• Conference Object  

      Influences of users' cognitive strategies on graphical password composition 

      Katsini, Christina P.; Fidas, Christos A.; Belk, Marios; Avouris, Nikolaos M.; Samaras, George S. (Association for Computing Machinery, 2017)
      Recent research reveals interaction effects among human cognitive processing factors, interaction device types and user authentication schemes towards security of user created graphical keys. Aiming to investigate how ...
    • Article  

      The interplay between humans, technology and user authentication: A cognitive processing perspective 

      Belk, Marios; Fidas, Christos A.; Germanakos, Panagiotis; Samaras, George S. (2017)
      This paper investigates the interplay among human cognitive processing differences (field dependence vs. field independence), alternative interaction device types (desktop vs. touch) and user authentication schemes (textual ...
    • Conference Object  

      Towards a human-centered E-Commerce personalization framework 

      Belk, Marios; Germanakos, Panagiotis; Andreou, Panayiotis G.; Samaras, George S. (Institute of Electrical and Electronics Engineers Inc., 2016)
      This paper presents a personalization framework, namely PersonaWeb that adapts the visual and interaction design of E-Commerce Web environments based on human cognitive differences. In particular, it describes a user model ...