A security mechanism of Smart Grid AMI network through smart device mutual authentication. - Sangji Lee; Jinsuk Bong; Sunhee Shin; Yongtae Shin (ICOIN, 2014)

NOVI : Chatbot System for University Novice with BERT and LLMs. - Yoonji Nam; TaeWoong Seo; Gyeongcheol Shin; Sangji Lee; JaeEun Im (CoRR, 2024)

Ethereum Smart Contract Account Classification and Transaction Prediction Using the Graph Attention Network. - Hankyeong Ko; Sangji Lee; Jungwon Seo (J. Web Eng., 2024)

Inside and Outside the Virtual Study Room: An Exploratory Study of Student Practices and Perceptions. - Sangji Lee; Taewon Yoo; Eunil Park (ECSCW, 2025)