个人情况简介:
郑卫国,青年研究员,博士生导师,上海互联网大数据工程技术研究中心副主任。 博士毕业于北京大学,香港中文大学博士后,研究方向为 图数据查询与分析、向量数据库、基于AI/大模型的数据管理与优化。
 
研究兴趣:
(1) 图数据查询与分析: 图数据库查询优化、图算法优化、图计算和图表示学习等。例如:
            路径查询规划、环路检测(风控、欺诈检测)、社区发现、复杂图模式匹配、图存储优化、流图计算、模式监测。(2) 向量数据库: 向量计算、索引设计与查询优化。例如:
            标量/向量混合检索、分布式向量检索、向量动态更新计算、高维向量检索。(3) 基于AI/大模型的数据管理与优化: 大模型、知识图谱、检索增强。例如:
            神经知识和符号知识的联合管理、知识服务、智能问答与交互、文档管理与挖掘、流程优化与调度、辅助决策分析。 
招生信息:
常年招收硕士/博士生、实习生,欢迎联系!
来信请附简历,介绍清楚院系、专业、排名(如有)以及编程语言能力情况。
 
开授课程:
 
部分论文:
* indicates corresponding author
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BⓈX: Subgraph Matching with Batch Backtracking Search
Yujie Lu, Zhijie Zhang, Weiguo Zheng*
SIGMOD 2025, in ACM SIGMOD International Conference on Management of Data (SIGMOD).
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Navigating Labels and Vectors: A Unified Approach to Filtered Approximate Nearest Neighbor Search
Yuzheng Cai, Jiayang Shi, Yizhuo Chen, Weiguo Zheng*
SIGMOD 2025, in ACM SIGMOD International Conference on Management of Data (SIGMOD).
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Answering Min-Max Resource-Constrained Shortest Path Queries over Large Graphs
Haoran Qian, Weiguo Zheng*, Zhijie Zhang, Bo Fu
IEEE TKDE, in IEEE Transactions on Knowledge and Data Engineering (TKDE), 2025.
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A Powerful Reducing Framework for Accelerating Set Intersections over Graphs
Zheng Hu, Cong Xu Weiguo Zheng*
VLDB Journal, in The International Journal on Very Large Data Bases (VLDB J), 2024.
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CSPG: Crossing Sparse Proximity Graphs for Approximate Nearest Neighbor Search
Ming Yang, Yuzheng Cai, Weiguo Zheng*
NeurIPS 2024, in the 38th Annual Conference on Neural Information Processing Systems, NeurIPS.
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FSM: A Fine-grained Splitting and Merging Framework for Dual-balanced Graph Partition
Chengjun Liu, Zhuo Peng, Weiguo Zheng*, Lei Zou
VLDB 2024, in the 50th International Conference on Very Large Data Bases (VLDB), PVLDB.
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Accelerating Maximal Clique Enumeration via Graph Reduction
Wen Deng, Weiguo Zheng*, Hong Cheng
VLDB 2024, in the 50th International Conference on Very Large Data Bases (VLDB), PVLDB.
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HERO: A Hierarchical Set Partitioning and Join Framework for Speeding up the Set Intersection Over Graphs
Boyu Yang, Weiguo Zheng*, Xiang Lian, Yuzheng Cai, X. Sean Wang
SIGMOD 2024, in ACM SIGMOD International Conference on Management of Data (SIGMOD).
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A Comprehensive Survey and Experimental Study of Subgraph Matching: Trend, Unbiasedness, and Interaction
Zhijie Zhang, Yujie Lu, Weiguo Zheng*, Xuemin Lin
SIGMOD 2024, in ACM SIGMOD International Conference on Management of Data (SIGMOD).
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Triangular Stability Maximization by Influence Spread over Social Networks
Zheng Hu, Weiguo Zheng*, Xiang Lian
VLDB 2023, in the 49th International Conference on Very Large Data Bases (VLDB), PVLDB.
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Locality Sensitive Hashing for Optimizing Subgraph Query Processing in Parallel Computing System
Peng Peng, Shengyi Ji, Zhen Tian, Hongbo Jiang, Weiguo Zheng, Xuecang Zhang
KDD 2023, in ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD) .
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Near-optimal Steiner Tree Computation Powered by Node Embeddings
Boyu Yang,Weiguo Zheng*
KAIS 2023, in Knowledge and Information System (KAIS).
