Browsing by Author "Samaras, George S."

Now showing items 61-80 of 179

    • Article  

      A grid service framework for metadata management in self-e-learning networks 

      Samaras, George S.; Karenos, K.; Christodoulou, Eleni (2004)
      Metadata management is critical for Grid systems. More specifically, semantically meaningful resource descriptions constitute a highly beneficial extension to Grid environments that started to gain significant attention. ...
    • Conference Object  

      HAAPIE 2016: 1st international workshop on human aspects in adaptive and personalized interactive environments: Preface 

      Germanakos, Panagiotis; Belk, Marios; Samaras, George S.; Dimitrova, V. (CEUR-WS, 2016)
      Nowadays, the profound digital transformation has upgraded the role of the computational system into an intelligent multidimensional communication medium that creates new opportunities, competencies, models and processes. ...
    • Conference Object  

      High-dimensional visual similarity search: K-d generalized randomized forests [extended abstract] 

      Avrithis, Yannis S.; Emiris, Ioannis Z.; Samaras, George S. (Association for Computing Machinery, 2016)
      We propose a new data-structure, the generalized random-ized k-d forest, or k-d GeRaF, for approximate nearest neigh-bor searching in high dimensions. In particular, we intro-duce new randomization techniques to specify a ...
    • Article  

      A human cognitive processing perspective in designing E-Commerce checkout processes 

      Belk, Marios; Germanakos, Panagiotis; Constantinides, Anthony G.; Samaras, George S. (2015)
      Designing a usable checkout process is of paramount importance for both E-Commerce and M-Commerce success. Aiming to understand human-computer interactions during checkout and improve the usability and user experience of ...
    • Conference Object  

      ICT systems and services for Ageing Well: Identification and assessment of an important set (package) of ICT services for active ageing and independent living 

      Christophorou, C.; Georgiadis, Dimosthenis; Andreou, Panayiotis G.; Kleanthous, Styliani; Cereghetti, D. M.; Meijers, J.; Christodoulou, Eleni; Samaras, George S. (Springer Verlag, 2016)
      Currently, the main care model for supporting elderly people living alone at home is based on informal and formal caregivers assistance. Considering the demographic changes of older population, which increases rapidly, ...
    • Article  

      Identification of an individual’s frustration in the work environment through a multi-sensor computer mouse 

      Portugal, D.; Belk, Marios; Quintas, J.; Christodoulou, Eleni; Samaras, George S. (2016)
      Older adults traditionally face major challenges at work when it comes to dealing with new technological tools. A sense of overwhelm and frustration can quickly arise under these circumstances. Continuous negative feelings ...
    • Conference Object  

      IHIP: Towards a user centric Individual Human Interaction Proof framework 

      Fidas, Christos A.; Hussmann, H.; Belk, Marios; Samaras, George S. (Association for Computing Machinery, 2015)
      A Completely Automated Public Turing test to tell Computers and Humans Apart (CAPTCHA) is a widely used Human Interaction Proof mechanism to protect on-line services against automated software agents. Nowadays, there is a ...
    • Article  

      Implementing affect parameters in personalized web-based design 

      Lekkas, Zacharias; Tsianos, Nikos; Germanakos, Panagiotis; Mourlas, Constantinos; Samaras, George S. (2009)
      Researchers used to believe that emotional processes are beyond the scope of a scientific study. Recent advances in cognitive science and artificial intelligence, however, suggest that there is nothing mystical about ...
    • Conference Object  

      Implementing psychological parameters in a web-based appraisal system 

      Lekkas, Zacharias; Tsianos, Nikos; Mourlas, Constantinos; Germanakos, Panagiotis; Samaras, George S. (2010)
      For many years people have been trying to measure differences between individuals. Over the course of time, a combination of developments in statistical know-how and the evolution of thought within psychology enabled the ...
    • Book Chapter  

      Improving m-commerce services effectiveness with the use of user-centric content delivery 

      Germanakos, Panagiotis; Tsianos, Nikos; Lekkas, Zacharias; Mourlas, Constantinos; Samaras, George S. (IGI Global, 2008)
      Advances in wireless communications and information technology have made the Mobile Web a reality. The Mobile Web is the response to the need for anytime, anywhere access to information and services. Many wireless applications ...
    • Article  

      In-network data acquisition and replication in mobile sensor networks 

      Andreou, Panayiotis G.; Zeinalipour-Yazdi, Constantinos D.; Chrysanthis, Panos K.; Samaras, George S. (2011)
      This paper assumes a set of n mobile sensors that move in the Euclidean plane as a swarm. Our objectives are to explore a given geographic region by detecting and aggregating spatiooral events of interest and to store these ...
    • Book Chapter  

      Incorporating human factors in the development of context-aware personalized applications: The next generation of intelligent user interfaces 

      Tsianos, Nikos; Germanakos, Panagiotis; Lekkas, Zacharias; Mourlas, Constantinos; Samaras, George S. (IGI Global, 2009)
      The notion of context in context-aware applications is not merely an issue of external situational circumstances or device/channel properties, but it could also refer to a wide array of user characteristics that have an ...
    • Article  

      An individual differences approach in adaptive waving of user checkout process in retail eCommerce 

      Belk, Marios; Germanakos, Panagiotis; Asimakopoulos, Stavros; Andreou, Panayiotis G.; Mourlas, Constantinos; Spanoudis, George; Samaras, George S. (2014)
      Developing a usable checkout process is pivotal for e-business success. However, recent research has shown that users frequently abandon their shopping carts and lacking a clear direction through the process. In this ...
    • Article  

      An individual differences approach in designing ontologies for efficient personalization 

      Tsianos, Nikos; Germanakos, Panagiotis; Belk, Marios; Lekkas, Zacharias; Samaras, George S.; Mourlas, Constantinos (2013)
      This article discusses the potential role of cognitive individual differences in the context of designing ontologies for personalization on users' characteristics. The theoretical framework of the proposed approach is ...
    • Conference Object  

      Individual differences in music video interaction: An exploratory analysis 

      Kleanthous, Styliani; Michael, G.; Samaras, George S.; Dimitrova, V. (Association for Computing Machinery, Inc, 2017)
      Learning through video watching has been popular through the education community and is considered as a common choice especially for self-directed informal learning. However, the learner in this situation acts only as a ...
    • 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 ...
    • Conference Object  

      Integrated platform for autonomic computing 

      Panayiotou, Christoforos; Fytros, E.; Tsetsos, V.; Samaras, George S.; Hadjiefthymiades, S.; Piquet, D. (2009)
      IPAC (Integrated Platform for Autonomic Computing) aims at delivering a middleware and service creation environment for developing embedded, intelligent, collaborative, context-aware services in mobile nodes. IPAC relies ...
    • Conference Object  

      Intelligent authoring tools for enhancing mass customization of e-services: The smarTag framework 

      Germanakos, Panagiotis; Tsianos, Nikos; Lekkas, Zacharias; Mourlas, Constantinos; Belk, Marios; Samaras, George S. (2009)
      Mass customization should be more than just configuring a specific component (hardware or software), but should be seen as the co-design of an entire system, including services, experiences and human satisfaction at the ...
    • Article  

      Intelligent search in social communities of smartphone users 

      Konstantinidis, Andreas; Zeinalipour-Yazdi, Constantinos D.; Andreou, Panayiotis G.; Samaras, George S.; Chrysanthis, Panos K. (2013)
      Social communities of smartphone users have recently gained significant interest due to their wide social penetration. The applications in this domain, however, currently rely on centralized or cloud-like architectures for ...
    • 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 ...