activity
20242026
collaborators

6 papers

cs.HC2026

Tinker Tales: A Tangible Dialogue System for Child-AI Co-Creative Storytelling

Nayoung Choi, Jiseung Hong, Peace Cyebukayire +2

Conversational AI agents are increasingly explored as creative partners, yet how conversation design shapes child-AI dialogue in co-creative settings remains underexplored. We pres…

cs.AI2026

Hierarchical Multi-Persona Induction from User Behavioral Logs: Learning Evidence-Grounded and Truthful Personas

Nayoung Choi, Haeyu Jeong, Changbong Kim +2

Behavioral logs provide rich signals for user modeling, but are noisy and interleaved across diverse intents. Recent work uses LLMs to generate interpretable natural-language perso…

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.HC2025

Tinker Tales: Interactive Storytelling Framework for Early Childhood Narrative Development and AI Literacy

Nayoung Choi, Peace Cyebukayire, Jinho D. Choi

This paper presents Tinker Tales, an interactive storytelling framework in the format of a board game, designed to support both narrative development and AI literacy in early child…

cs.IR2025

Taxonomy and Analysis of Sensitive User Queries in Generative AI Search

Hwiyeol Jo, Taiwoo Park, Hyunwoo Lee +10

Although there has been a growing interest among industries in integrating generative LLMs into their services, limited experience and scarcity of resources act as a barrier in lau…

cs.IR2024

RRADistill: Distilling LLMs' Passage Ranking Ability for Long-Tail Queries Document Re-Ranking on a Search Engine

Nayoung Choi, Youngjune Lee, Gyu-Hwung Cho +10

Large Language Models (LLMs) excel at understanding the semantic relationships between queries and documents, even with lengthy and complex long-tail queries. These queries are cha…