; Yang Z; Zhang T; Wen D; Luo Q; Ukey N, 2025, 'Approximating Temporal Katz Centrality with Monte Carlo Methods', in , pp. 3 - 16,
    Book Chapters | 2024
    Chen K; Wen D; Li W; Yang Z; Zhang W, 2024, 'On Compressing Historical Cliques in Temporal Graphs', in , pp. 37 - 53,
    Book Chapters | 2024
    Ding Y; Yang Z; Li S; Chen L; Ning H; Hao K; Liu Y, 2024, 'FGAQ: Accelerating Graph Analytical Queries Using FPGA', in , pp. 357 - 361,
    Book Chapters | 2024
    Ma M; Yang Z; Hao K; Chen L; Wang C; Jin Y, 2024, 'An Empirical Analysis of Just-in-Time Compilation in Modern Databases', in Bao Z; Borovica-Gajic R; Qiu R; Choudhury F; Yang Z (ed.), , SPRINGER INTERNATIONAL PUBLISHING AG, pp. 227 - 240,
    Book Chapters | 2024
    Ning H; Han B; Yang Z; Hao K; Ma M; Wang C; Liu B; Chen X; Hao Y; Jin Y; Zhang W; Zhang C, 2024, 'Exploring Simple Architecture of Just-in-Time Compilation in Databases', in , pp. 504 - 514,
    Book Chapters | 2024
    Ukey N; Yang Z; Yang W; Li B; Li R, 2024, 'kNN Join for Dynamic High-Dimensional Data: A Parallel Approach', in Bao Z; Borovica-Gajic R; Qiu R; Choudhury F; Yang Z (ed.), , SPRINGER INTERNATIONAL PUBLISHING AG, pp. 3 - 16,
    Book Chapters | 2024
    Yang W; Yang Z; Chen L; Yan R; Yang Z; Zhang L; Tang Y, 2024, 'Parallel Program Generation for Hybrid Tabular-Textual Question Answering', in , pp. 121 - 137,
    Book Chapters | 2023
    Hao K; Yuan L; Yang Z; Zhang W; Lin X, 2023, 'Efficient and Scalable Distributed Graph Structural Clustering at Billion Scale', in , pp. 234 - 251,
    Book Chapters | 2022
    2022, 'Hop-Constrained s-t Simple Path Enumeration in Billion-Scale Labelled Graphs', in Web Information Systems Engineering – WISE 2022, Springer International Publishing, pp. 49 - 64,
    Book Chapters | 2021
    Li S; Yang Z; Zhang X; Zhang W; Lin X, 2021, 'SQL2Cypher: Automated Data and Query Migration from RDBMS to GDBMS', in Web Information Systems Engineering – WISE 2021, pp. 510 - 517,
  • Journal articles | 2025
    Chen Z; Liang K; Yuan L; Zhang W; Yang Z, 2025, 'Recent Advances in Efficient Dynamic Graph Processing', Applied Sciences Switzerland, 15,
    Journal articles | 2025
    Guo XX; Zhou W; Yang ZY; Wen JH; Yang JJ; Liu M, 2025, 'Denoising Implicit Feedback with Self-Supervised Graph Convolution Network and Attention Mechanism for Social Recommendation', Tien Tzu Hsueh Pao/Acta Electronica Sinica, 53, pp. 151 - 162,
    Journal articles | 2025
    Hu L; Han G; Liu S; Ren Y; Wang X; Liu Y; Wen J; Yang Z, 2025, 'Multi-View Contrastive Fusion POI Recommendation Based on Hypergraph Neural Network', Mathematics, 13,
    Journal articles | 2025
    Luo Q; Zhang W; Yang Z; Yu D; Lin X; Wang L, 2025, 'Efficient indexing and searching of constrained core in hypergraphs', VLDB Journal, 34,
    Journal articles | 2025
    Tang X; Chen L; Yang W; Yang Z; Ju M; Shu X; Yang Z; Tang Y, 2025, 'Tabular-textual question answering: From parallel program generation to large language models', World Wide Web, 28,
    Journal articles | 2025