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Controlling Styles in Neural Machine Translation with Activation Prompt
Yifan Wang,Zewei Sun, Shanbo Cheng, Weiguo Zheng*, Mingxuan Wang
ACL 2023, in the Association for Computational Linguistics (ACL Findings).
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Subgraph Reconstruction via Reversible Subgraph Embedding
Boyu Yang,Weiguo Zheng*
DASFAA 2023, in International Conference on Database Systems for Advanced Applications (DASFAA).
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Answering Label-Constrained Reachability Queries via Reduction Techniques
Yuzheng Cai,Weiguo Zheng*
DASFAA 2023, in International Conference on Database Systems for Advanced Applications (DASFAA).
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Question Answering over Knowledge Graphs via Machine Reading Comprehension
Weidong Han, Zhaowu Ouyang, Yifan Wang,Weiguo Zheng*
DASFAA 2023, in International Conference on Database Systems for Advanced Applications (DASFAA).
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MACRE: Multi-hop Question Answering over Knowledge Graphs via Contrastive Relation Embedding (short
paper)
Man Xu, Weiguo Zheng*, Deqing Yang
DASFAA 2023, in International Conference on Database Systems for Advanced Applications (DASFAA).
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Towards Generating Hop-constrained s-t Simple Path Graphs
Yuzheng Cai, Siyuan Liu, Weiguo Zheng*, Xuemin Lin
SIGMOD 2023, in ACM SIGMOD International Conference on Management of Data (SIGMOD).
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Fast Continuous Subgraph Matching over Streaming Graphs via Backtracking Reduction
Rongjian Yang, Zhijie Zhang, Weiguo Zheng*, Jeffrey Xu Yu
SIGMOD 2023, in ACM SIGMOD International Conference on Management of Data (SIGMOD).
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Multi-document Question Answering Powered by External Knowledge
Zhenting Yan, Weiguo Zheng*
WISE 2022, in the 23rd International Conference on Web Information Systems Engineering (WISE).
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Evaluating Knowledge Graph Accuracy Powered by Optimized Human-machine Collaboration
Yifan Qi, Weiguo Zheng*, Liang Hong, Lei Zou
KDD 2022, in ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD).
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Hybrid Subgraph Matching Framework Powered by Sketch Tree for Distributed Systems
Yuejia Zhang, Weiguo Zheng*, Zhijie Zhang, Peng Peng, Xuecang Zhang
ICDE 2022, in the 38th IEEE International Conference on Data Engineering (ICDE).
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Querying Maximum Quasi-independent Set by Pay-and-Recycle
Xiaochen Liu, Weiguo Zheng*, Zhenyi Chen, Zhenying He, X. Sean Wang
ICDE 2022, in the 38th IEEE International Conference on Data Engineering (ICDE).
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Towards Combinational Relation Linking over Knowledge Graphs
Weiguo Zheng, Mei Zhang, Deqing Yang, Zeyang Zhang, Weidong Han,
WWWJ 2021, in World Wide Web.
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Automated Query Graph Generation for Querying Knowledge Graphs
Weiguo Zheng, Mei Zhang
CIKM 2021, in 30th ACM International Conference on Conference on Information and Knowledge Management (CIKM).
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Accelerating Set Intersections over Graphs by Reducing-Merging
Weiguo Zheng, Yifan Yang, Chengzhi Piao
KDD 2021, in ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD).
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Towards Computing A Near-Maximum Weighted Independent Set on Massive Graphs
Jiewei Gu, Weiguo Zheng*, Yuzheng Cai, Peng Peng
KDD 2021, in ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD).
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ESTI: Efficient k-Hop Reachability Querying over Large General Directed Graphs (workshop
paper)
Yuzheng Cai, Weiguo Zheng*
DASFAA 2021, in the 26th International Conference on Database Systems for Advanced Applications (DASFAA).
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Incrementally Finding the Vertices Absent from the Maximum Independent Sets
Xiaochen Liu, Weiguo Zheng*, Zhenyi Chen, Zhenying He, X. Sean Wang,
PAKDD 2021, in the 25th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD).
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Maximizing the Reduction Ability for Near-maximum Independent Set Computation
Chengzhi Piao, Weiguo Zheng*, Yu Rong, Hong Cheng,
VLDB 2020, in the 46th International Conference on Very Large Data Bases (VLDB), PVLDB.
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Efficient Weighted Independent Set Computation over Large Graphs
Weiguo Zheng, Jiewei Gu, Peng Peng, Jeffrey Xu Yu,
ICDE 2020, in the 36th IEEE International Conference on Data Engineering (ICDE).
