A classification problem of credit risk rating investigated and solved by optimisation of the ROC curve. - Efsun Kürüm; S. Kasirga Yildirak; Gerhard-Wilhelm Weber (Central Eur. J. Oper. Res., 2012)

Early warning on stock market bubbles via methods of optimization, clustering and inverse problems. - Efsun Kürüm; Gerhard-Wilhelm Weber; Cem Iyigun (Ann. Oper. Res., 2018)