Qingzhi Ma

According to our database, Qingzhi Ma authored at least 24 papers between 2019 and 2026.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2026

SieveJoin: Boosting Multi-way Joins by Filtering Unneeded Intermediate Results.

Renrui Li, Qingzhi Ma, Xiaomeng Shi, An Liu

Data Sci. Eng., March, 2026

GBV-SQL: Guided Generation and SQL2Text Back-Translation Validation for Multi-Agent Text2SQL.

Daojun Chen, Xi Wang, Shenyuan Ren, Qingzhi Ma, Pengpeng Zhao, An Liu

Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 2026

Forgetting by Pruning: Data Deletion in Join Cardinality Estimation.

Chaowei He, Yuanjun Liu, Qingzhi Ma, Shenyuan Ren, Xizhao Luo, Lei Zhao, An Liu

Proceedings of the Fortieth AAAI Conference on Artificial Intelligence, 2026

2025

E3-Rewrite: Learning to Rewrite SQL for Executability, Equivalence,and Efficiency.

Dongjie Xu, Yue Cui, Weijie Shi, Qingzhi Ma, Hanghui Guo, Jiaming Li, Yao Zhao, Ruiyuan Zhang, Shimin Di, Jia Zhu, Kai Zheng, Jiajie Xu

CoRR, August, 2025

GPE: Global Position Embedding for Trajectory Similarity Computation.

Yuanjun Liu, Guanfeng Liu, Qingzhi Ma, Zhixu Li, Lei Zhao, An Liu

Proceedings of the 31st ACM SIGKDD Conference on Knowledge Discovery and Data Mining, V.2, 2025

Federated Approximate Query Processing Based on Deep Models.

Yutong Xie, Qingzhi Ma, Lei Zhao, An Liu

Proceedings of the 34th ACM International Conference on Information and Knowledge Management, 2025

TKHist: Cardinality Estimation for Join Queries via Histograms with Dominant Attribute Correlation Finding.

Renrui Li, Qingzhi Ma, Jiajie Xu, Lei Zhao, An Liu

Proceedings of the 34th ACM International Conference on Information and Knowledge Management, 2025

DDE-CLIP: Detail-Guided Dual-Modal Enhancement for Zero-Shot Anomaly Detection.

Zehao Deng, Qingzhi Ma, An Liu

Proceedings of the 34th ACM International Conference on Information and Knowledge Management, 2025

ASFRA-DP: Learning-Based Federated Spatial Query Processing with Density-Aware Privacy.

Yutong Xie, Qingzhi Ma, Wei Chen, An Liu, Lei Zhao

Proceedings of the Web and Big Data - 9th International Joint Conference, 2025

2024

Inductive Link Prediction for Sequential-emerging Knowledge Graph.

Yufeng Zhang, Wei Chen, Xi Chen, Qingzhi Ma, Lei Zhao

Proceedings of the 40th IEEE International Conference on Data Engineering, 2024

Segam: Secure and Efficient Group-by-Aggregation Queries across Multiple Private Database.

Zicheng Cao, Qingzhi Ma, Wei Chen, Lei Zhao, An Liu

Proceedings of the Database Systems for Advanced Applications, 2024

CLR2G: Cross modal Contrastive Learning on Radiology Report Generation.

Hongchen Xue, Qingzhi Ma, Guanfeng Liu, Jianfeng Qu, Yuanjun Liu, An Liu

Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, 2024

KMCT: <i>k</i>-Means Clustering of Trajectories Efficiently in Location-Based Services.

Yuanjun Liu, Guanfeng Liu, Qingzhi Ma, Zhixu Li, Shiting Wen, Lei Zhao, An Liu

Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, 2024

Periodic Patterns and Long-Term Dependencies Based Temporal Knowledge Graph Completion.

Penghui Ge, Wei Chen, Xi Chen, Qingzhi Ma, Lei Zhao

Proceedings of the Advanced Data Mining and Applications - 20th International Conference, 2024

2023

SieveJoin: Boosting Multi-Way Joins with Reusable Bloom Filters.

Qingzhi Ma

CoRR, 2023

Streaming Weighted Sampling over Join Queries.

Michael Shekelyan, Graham Cormode, Qingzhi Ma, Ali Mohammadi Shanghooshabad, Peter Triantafillou

Proceedings of the Proceedings 26th International Conference on Extending Database Technology, 2023

2022

Query-centric regression.

Qingzhi Ma, Peter Triantafillou

Inf. Syst., 2022

Weighted Random Sampling over Joins.

Michael Shekelyan, Graham Cormode, Peter Triantafillou, Ali Mohammadi Shanghooshabad, Qingzhi Ma

CoRR, 2022

2021

Approximate query processing using machine learning.

Qingzhi Ma

PhD thesis, 2021

Performance Optimization Analysis of Hybrid Excitation Generator With the Electromagnetic Rotor and Embedded Permanent Magnet Rotor for Vehicle.

Huihui Geng, Xueyi Zhang, Lanian Tong, Qingzhi Ma, Mingjun Xu, Yufeng Zhang, Lei Wang

IEEE Access, 2021

PGMJoins: Random Join Sampling with Graphical Models.

Ali Mohammadi Shanghooshabad, Meghdad Kurmanji, Qingzhi Ma, Michael Shekelyan, Mehrdad Almasi, Peter Triantafillou

Proceedings of the SIGMOD '21: International Conference on Management of Data, 2021

Learned Approximate Query Processing: Make it Light, Accurate and Fast.

Qingzhi Ma, Ali Mohammadi Shanghooshabad, Mehrdad Almasi, Meghdad Kurmanji, Peter Triantafillou

Proceedings of the 11th Conference on Innovative Data Systems Research, 2021

2020

Query-Centric Regression for In-DBMS Analytics.

Qingzhi Ma, Peter Triantafillou

Proceedings of the 22nd International Workshop on Design, 2020

2019

DBEst: Revisiting Approximate Query Processing Engines with Machine Learning Models.

Qingzhi Ma, Peter Triantafillou

Proceedings of the 2019 International Conference on Management of Data, 2019