Toward a Multilingual Conversational Agent: Challenges and Expectations of Code-mixing Multilingual Users. - Yunjae J. Choi; Minha Lee; Sangsu Lee (CHI, 2023)

Unveiling the Inherent Needs: GPT Builder as Participatory Design Tool for Exploring Needs and Expectation of AI with Middle-Aged Users. - Huisung Kwon; Yunjae Josephine Choi; Sunok Lee; Sangsu Lee (CHI Extended Abstracts, 2024)

"Hello, This Is a Voice Assistant Calling": When a Human Voice Calls Claiming to Be a Machine on an Ordinary Day. - Jeesun Oh; Yunjae J. Choi; Sangsu Lee (Conference on Designing Interactive Systems, 2025)