Note recognition-based mobile application for guitar training. - Meric Turan; Çagatay Demirel; Gökhan Ince (SIU, 2017)

Estimation of musical features using EEG signals. - Cagatay Demirel; Ugur Can Akkaya; Murat Yalçin; Gökhan Ince (SIU, 2018)

Controlling a robot with extraocular muscles using EEG device. - Cagatay Demirel; Hasan Kandemir; Hatice Kose (SIU, 2018)

A Multi-Modal Support System for Voice Therapy. - Hasan Can Aydan; Çagatay Demirel; Gökhan Ince; Ismail Koçak (SIU, 2019)

Single-channel EOG-based human-machine interface with exploratory assessments using harmonic source separation. - Çagatay Demirel; Livia Regus; Hatice Köse (CoRR, 2022)

Click prediction boosting via Bayesian hyperparameter optimization-based ensemble learning pipelines. - Çagatay Demirel; A. Aylin Tokuç; Ahmet Tezcan Tekin (Intell. Syst. Appl., 2023)

RocketStack: A level-aware deep recursive ensemble learning framework with exploratory feature fusion and model pruning dynamics. - Çagatay Demirel (CoRR, 2025)