Papers by Myunsoo Kim
Rethinking DPO: The Role of Rejected Responses in Preference Misalignment (2025.findings-emnlp)
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| Challenge: | Existing methods that optimize for preferred responses struggle to meet primary objectives . rejected responses dominate the loss function, leading to suboptimal performance . |
| Approach: | They propose a method that bounds the influence of rejected responses while maintaining the original structure of DPO. |
| Outcome: | The proposed method outperforms existing algorithms in promoting preferred responses. |
GraphMind: LLMs as Dynamic Knowledge Builders for Sequential Decision-Making (2026.findings-acl)
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| Challenge: | Large language models (LLMs) have demonstrated remarkable performance in natural language understanding and generation, establishing themselves as foundational tools across a wide range of domains. |
| Approach: | They propose an LLM agent architecture that integrates a knowledge graph as a graph-based memory module and integrates it into the agent to generate efficient plans. |
| Outcome: | The proposed architecture improves the performance and efficiency of the LLM in navigation tasks designed to present long-horizon and partially observable challenges. |