    Yan D; Ding Y; Sunindijo RY; Wang CC; Yang ZHENGYI, 2025, 'Career progression of female and male managers in the Australian construction industry: a comparative analysis using LinkedIn data', International Journal of Construction Management, ahead-of-print, pp. 1 - 10,
    Journal articles | 2025
    Zhang T; Zhang R; Yang Z; Chen L; Gao Y; Yang X, 2025, 'TemsRoute: A temporally and socially aware routing framework for delay-tolerant networks', Ad Hoc Networks, 169,
    Journal articles | 2025
    Zhang W; Tung A; Zheng Z; Yang Z; Wang X; Guo H, 2025, 'Preface', Communications in Computer and Information Science, 2246, pp. v - vi
    Journal articles | 2025
    Zhang W; Yang Z; Wen D; Li W; Zhang W; Lin X, 2025, 'Accelerating Core Decomposition in Billion-Scale Hypergraphs', Proceedings of the ACM on Management of Data, 3, pp. 1 - 27,
    Journal articles | 2024
    Li L; Li Z; Guo F; Yang H; Wei J; Yang Z, 2024, 'Prototype Comparison Convolutional Networks for One-Shot Segmentation', IEEE Access, 12, pp. 54978 - 54990,
    Journal articles | 2024
    Li S; Kou P; Ma M; Yang H; Huang S; Yang Z, 2024, 'Application of Semi-Supervised Learning in Image Classification: Research on Fusion of Labeled and Unlabeled Data', IEEE Access, 12, pp. 27331 - 27343,
    Journal articles | 2024
    Wei J; Yang Z; Luo Q; Zhang Y; Qin L; Zhang W, 2024, 'High-Order Local Clustering on Hypergraphs', ICST Transactions on Scalable Information Systems, 11,
    Journal articles | 2024
    Zhang T; Cai X; Chen L; Yang Z; Gao Y; Cao B; Fan J, 2024, 'Towards efficient simulation-based constrained temporal graph pattern matching', World Wide Web, 27,
    Journal articles | 2024
    Zhang W; Tung A; Zheng Z; Yang Z; Wang X; Guo H, 2024, 'Preface', Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics, 14961 LNCS, pp. v - vi
    Journal articles | 2024
    Zhang W; Tung A; Zheng Z; Yang Z; Wang X; Guo H, 2024, 'Preface', Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics, 14962 LNCS, pp. v - vi
    Journal articles | 2024
    Zhang W; Tung A; Zheng Z; Yang Z; Wang X; Guo H, 2024, 'Preface', Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics, 14963 LNCS, pp. v - vi
    Journal articles | 2024
    Zhang W; Tung A; Zheng Z; Yang Z; Wang X; Guo H, 2024, 'Preface', Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics, 14964 LNCS, pp. v - vi
    Journal articles | 2024
    Zhang W; Tung A; Zheng Z; Yang Z; Wang X; Guo H, 2024, 'Preface', Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics, 14965 LNCS, pp. v - vi
    Journal articles | 2024
    Zhang W; Yang Z, 2024, 'Methods and Applications of Data Management and Analytics', Applied Sciences Switzerland, 14,
    Journal articles | 2023
    Chen L; Han B; Wang X; Zhao J; Yang W; Yang Z, 2023, 'Machine Learning Methods in Weather and Climate Applications: A Survey', Applied Sciences Switzerland, 13,
    Journal articles | 2023
    Ukey N; Yang Z; Li B; Zhang G; Hu Y; Zhang W, 2023, 'Survey on Exact kNN Queries over High-Dimensional Data Space', Sensors, 23,
    Journal articles | 2023
    Ukey N; Zhang G; Yang Z; Li B; Li W; Zhang W, 2023, 'Efficient continuous kNN join over dynamic high-dimensional data', World Wide Web, 26, pp. 3759 - 3794,
