collaborators

5 papers

cs.CL2026

Measuring Sycophancy of Language Models in Multi-turn Dialogues

Jiseung Hong, Grace Byun, Seungone Kim +2

Large Language Models (LLMs) are expected to provide helpful and harmless responses, yet they often exhibit sycophancy--conforming to user beliefs regardless of factual accuracy or…

cs.CL2026

CRADLE Bench: A Clinician-Annotated Benchmark for Multi-Faceted Mental Health Crisis and Safety Risk Detection

Grace Byun, Rebecca Lipschutz, Sean T. Minton +2

Detecting mental health crisis situations such as suicide ideation, rape, domestic violence, child abuse, and sexual harassment is a critical yet underexplored challenge for langua…

cs.AI2025

Reference-Aligned Retrieval-Augmented Question Answering over Heterogeneous Proprietary Documents

Nayoung Choi, Grace Byun, Andrew Chung +3

Proprietary corporate documents contain rich domain-specific knowledge, but their overwhelming volume and disorganized structure make it difficult even for employees to access the…

cs.CL2025

D-GEN: Automatic Distractor Generation and Evaluation for Reliable Assessment of Generative Model

Grace Byun, Jinho D. Choi

Evaluating generative models with open-ended generation is challenging due to inconsistencies in response formats. Multiple-choice (MC) evaluation mitigates this issue, but generat…

cs.CL2025

How does a Language-Specific Tokenizer affect LLMs?

Jean Seo, Jaeyoon Kim, SungJoo Byun +1

The necessity of language-specific tokenizers intuitively appears crucial for effective natural language processing, yet empirical analyses on their significance and underlying rea…