Publications
2026
2025
Ask-Before-Detection: Identifying and Mitigating Conformity Bias in LLM-Powered Error Detector for Math Word Problem Solutions
Hang Li, Tianlong Xu, Kaiqi Yang, Yucheng Chu, Yanling Chen, Yichi Song, Qingsong Wen, Hui Liu
The 63rd Annual Meeting of the Association for Computational Linguistics (ACL) , 2025
Ask-Before-Detection: Identifying and Mitigating Conformity Bias in LLM-Powered Error Detector for Math Word Problem Solutions
Hang Li, Tianlong Xu, Kaiqi Yang, Yucheng Chu, Yanling Chen, Yichi Song, Qingsong Wen, Hui Liu
The 63rd Annual Meeting of the Association for Computational Linguistics (ACL) , 2025
2024
2023
Preprints
2026
Exploring Prompt Injection Attacks on LLM-Based Automatic Grading Systems
Hang Li*, Fedor Filippov*, Yuping Lin, Pengfei He, Kaiqi Yang, Yucheng Chu, Yingqian Cui, Hui Liu, Jiliang Tang (* equal contribution)
arXiv preprint arXiv:2606.03090 , 2026
Exploring Prompt Injection Attacks on LLM-Based Automatic Grading Systems
Hang Li*, Fedor Filippov*, Yuping Lin, Pengfei He, Kaiqi Yang, Yucheng Chu, Yingqian Cui, Hui Liu, Jiliang Tang (* equal contribution)
arXiv preprint arXiv:2606.03090 , 2026
Think-Before-Speak: From Internal Evaluation to Public Expression in Multi-Agent Social Simulation
Kaiqi Yang, Tai-Quan Peng, Sanguk Lee, Hui Liu
arXiv preprint arXiv:2606.03137 , 2026 (presented at KDD'26 Workshop on Agentic AI for Scientific and Societal Advances)
Think-Before-Speak: From Internal Evaluation to Public Expression in Multi-Agent Social Simulation
Kaiqi Yang, Tai-Quan Peng, Sanguk Lee, Hui Liu
arXiv preprint arXiv:2606.03137 , 2026 (presented at KDD'26 Workshop on Agentic AI for Scientific and Societal Advances)
How Uncertain Is the Grade? A Benchmark of Uncertainty Metrics for LLM-Based Automatic Assessment
Kaiqi Yang*, Hang Li*, Xianxuan Long, Fedor Filippov, Yucheng Chu, Yasemin Copur-Gencturk, Peng He, Cory Miller, Namsoo Shin, Joseph Krajcik, Hui Liu, Jiliang Tang (* equal contribution)
arXiv preprint arXiv:2602.16039 , 2026
How Uncertain Is the Grade? A Benchmark of Uncertainty Metrics for LLM-Based Automatic Assessment
Kaiqi Yang*, Hang Li*, Xianxuan Long, Fedor Filippov, Yucheng Chu, Yasemin Copur-Gencturk, Peng He, Cory Miller, Namsoo Shin, Joseph Krajcik, Hui Liu, Jiliang Tang (* equal contribution)
arXiv preprint arXiv:2602.16039 , 2026
2025
Exploring Solution Divergence and Its Effect on Large Language Model Problem Solving
Hang Li, Kaiqi Yang, Yucheng Chu, Hui Liu, Jiliang Tang
arXiv preprint arXiv:2509.22480 , 2025
Exploring Solution Divergence and Its Effect on Large Language Model Problem Solving
Hang Li, Kaiqi Yang, Yucheng Chu, Hui Liu, Jiliang Tang
arXiv preprint arXiv:2509.22480 , 2025
Enhancing LLM-Based Short Answer Grading with Retrieval-Augmented Generation
Yucheng Chu, Peng He, Hang Li, Haoyu Han, Kaiqi Yang, Yu Xue, Tingting Li, Joseph Krajcik, Jiliang Tang
arXiv preprint arXiv:2504.05276 , 2025
Enhancing LLM-Based Short Answer Grading with Retrieval-Augmented Generation
Yucheng Chu, Peng He, Hang Li, Haoyu Han, Kaiqi Yang, Yu Xue, Tingting Li, Joseph Krajcik, Jiliang Tang
arXiv preprint arXiv:2504.05276 , 2025
2024
Exploring Social Desirability Response Bias in Large Language Models: Evidence from GPT-4 Simulations
Sanguk Lee*, Kaiqi Yang*, Tai-Quan Peng, Ruth Heo, Hui Liu (* equal contribution)
arXiv preprint arXiv:2410.15442 , 2024
Exploring Social Desirability Response Bias in Large Language Models: Evidence from GPT-4 Simulations
Sanguk Lee*, Kaiqi Yang*, Tai-Quan Peng, Ruth Heo, Hui Liu (* equal contribution)
arXiv preprint arXiv:2410.15442 , 2024
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