Gender identification through facebook data analysis using machine learning techniques. - Polixeni Kiratsa; George K. Sidiropoulos; E. V. Badeka; Cristina I. Papadopoulou; A. P. Nikolaou; George A. Papakostas (PCI, 2018)

Feature Extraction for Finger-Vein-Based Identity Recognition. - George K. Sidiropoulos; Polixeni Kiratsa; Petros Chatzipetrou; George A. Papakostas (J. Imaging, 2021)