    Journal articles | 2022
    Xu W; Sun L; Zhen C; Liu B; Yang Z; Yang W, 2022, 'Deep Learning-Based Image Recognition of Agricultural Pests', Applied Sciences Switzerland, 12,
    Journal articles | 2022
    Ma L; Zhang Y; Zhang H; Cheng L; Yang Z; Lu Y; Shi W; Li W; Zhuo J; Wang J; Fan L; Jiang T, 2022, 'BAI-Net: Individualized Anatomical Cerebral Cartography Using Graph Neural Network.', IEEE Trans Neural Netw Learn Syst, vol. PP,
    Journal articles | 2021
    Jin X; Yang Z; Lin X; Yang S; Qin L; Peng Y, 2021, 'FAST: FPGA-based Subgraph Matching on Massive Graphs', arXiv preprint arXiv:2102.10768
    Journal articles | 2019
    Lai L; Qing Z; Yang Z; Jin X; Lai Z; Wang R; Hao K; Lin X; Qin L; Zhang W; others , 2019, 'A Survey and Experimental Analysis of Distributed Subgraph Matching', arXiv preprint arXiv:1906.11518
  • Conference Papers | 2025
    Chen K; Wen D; Wang H; Yang Z; Zhang W; Lin X, 2025, 'Covering K-Cliques in Billion-Scale Graphs', in Www 2025 Proceedings of the ACM Web Conference, pp. 2299 - 2308,
    Conference Papers | 2025
    Lai L; Luo C; Lou Y; Ju M; Yang Z, 2025, 'Graphy'our Data: Towards End-to-End Modeling, Exploring and Generating Report from Raw Data', in Companion of the 2025 International Conference on Management of Data, ACM, pp. 147 - 150, presented at SIGMOD/PODS '25: International Conference on Management of Data,
    Conference Papers | 2025
    Li X; Yang Z; Hao K; Shu X; Cao X; Zhang W, 2025, 'Distributed Hop-Constrained s-t Simple Path Enumeration in Labelled Graphs', in Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics, pp. 265 - 278,
    Conference Papers | 2025
    Liu B; Wang C; Chen X; Hao Y; Yang Z; Jin Y; Yang Y; Yang W; Zhang W; Zhang W, 2025, 'PhoebeDB: A Disk-Based RDBMS Kernel for High-Performance and Cost-Effective OLTP', in Advances in Database Technology Edbt, pp. 996 - 1004,
    Conference Papers | 2025
    Xu Z; Yang Z; Chen X; He H; Cao X, 2025, 'Efficient Answering of k-Reachability on Temporal Bipartite Graphs', in Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics, pp. 224 - 238,
    Conference Papers | 2024
    Luo Q; Zhang W; Yang Z; Wen D; Wang X; Yu D; Lin X, 2024, 'Hierarchical Structure Construction on Hypergraphs', in International Conference on Information and Knowledge Management Proceedings, pp. 1597 - 1606,
    Conference Papers | 2024
    Yan D; Sunindijo R; Wang C; Yang Z, 2024, 'COMPARING THE CAREER PATHS OF MALE AND FEMALE MANAGERS IN THE CONSTRUCTION INDUSTRY: INSIGHTS FROM LINKEDIN DATA', in Association of Researchers in Construction Management, ARCOM 2024 - Proceedings of the 40th Annual Conference, Association of Researchers in Construction Management, London, UK,, pp. 247 - 256, presented at 40th Annual ARCOM Conference, London, UK,, 02 September 2024 - 04 September 2024,
    Conference Papers | 2024
    Zhang T; Fang J; Yang Z; Cao B; Fan J, 2024, 'TATKC: A Temporal Graph Neural Network for Fast Approximate Temporal Katz Centrality Ranking', in Www 2024 Proceedings of the ACM Web Conference, pp. 527 - 538,
