Weak Subdifferential in Nonsmooth Analysis and Optimization. - Sahlar F. Meherrem; Refet Polat (J. Appl. Math., 2011)

Graph Operations and Neighbor Rupture Degree. - Saadet KandIlcI; Goksen Bacak-Turan; Refet Polat (J. Appl. Math., 2013)

Analyzing learning concepts in intelligent tutoring systems. - Korhan Günel; Refet Polat; Mehmet Kurt (Int. Arab J. Inf. Technol., 2016)

A Feature Selection Application Using Particle Swarm Optimization for Learning Concept Detection. - Korhan Günel; Kazim Erdogdu; Refet Polat; Yasin Özarslan (WorldCIST (2), 2017)

An empirical study on evolutionary feature selection in intelligent tutors for learning concept detection. - Korhan Günel; Kazim Erdogdu; Refet Polat; Yasin Özarslan (Expert Syst. J. Knowl. Eng., 2019)