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Computing A Near-Maximum Independent Set In Dynamic Graphs
Weiguo Zheng, Chengzhi Piao, Hong Cheng, Jeffrey Xu Yu,
ICDE 2019, in the 35th IEEE International Conference on Data Engineering (ICDE).
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Interactive natural language question answering over knowledge graphs
Weiguo Zheng, Hong Cheng, Jeffrey Xu Yu, Lei Zou, Kangfei Zhao,
Information Sciences, in Information Sciences (Inf. Sci.), 2019.
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Question Answering Over Knowledge Graphs: Question Understanding Via Template Decomposition
Weiguo Zheng, Jeffrey Xu Yu, Lei Zou, Hong Cheng,
VLDB 2018, in the 44th International Conference on Very Large Data Bases (VLDB), PVLDB.
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Efficient Computation of a Near-Maximum Independent Set over Evolving Graphs
Weiguo Zheng, Qichen Wang, Jeffrey Xu Yu, Hong Cheng, Lei Zou,
ICDE 2018, in the 34th IEEE International Conference on Data Engineering (ICDE).
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Efficient SimRank-based Similarity Join
Weiguo Zheng, Lei Zou, Lei Chen, Dongyan Zhao,
ACM TODS, in ACM Transactions on Database Systems (TODS), 2017.
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Natural Language Question/Answering: Let Users Talk With The Knowledge Graph
Weiguo Zheng, Hong Cheng, Jeffrey Yu, Lei Zou, Kangfei Zhao,
CIKM 2017, in the 26th ACM International Conference on Conference on Information and Knowledge Management (CIKM).
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Semantic SPARQL Similarity Search Over RDF Knowledge Graphs
Weiguo Zheng, Lei Zou, Wei Peng, Xifeng Yan, ShaoxuSong, Dongyan Zhao,
VLDB 2016, in the 42nd International Conference on Very Large Data Bases (VLDB), PVLDB.
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Online Subgraph Skyline Analysis Over Knowledge Graphs
Weiguo Zheng, Xiang Lian, Lei Zou, Liang Hong, Dongyan Zhao,
IEEE TKDE, in IEEE Transactions on Knowledge and Data Engineering (TKDE), 28(7), 2016.
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How to Build Templates for RDF Question/Answering — An Uncertain Graph Similarity Join Approach
Weiguo Zheng, Lei Zou, Xiang Lian, Jeffery Xu Yu, ShaoXu Song, Donyan Zhao,
SIGMOD 2015, in the ACM SIGMOD International Conference on Management of Data (SIGMOD) .
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Efficient Graph Similarity Search Over Large Graph Databases
Weiguo Zheng, Lei Zou, Xiang Lian, Dong Wang, Dongyan Zhao,
IEEE TKDE, in IEEE Transactions on Knowledge and Data Engineering (TKDE), 27(4), 2015.
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Efficient Subgraph Skyline Search Over Large Graphs
Weiguo Zheng, Lei Zou, Xiang Lian, Liang Hong, Dongyan Zhao,
CIKM 2014, in the 23rd ACM International Conference on Conference on Information and Knowledge Management (CIKM).
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SQBC: An efficient subgraph matching method over large and dense graphs
Weiguo Zheng, Lei Zou, Xiang Lian, Huaming Zhang, Wei Wang, Dongyan Zhao,
Information Sciences, in Information Sciences (Inf. Sci.), 261, 2014.
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Efficient SimRank-based Similarity Join Over Large Graphs
Weiguo Zheng, Lei Zou, Yansong Feng, Lei Chen, Dongyan Zhao,
VLDB 2013, in the 39th International Conference on Very Large Data Bases (VLDB), PVLDB 6(7).
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Graph Similarity Search with Edit Distance Constraint in Large Graph Databases (short paper),
Weiguo Zheng, Lei Zou, Xiang Lian, Dong Wang, Dongyan Zhao,
CIKM 2013, in the 22nd ACM International Conference on Conference on Information and Knowledge Management (CIKM).
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Efficient Answering Subgraph Queries Over Large Graphs
Weiguo Zheng, Lei Zou, Dongyan Zhao,
WAIM 2011, in the 12th International Conference on Web-Age Information Management (WAIM).
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Extracting 5W1H Event Semantic Elements from Chinese Online News
Wei Wang, Dongyan Zhao, Lei Zou, Dong Wang, Weiguo Zheng,
WAIM 2010, in the 11th International Conference on Web-Age Information Management (WAIM).