    Conference Papers | 2024
    Zhang T; Gao Y; Zhao J; Chen L; Jin L; Yang Z; Cao B; Fan J, 2024, 'Efficient Exact and Approximate Betweenness Centrality Computation for Temporal Graphs', in Www 2024 Proceedings of the ACM Web Conference, pp. 2395 - 2406,
    Conference Proceedings (Editor of) | 2024
    Zhang W; Tung A; Zheng Z; Yang Z; Wang X; Guo H, (eds.), 2024, 'Web and Big Data - 8th International Joint Conference, APWeb-WAIM 2024, Jinhua, China, August 30 - September 1, 2024, Proceedings, Part I', presented at APWeb-WAIM 2024, 30 August 2024,
    Conference Proceedings (Editor of) | 2024
    Zhang W; Tung A; Zheng Z; Yang Z; Wang X; Guo H, (eds.), 2024, 'Web and Big Data - 8th International Joint Conference, APWeb-WAIM 2024, Jinhua, China, August 30 - September 1, 2024, Proceedings, Part II', presented at APWeb-WAIM 2024, 30 August 2024,
    Conference Proceedings (Editor of) | 2024
    Zhang W; Tung A; Zheng Z; Yang Z; Wang X; Guo H, (eds.), 2024, 'Web and Big Data - 8th International Joint Conference, APWeb-WAIM 2024, Jinhua, China, August 30 - September 1, 2024, Proceedings, Part III', presented at APWeb-WAIM 2024, 30 August 2024,
    Conference Proceedings (Editor of) | 2024
    Zhang W; Tung A; Zheng Z; Yang Z; Wang X; Guo H, (eds.), 2024, 'Web and Big Data - 8th International Joint Conference, APWeb-WAIM 2024, Jinhua, China, August 30 - September 1, 2024, Proceedings, Part IV', presented at APWeb-WAIM 2024, 30 August 2024,
    Conference Proceedings (Editor of) | 2024
    Zhang W; Tung A; Zheng Z; Yang Z; Wang X; Guo H, (eds.), 2024, 'Web and Big Data - 8th International Joint Conference, APWeb-WAIM 2024, Jinhua, China, August 30 - September 1, 2024, Proceedings, Part V', presented at APWeb-WAIM 2024, 30 August 2024,
    Preprints | 2023
    Chen L; Han B; Wang X; Zhao J; Yang W; Yang Z, 2023, Machine Learning Methods in Climate Prediction: A Survey,
    Preprints | 2023
    Chen L; Han B; Wang X; Zhao J; Yang W; Yang Z, 2023, Machine Learning Methods in Weather and Climate Applications: A Survey,
    Preprints | 2023
    Ma M; Yang Z; Hao K; Chen L; Wang C; Jin Y, 2023, An Empirical Analysis of Just-in-Time Compilation in Modern Databases,
    Conference Papers | 2023
    Yang Z; Zhang W; Lin X; Zhang Y; Li S, 2023, 'HGMatch: A Match-by-Hyperedge Approach for Subgraph Matching on Hypergraphs', in Proceedings International Conference on Data Engineering, pp. 2063 - 2076,
    Preprints | 2023
    Yang Z; Zhang W; Lin X; Zhang Y; Li S, 2023, HGMatch: A Match-by-Hyperedge Approach for Subgraph Matching on Hypergraphs,
    Conference Papers | 2023
    Zhang W; Yang Z; Wen D; Wang X, 2023, 'Efficient Distributed Core Graph Decomposition', in IEEE International Conference on Data Mining Workshops Icdmw, pp. 1023 - 1031,
    Conference Papers | 2022
    Li X; Hao K; Yang Z; Cao X; Zhang W; Yuan L; Lin X, 2022, 'Hop-Constrained s-t Simple Path Enumeration in Billion-Scale Labelled Graphs', in Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics, pp. 49 - 64,
    Conference Papers | 2022
