2024 2024 ICSE’2024 Testing Graph Database Systems via Equivalent Query Rewriting Qiuyang Mang*, Aoyang Fang*, Boxi Yu, Hanfei Chen, and Pinjia He ICSE’24: International Conference on Software Engineering, 2024 PDF Code KDD’2024 Scalable Algorithm for Finding Balanced Subgraphs with Tolerance in Signed Networks Jingbang Chen*, Qiuyang Mang*, Hangrui Zhou*, Richard Peng, Yu Gao, and 1 more author KDD’24: the 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining, 2024 PDF Code 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, 2024 2023 2023 ESEC/FSE’2023 Automated Testing and Improvement of Named Entity Recognition Systems Boxi Yu, Yiyan Hu, Qiuyang Mang, Wenhan Hu, and Pinjia He ESEC/FSE’23: Joint European Software Engineering Conference and Symposium on the Foundations of Software Engineering, 2023 PDF Code Manuscript Manuscript Nearly Optimal Internal Dictionary Matching Jingbang Chen, Jiangqi Dai, Qiuyang Mang, Qingyu Shi, and Tingqiang Xu Manuscript PDF Retromorphic Testing: A New Approach to the Test Oracle Problem Boxi Yu*, Qiuyang Mang*, Qingshuo Guo, and Pinjia He Manuscript PDF Code Efficient Historical Butterfly Counting in Large Temporal Bipartite Networks via Graph Structure-aware Index Qiuyang Mang*, Jingbang Chen*, Hangrui Zhou*, Yu Gao, Yingli Zhou, and 3 more authors Manuscript PDF Code