Champion-challenger analysis for credit card fraud detection: Hybrid ensemble and deep learning. - Eunji Kim 001; Jehyuk Lee; Hunsik Shin; Hoseong Yang; Sungzoon Cho; Seung-kwan Nam; Youngmi Song; Jeong-a Yoon; Jong-il Kim (Expert Syst. Appl., 2019)

A medical treatment based scoring model to detect abusive institutions. - Jehyuk Lee; Hunsik Shin; Sungzoon Cho (J. Biomed. Informatics, 2020)

A scoring model to detect abusive medical institutions based on patient classification system: Diagnosis-related group and ambulatory patient group. - Hunsik Shin; Jehyuk Lee; Yongdae An; Sungzoon Cho (J. Biomed. Informatics, 2021)

General-use unsupervised keyword extraction model for keyword analysis. - Hunsik Shin; Hye Jin Lee; Sungzoon Cho (Expert Syst. Appl., 2023)