Papers by Haiming Qin
Prototype-based Prompt-Instance Interaction with Causal Intervention for Few-shot Event Detection (2024.lrec-main)
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| Challenge: | Few-shot Event Detection (FSED) requires limited labeled data and expensive manual labeling. |
| Approach: | They propose a prototype-based prompt-instance Interaction with causal Intervention model to utilize both prompts and verbalizers and effectively eliminate all biases. |
| Outcome: | The proposed model utilizes both prompts and verbalizers and eliminates all biases on RAMS and ACE datasets. |
Knowing-but-Doing: Diagnosing and Defending Role-Play-Driven LLMs Jailbreaks via Moral Disengagement (2026.findings-acl)
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| Challenge: | Large Language Models (LLMs) are increasingly used in role-play scenarios, but their safety implications remain under-characterized. |
| Approach: | They propose a diagnostic benchmark for role-play jailbreaks based on Bandura’s Moral Disengagement theory and propose 'MD-Trace' based defense that reduces attack success while maintaining Role Fidelity. |
| Outcome: | The proposed framework improves safety behavior for benign personas while increasing unsafe compliance for malicious ones. |
Toward Consistent World Models with Multi-Token Prediction and Latent Semantic Enhancement (2026.acl-long)
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| Challenge: | Existing methods to learn internal world models rely on one-step supervision . however, standard MTP suffers from structural hallucinations . |
| Approach: | They propose a method which anchors predictions to ground-truth hidden state trajectories. |
| Outcome: | The proposed method bridges the gap between discrete tokens and continuous state representations, reducing structural hallucinations, and improving robustness to perturbations. |
PersonaArena: Dynamic Simulation for Evaluating and Enhancing Persona-Level Role-Playing in Large Language Models (2026.findings-acl)
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| Challenge: | Existing research focuses on character-level settings and static evaluation formats fail to capture the complexity of everyday social interactions. |
| Approach: | They propose a dynamic simulation framework for evaluating and improving persona-level role-playing in large language models (LLMs). |
| Outcome: | The proposed framework leverages user-generated social content to construct a nuanced persona bank and elicits multi-turn, context-rich interactions within simulated social environments. |
Hierarchical Reward Modeling for Fault Localization in Large Code Repositories (2025.findings-emnlp)
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| Challenge: | Large Language Models (LLMs) have limited fault localization capabilities due to limited context length. |
| Approach: | They propose a hierarchical localization reward model to evaluate and select the most accurate fault localization candidates from the outputs of LLMs. |
| Outcome: | The proposed model improves the final line-level localization recall by 12% on the SWE-Bench-Lite dataset. |
R-CHAR: A Metacognition-Driven Framework for Role-Playing in Large Language Models (2025.emnlp-main)
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| Challenge: | Existing role-playing structures lack cognitive consistency in complex scenarios . Existing models excel in math and coding tasks but lack coherent reasoning . |
| Approach: | They propose a metacognition-driven framework that enhances role-playing performance . experimental results show performance improvements across varying scenario complexities . |
| Outcome: | The proposed framework outperforms existing models in social intelligence tasks and shows strength in long-context comprehension and group-level social interactions. |