collaborators

5 papers

cs.AI2026

Reasoning Externalization for Faithful Large Language Model Narratives of Stock Return Predictions

Sujung Kim, Seung Hwan Cho, Sangjin Park +1

In finance, interpreting machine learning predictions is essential, yet the numerical outputs of explainable AI can be difficult for non-experts to understand. While large language…

cs.CL2026

CARRE: Counterfactual Action Retrieval and Reason Evaluation for Explainable Churn Prescription

Minjoo Kim, Sangjin Park, Seung Hwan Cho

Churn models typically identify high-risk customers but do not specify which feasible retention action should be considered or why that action is appropriate. We present CARRE (Cou…

cs.IR2026

MedJudgeRAG: Option-Wise Evidence Judgment with Dynamic Knowledge Graphs for Medical MCQA

Seongwon Seo, Seung Hwan Cho, Young-Min Kim

In medical multiple-choice question answering (MCQA), Retrieval-Augmented Generation (RAG) can supplement the domain knowledge of language models (LMs). However, since vanilla RAG…

cs.CL2026

Multi-task Learning is Not Enough: Representational Entanglement in Dual-output Second Language Speech Recognition

Seung Hwan Cho, Young-Min Kim

Second-language (L2) speech recognition often requires transcriptions of pronunciations and intended meanings. Multi-task learning (MTL) is a natural approach because it assumes th…

cs.IR2025

MARC: Multimodal and Multi-Task Agentic Retrieval-Augmented Generation for Cold-Start Recommender System

Seung Hwan Cho, Yujin Yang, Danik Baeck +4

Recommender systems (RS) are currently being studied to mitigate limitations during cold-start conditions by leveraging modality information or introducing Agent concepts based on…