• Article  

      Internet-based Indoor Navigation Services 

      Zeinalipour-Yazdi, Constantinos D.; Laoudias, Christos; Georgiou, K.; Chatzimilioudis, Georgios (2017)
      The advances of smartphone technology in recent years is leading to the uptake of a new class of Internet-based Indoor Navigation (IIN) services, which might soon diminish the need of Satellite-based technologies in urban ...
    • Article  

      On supporting security and privacy-preserving interaction through adaptive usable security 

      Belk, Marios; Fidas, Christos A.; Germanakos, Panagiotis; Samaras, George S. (2014)
      The purpose of this paper is to propose a preliminary framework for supporting usable security on the World Wide Web through adaptivity in user interface designs. In particular we elaborate the concept of "Adaptive Usable ...
    • Article  

      Risk modeling and analysis of interdependencies of critical infrastructures using colored timed petri nets 

      Agathangelou, Chrysovalandis; Georgiou, Chryssis; Papailiou, Ileana; Philippou, Anna; Pouis, Loucas; Tertytchny, G.; Vakana, Despina (2015)
      Petri Nets (PNs) and their variations are a graphical, mathematical language that can be used for the specification, analysis and verification of discrete event systems, including Critical Infrastructures (CIs). Colored ...