    Li X; Hao K; Yang Z; Cao X; Zhang W, 2022, 'Hop-Constrained s-t Simple Path Enumeration in Large Uncertain Graphs', in Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics, pp. 115 - 127,
    Conference Papers | 2022
    Ukey N; Yang Z; Zhang G; Liu B; Li B; Zhang W, 2022, 'Efficient kNN Join over Dynamic High-Dimensional Data', in Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics, pp. 63 - 75,
    Preprints | 2021
    Jin X; Yang Z; Lin X; Yang S; Qin L; Peng Y, 2021, FAST: FPGA-based Subgraph Matching on Massive Graphs,
    Conference Papers | 2021
    Yang Z; Lai L; Lin X; Hao K; Zhang W, 2021, 'HUGE: An Efficient and Scalable Subgraph Enumeration System', in Proceedings of the ACM SIGMOD International Conference on Management of Data, Virtual Event China, pp. 2049 - 2062, presented at SIGMOD/PODS '21: International Conference on Management of Data, Virtual Event China, 20 June 2021,
    Preprints | 2021
    Yang Z; Lai L; Lin X; Hao K; Zhang W, 2021, HUGE: An Efficient and Scalable Subgraph Enumeration System,
    Conference Papers | 2020
    Wang R; Yang Z; Zhang W; Lin X, 2020, 'An empirical study on recent graph database systems', in Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics, pp. 328 - 340,
    Conference Papers | 2019
    Hao K; Lai Z; Yang Z; Jin X; Lai L; Lin X, 2019, 'PatMat: A distributed pattern matching engine with Cypher', in International Conference on Information and Knowledge Management Proceedings, pp. 2921 - 2924,
    Conference Papers | 2019
    Lai L; Qing Z; Yang Z; Jin X; Lai Z; Wang R; Hao K; Lin X; Qin L; Zhang W; Zhang Y; Qian Z; Zhou J, 2019, 'Distributed Subgraph Matching on Timely Dataflow', in Proc. VLDB Endow., VLDB Endowment, pp. 1099–1112 - 1099–1112,
    Preprints | 2019
    Lai L; Qing Z; Yang Z; Jin X; Lai Z; Wang R; Hao K; Lin X; Qin L; Zhang W; Zhang Y; Qian Z; Zhou J, 2019, A Survey and Experimental Analysis of Distributed Subgraph Matching,
    Conference Papers | 2019
    Lai Z; Yang Z; Lai L, 2019, 'Improving distribued subgraph matching algorithm on timely dataflow', in Proceedings 2019 IEEE 35th International Conference on Data Engineering Workshops Icdew 2019, pp. 266 - 273,
    Preprints |
    Ukey N; Zhang G; Yang Z; Li B; Li W; Zhang W, Efficient Continuous kNN Join over Dynamic High-dimensional Data [v1],
    Preprints |
    Ukey N; Zhang G; Yang Z; Li B; Li W; Zhang W, Efficient Continuous kNN Join over Dynamic High-dimensional Data [v2],
    Preprints |
    Ukey N; Zhang G; Yang Z; Li B; Li W; Zhang W, Efficient Continuous kNN Join over Dynamic High-dimensional Data [v3],
    Preprints |
    Ukey N; Zhang G; Yang Z; Li B; Li W; Zhang W, Efficient Continuous kNN Join over Dynamic High-dimensional Data [v4],
    Preprints |
    Zhang T; Cai X; Chen L; Yang Z; Gao Y; Cao B; Fan J, Towards Efficient Simulation-Based Constrained Temporal Graph Pattern Matching,

  • Best Student Paper Award, ADMA - 2024
  • Excellence Service Award, APWeb-WAIM - 2024
  • Best Student Paper Award, ADC - 2022
  • Best Student Paper Award, KSEM - 2020

My Teaching

COMP9311 - Database Systems

DATA1001 - Introduction to Data Science and Decisions