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Bongkyu Hwang

2 accepted papers

2025

Correcting Negative Bias in Large Language Models through Negative Attention Score Alignment

NAACL 2025long

A binary decision task, like yes-no questions or answer verification, reflects a significant real-world scenario such as where users look for confirmation about the correctness of their decisions on specific issues. In this work, we observe that language models exhibit a negative bias in the binary…

2023

Model Intrinsic Features of Fine-tuning based Text Summarization Models for Factual Consistency

ACL 2023findings

In this study, we analyze the model intrinsic features of a summarization model by varying the fine-tuning objectives and datasets. We fine-tune BART models combining three fine-tuning objectives (negative log-likelihood, unlikelihood, and contrastive loss) and two datasets (CNN/DailyMail and XSum)…