Publications

2026

  1. ICLR’2026
    AutoCode: LLMs as Problem Setters for Competitive Programming
    Shang Zhou, Zihan Zheng, Kaiyuan Liu, Zeyu Shen, Zerui Cheng, Zexing Chen, Hansen He, Jianzhu Yao, Huanzhi Mao, Qiuyang Mang, Tianfu Fu, Beichen Li, and 9 more authors
    PDF
  2. SIGMOD’2026
    Automated Discovery of Test Oracles for Database Management Systems Using LLMs
    Qiuyang Mang, Runyuan He, Suyang Zhong, Xiaoxuan Liu, Huanchen Zhang, and Alvin Cheung
    Proc. ACM Manag. Data,
    PDF Slides
  3. VLDB’2026
    Scalable Approximate Biclique Counting over Large Bipartite Graphs
    Jingbang Chen, Weinuo Li, Yingli Zhou, Hangrui Zhou, Qiuyang Mang, Can Wang, Yixiang Fang, and Chenhao Ma
    PDF

2025

  1. VLDB’2025
    Efficient Historical Butterfly Counting in Large Temporal Bipartite Networks via Graph Structure-aware Index
    Qiuyang Mang*, Jingbang Chen*, Hangrui Zhou*, Yu Gao, Yingli Zhou, Richard Peng, Yixiang Fang, and Chenhao Ma
    PDF Code
  2. SIGMOD’2025
    Finding Logic Bugs in Spatial Database Engines via Affine Equivalent Inputs
    Wenjing Deng, Qiuyang Mang, Chengyu Zhang, and Manuel Rigger
    Proc. ACM Manag. Data, Berlin, Germany,
    PDF Code Poster
  3. SIGMOD’2025
    Finding Logic Bugs in Graph-processing Systems via Graph-cutting
    Qiuyang Mang, Jinsheng Ba, Pinjia He, and Manuel Rigger
    Proc. ACM Manag. Data, Berlin, Germany,
    PDF Code Poster

2024

  1. ICSE’2024
    Testing Graph Database Systems via Equivalent Query Rewriting
    Qiuyang Mang*, Aoyang Fang*, Boxi Yu, Hanfei Chen, and Pinjia He
    Proceedings of the 46th International Conference on Software Engineering, Lisbon, Portugal,
    PDF Code
  2. KDD’2024
    Scalable Algorithm for Finding Balanced Subgraphs with Tolerance in Signed Networks
    Jingbang Chen*, Qiuyang Mang*, Hangrui Zhou*, Richard Peng, Yu Gao, and Chenhao Ma
    Proceedings of the 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining,
    PDF Code

2023

  1. ESEC/FSE’2023
    Automated Testing and Improvement of Named Entity Recognition Systems
    Boxi Yu, Yiyan Hu, Qiuyang Mang, Wenhan Hu, and Pinjia He
    Proceedings of the 31st ACM Joint European Software Engineering Conference and Symposium on the Foundations of Software Engineering, ESEC/FSE 2023, San Francisco, CA, USA,
    PDF Code

Manuscript

  1. AdaEvolve: Adaptive LLM Driven Zeroth-Order Optimization
    Mert Cemri, Shubham Agrawal, Akshat Gupta, Shu Liu, Audrey Cheng, Qiuyang Mang, Ashwin Naren, Lutfi Eren Erdogan, Koushik Sen, Matei Zaharia, Alex Dimakis, and Ion Stoica
    PDF
  2. FrontierCS: Evolving Challenges for Evolving Intelligence
    Qiuyang Mang*, Wenhao Chai*, Zhifei Li*, Huanzhi Mao*, Shang Zhou*, Alexander Du*, Hanchen Li*, Shu Liu*, Edwin Chen, Yichuan Wang, Xieting Chu, Zerui Cheng, and 39 more authors
    PDF
  3. Curing Miracle Steps in LLM Mathematical Reasoning with Rubric Rewards
    Youliang Yuan, Qiuyang Mang, Jingbang Chen, Hong Wan, Xiaoyuan Liu, Junjielong Xu, Jen-tse Huang, Wenxuan Wang, Wenxiang Jiao, and Pinjia He
    PDF
  4. Continuum: Efficient and Robust Multi-Turn LLM Agent Scheduling with KV Cache Time-to-Live
    Hanchen Li, Qiuyang Mang, Runyuan He, Qizheng Zhang, Huanzhi Mao, Xiaokun Chen, Alvin Cheung, Joseph Gonzalez, and Ion Stoica
    PDF Code
  5. Nearly Optimal Internal Dictionary Matching
    Jingbang Chen*, Jiangqi Dai*, Qiuyang Mang*, Qingyu Shi*, and Tingqiang Xu*
    PDF
  6. Retromorphic Testing: A New Approach to the Test Oracle Problem
    Boxi Yu*, Qiuyang Mang*, Qingshuo Guo, and Pinjia He
    PDF Code