Overcoming Data Imbalance in Federated Learning with Calibration Weighting. - Nathaniel Kang; Yugyeong Lim; Jongho Im (IEEE Big Data, 2024)

Optimizing Federated Learning: Addressing Key Challenges in Real-World Applications. - Nathaniel Kang; Yugyeong Lim; Jongho Im (IEEE Internet Things J., 2025)

Online News-Based Economic Sentiment Index. - Nathaniel Kang; Dongeun Min; Yonghun Cho; Dong-Whan Ko; Hyun Hak Kim; Joon Yeon Choeh; Jongho Im (IEEE Trans. Big Data, 2025)