A multiclass hybrid approach to estimating software vulnerability vectors and severity score. - Hakan Kekül; Burhan Ergen; Halil Arslan (J. Inf. Secur. Appl., 2021)

Yazılım güvenlik açıklarının skorlanması ve kategorisinin belirlenmesinde yeni bir yöntem (A new method to determine scoring and category of software vulnerabilities) - Hakan Kekül (2022)

Estimating vulnerability metrics with word embedding and multiclass classification methods. - Hakan Kekül; Burhan Ergen; Halil Arslan (Int. J. Inf. Sec., 2024)

Developing a new ensemble method for sentiment analysis in mobile assisted language learning: a case study for Duolingo. - Hakan Kekül; Mesut Polatgil (Int. J. Mob. Learn. Organisation, 2025)