activity
20242026
collaborators

8 papers

cs.CL2026

PetQA: Benchmarking Veterinary Knowledge and Clinical Reasoning

Taegyun Kim, Youngwook Ham, Jungwook Rhim +3

We introduce PetQA, a Korean long-form question-answering (QA) benchmark for evaluating veterinary knowledge and clinical reasoning in large language models (LLMs) and large vision…

cs.CL2026

Is a Picture Worth a Thousand Words? Adaptive Multimodal Fact-Checking with Visual Evidence Necessity

Jaeyoon Jung, Yejun Yoon, Kunwoo Park

Automated fact-checking is a crucial task that supports a responsible information ecosystem. While recent research has progressed from text-only to multimodal fact-checking, a prev…

cs.CL2026

VILLAIN at AVerImaTeC: Verifying Image-Text Claims via Multi-Agent Collaboration

Jaeyoon Jung, Yejun Yoon, Kunwoo Park

This paper describes VILLAIN, a multimodal fact-checking system that verifies image-text claims through prompt-based multi-agent collaboration. For the AVerImaTeC shared task, VILL…

cs.CL2025

Team HUMANE at AVeriTeC 2025: HerO 2 for Efficient Fact Verification

Yejun Yoon, Jaeyoon Jung, Seunghyun Yoon +1

This paper presents HerO 2, Team HUMANE's system for the AVeriTeC shared task at the FEVER-25 workshop. HerO 2 is an enhanced version of HerO, the best-performing open-source model…

cs.CL2025

Hypothetical Documents or Knowledge Leakage? Rethinking LLM-based Query Expansion

Yejun Yoon, Jaeyoon Jung, Seunghyun Yoon +1

Query expansion methods powered by large language models (LLMs) have demonstrated effectiveness in zero-shot retrieval tasks. These methods assume that LLMs can generate hypothetic…

cs.CL2024

HerO at AVeriTeC: The Herd of Open Large Language Models for Verifying Real-World Claims

Yejun Yoon, Jaeyoon Jung, Seunghyun Yoon +1

To tackle the AVeriTeC shared task hosted by the FEVER-24, we introduce a system that only employs publicly available large language models (LLMs) for each step of automated fact-c…

cs.CL2024

ChatGPT Rates Natural Language Explanation Quality Like Humans: But on Which Scales?

Fan Huang, Haewoon Kwak, Kunwoo Park +1

As AI becomes more integral in our lives, the need for transparency and responsibility grows. While natural language explanations (NLEs) are vital for clarifying the reasoning behi…

cs.CL2024

Assessing News Thumbnail Representativeness: Counterfactual text can enhance the cross-modal matching ability

Yejun Yoon, Seunghyun Yoon, Kunwoo Park

This paper addresses the critical challenge of assessing the representativeness of news thumbnail images, which often serve as the first visual engagement for readers when an artic…