collaborators

7 papers

cs.CL2026

Evidence-Consistent Generative Detection under Scenario-Level Distribution Shift

San Kim, JinYeong Bak

Conventional in-distribution evaluation can overestimate robustness when training and test data share recurring task-specific patterns or surface cues. This risk is especially rele…

cs.CL2026

MindTailor: Personalized Emotional Support via Post History-Grounded Case Formulation and Collaborative Refinement

Suhyun Han, Kyunghyun Cho, JinYeong Bak

As mental health concerns continue to rise globally, social media has emerged as a vital space where individuals seek emotional support. While prior work on personalized emotional…

cs.IR2026

Temporal Preference Optimization for Unsupervised Retrieval

HyunJin Kim, Jaejun Shim, Young Jin Kim +1

Unsupervised dense retrievers offer scalability by learning semantic similarity from unlabeled documents via contrastive learning, but they struggle to capture the temporal relevan…

cs.CL2026

Distributional Open-Ended Evaluation of LLM Cultural Value Alignment Based on Value Codebook

Jaehyeok Lee, Xiaoyuan Yi, Jing Yao +4

As LLMs are globally deployed, aligning their cultural value orientations is critical for safety and user engagement. However, existing benchmarks face the Construct-Composition-Co…

cs.CL2026

Camellia: Benchmarking Cultural Biases in LLMs for Asian Languages

Tarek Naous, Anagha Savit, Carlos Rafael Catalan +17

As Large Language Models (LLMs) develop stronger multilingual capabilities, their sensitivity to culturally diverse entities becomes increasingly important. Prior work by Naous et…

cs.LG2025

Self-Training Meets Consistency: Improving LLMs' Reasoning with Consistency-Driven Rationale Evaluation

Jaehyeok Lee, Keisuke Sakaguchi, JinYeong Bak

Self-training approach for large language models (LLMs) improves reasoning abilities by training the models on their self-generated rationales. Previous approaches have labeled rat…