Papers by Jihwan Kim
Learning to Verify Summary Facts with Fine-Grained LLM Feedback (2025.coling-main)
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| Challenge: | Recent advances in large language models (LLMs) have significantly enhanced the text summarization performance, but hallucination issues still occur in summaries. |
| Approach: | They propose a large-scale dataset containing fine-grained factual feedback on summaries that can be fine tuned by using Large Language Models (LLMs) they employ 10 distinct LLMs for diverse summary generation and Llama-3-70B-Instruct for feedback. |
| Outcome: | The proposed model outperforms models trained on smaller human-annotated datasets while maintaining high performance. |
VoiceBBQ: Investigating Effect of Content and Acoustics in Social Bias of Spoken Language Model (2025.emnlp-main)
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| Challenge: | Due to the nature of speech modality, social bias in Spoken Language Models (SLMs) can emerge from two distinct sources: 1) content aspect and 2) acoustic aspect. |
| Approach: | They propose a dataset that measures social bias by presenting ambiguous or disambiguated contexts followed by questions that may elicit stereotypical responses. |
| Outcome: | The proposed dataset converts every BBQ context into controlled voice conditions, enabling per-axis accuracy, bias, and consistency scores comparable to the original text benchmark. |
MERIT Feedback Elicits Better Bargaining in LLM Negotiators (2026.acl-long)
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| Challenge: | Empirical results indicate that baseline LLM strategies diverge from human preferences, while our mechanism substantially improves negotiation performance. |
| Approach: | They propose a utility feedback centric framework that measures human-aligned, economically grounded metrics that implicitly measure how well the negotiation aligns with human preference. |
| Outcome: | The proposed framework significantly improves negotiation performance, yielding deeper strategic behavior and stronger opponent awareness. |
Locale-agnostic Universal Domain Classification Model in Spoken Language Understanding (N19-2)
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| Challenge: | Existing approaches to leveraging data across locales to improve domain classification accuracy are ineffective. |
| Approach: | They propose a locale-agnostic universal domain classification model that leverages available data across locales sharing the same language to improve domain classification accuracy. |
| Outcome: | The proposed model outperforms baseline models especially when classifying locale-specific domains and low-resourced domains. |
Sommelier: Scalable Open Multi-turn Audio Pre-processing for Full-duplex Speech Language Models (2026.acl-industry)
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| Challenge: | Existing high-quality conversational data is limited for full-duplex models . overlapping and backchanneling are a challenge for most systems . |
| Approach: | They propose a robust and scalable open-source data processing pipeline for full-duplex models. |
| Outcome: | The proposed pipeline can listen and speak simultaneously, supporting more fluid and human-like interaction. |
Retrieve Only Relevant Tables Whether Few or Many: Adaptive Table Retrieval Method (2026.findings-acl)
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| Challenge: | Existing methods for retrieving relevant tables from databases are limited by the number of tables required. |
| Approach: | They propose an adaptive table retrieval method that adjusts the number of tables retrieved according to the requirements of each query. |
| Outcome: | Experiments on Spider, BIRD, and Spider 2.0 show that the proposed method improves performance and retrieval and downstream tasks. |
Learning Contextual Retrieval for Robust Conversational Search (2025.emnlp-main)
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| Challenge: | Effective conversational search requires a deep understanding of user intent across multiple dialogue turns. |
| Approach: | They propose a novel LLM-based retriever that directly incorporates conversational context into the retrieval process. |
| Outcome: | The proposed method outperforms existing methods while incurring no additional inference overhead. |
Continuous Learning for Large-scale Personalized Domain Classification (N19-1)
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| Challenge: | Domain classification is the task to map spoken language utterances to one of the natural language understanding domains in intelligent personal digital assistants. |
| Approach: | They propose a neural-based approach for continuous domain adaption with normalization and regularization to accommodate new domains. |
| Outcome: | The proposed approach outperforms baseline methods on accommodated new domains and existing known domains by a large margin. |
VisEscape: A Benchmark for Evaluating Exploration-driven Decision-making in Virtual Escape Rooms (2025.emnlp-main)
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| Challenge: | Existing studies on embodied agents have addressed the importance of exploration in environments where tasks and solutions are not predefined. |
| Approach: | They propose a virtual escape room that evaluates AI models in a dynamic environment . they propose to integrate memory management and reasoning into the simulation . |
| Outcome: | The proposed model improves in dynamic and exploration-driven environments by integrating memory management and reasoning. |