Browsing by Author "Samaras, George S."

Now showing items 41-60 of 179

    • Conference Object  

      Employing virtual worlds for HCI education: A problem-based learning approach 

      Zaharias, Panagiotis; Belk, Marios; Samaras, George S. (2012)
      In this paper we describe our experience focused on teaching an introductory course in HCI by employing a 3D virtual world. Our main pedagogical philosophy is presented which claims that problem-based learning activities ...
    • Conference Object  

      Enhancing e-learning environments with users' cognitive factors: The case of EKPAIDEION 

      Tsianos, Nikos; Germanakos, Panagiotis; Lekkas, Zacharias; Mourlas, Constantinos; Belk, Marios; Christodoulou, Eleni; Spanoudis,George C.; Samaras, George S. (Academic Conferences Limited, 2008)
      We are now witnessing an extensive and gradually increasing use of the World Wide Web space, proved to be a quite favourable way of communication, due to its speed, simplicity and efficiency. Distance learning (or eLearning) ...
    • Conference Object  

      Enhancing virtual reality systems with smart wearable devices 

      Alshaal, S. E.; Michael, S.; Pamporis, A.; Herodotou, H.; Samaras, George S.; Andreou, Panayiotis G. (Institute of Electrical and Electronics Engineers Inc., 2016)
      The proliferation of wearable and smartphone devices with embedded sensors has enabled researchers and engineers to study and understand user behavior at an extremely high fidelity, particularly for use in industries such ...
    • Conference Object  

      Estimating cognitive overload in mobile applications for decision support within the medical domain 

      Flood, D.; Germanakos, Panagiotis; Harrison, R.; McCaffery, F.; Samaras, George S. (2012)
      Mobile applications have the potential to improve the quality of care received by patients from their primary care physicians (PCP). They can allow doctors to access the information they need when and where they need it ...
    • Conference Object  

      ETC: Energy-driven tree construction in wireless sensor networks 

      Andreou, Panayiotis G.; Pamboris, Andreas; Zeinalipour-Yazdi, Constantinos D.; Chrysanthis, Panos K.; Samaras, George S. (2009)
      Continuous queries in Wireless Sensor Networks (WSNs) are founded on the premise of Query Routing Tree structures (denoted as T), which provide sensors with a path to the querying node. Predominant data acquisition systems ...
    • Article  

      A European perspective of e-government presence - Where do we stand? The EU-10 case 

      Germanakos, Panagiotis; Christodoulou, Eleni; Samaras, George S. (2007)
      It is widely perceived that the nature of ICT is changing and so is the scale of the resulting economic and societal impact around Europe. Continued and accelerating technological progress, market changes arising from ...
    • Conference Object  

      EVALUATING RECURSIVE QUERIES IN CAD USING AN EXTENDED PROJECTION FUNCTION. 

      Hardwick, Martin; Samaras, George S.; Spooner, David L. (IEEE, 1987)
      Entities such as mechanical assemblies are recursive when they contain other assemblies at a lower level of detail. The authors show how recursive CAD entities can be manipulated using an extended projection function. The ...
    • Conference Object  

      Evaluating the significance of cognitive and emotional parameters in e-learning adaptive environments 

      Tsianos, Nikos; Germanakos, Panagiotis; Lekkas, Zacharias; Mourlas, Constantinos; Samaras, George S. (2007)
      This paper presents experimental evidence supporting the notion that users' individual information processing characteristics are significant in the context of e-learning environments. In the wider field of Adaptive ...
    • Article  

      Evaluation metrics for ehealth services and applications within smart houses context 

      Georgiadis, Dimosthenis; Germanakos, Panagiotis; Andreou, Panayiotis G.; Samaras, George S. (2009)
      eHealth services is a continuously growing sector, driving the need for advances in both the network characteristics and infrastructure, as well as in the available mobile devices used. The same need requires the development ...
    • Conference Object  

      Evaluation of NMS e-Services environment within the context of four specific socio-economic domains: Towards the promotion of a few best practices for improving e-Inclusion and e-Participation 

      Germanakos, Panagiotis; Christodoulou, Eleni; Samaras, George S. (2005)
      Europe's Lisbon strategy has reinforced e-Government as a potential provider of major entomic boost by facilitating new and better services for all citizens and companies and reinforcing e-Democracy developments. The NMS ...
    • Article  

      An evaluation of the java-based approaches to web database access 

      Papastavrou, Stavros; Chrysanthis, Panos K.; Samaras, George S.; Pitoura, Evaggelia 1967- (2000)
      Given the undeniable popularity of the Web, providing efficient and secure access to remote databases using a Web browser is crucial for the emerging cooperative information systems and applications. In this paper, we ...
    • Article  

      An evaluation of the Java-based approaches to web database access 

      Papastavrou, Stavros; Chrysanthis, Panos K.; Samaras, George S.; Pitoura, Evaggelia 1967- (2001)
      Given the undeniable popularity of the Web, providing efficient and secure access to remote databases using a Web browser is crucial for the emerging cooperative information systems and applications. In this paper, we ...
    • Conference Object  

      The evolution of ROSE: An engineering object-oriented database system 

      Spooner, David L.; Hardwick, Martin; Hvannberg, Ebba; Downie, Blair; Loffredo, Dave; Mehta, Alok; Faulstich, J. Alyce; Sanderson, Donald; Harris, Richard; Abou-Ezzi, Ghassan; Gong, Jie; Young, Jeffrey A.; Rovira, Margarita; Samaras, George S. (Publ by IEEE, 1990)
      ROSE, an object-oriented database system for engineering applications, has recently been reengineered as part of the DARPA Initiative in Concurrent Engineering (DICE). The lessons learned from the first version of the ...
    • Article  

      An experimental assessment of the use of cognitive and affective factors in adaptive educational hypermedia 

      Tsianos, Nikos; Lekkas, Zacharias; Germanakos, Panagiotis; Mourlas, Constantinos; Samaras, George S. (2009)
      In order to assess the positive effect and validity of personalization on the basis of users' cognitive and emotional characteristics, this study presents three subsequent experiments. The first experiment explores the ...
    • Article  

      Exploring content dependencies to better balance performance and freshness in web database applications 

      Papastavrou, Stavros; Chrysanthis, Panos K.; Samaras, George S. (2012)
      In this paper, we present a novel approach for materializing dynamic web pages by exploiting content dependencies and user access patterns. We introduce two new semantic-based data freshness metrics and show that our ...
    • Conference Object  

      Eye-tracking users' behavior in relation to Cognitive Style within an e-Learning environment 

      Tsianos, Nikos; Germanakos, Panagiotis; Lekkas, Zacharias; Mourlas, Constantinos; Samaras, George S. (2009)
      Eye-tracking measurements may be used as a method of identifying users' actual behavior in a hypermedia setting. In this research, an eye-tracking experiment was conducted in order to validate the construct of cognitive ...
    • Article  

      Fine-grained parallelism in dynamic Web content generation: The parse and dispatch approach 

      Papastavrou, Stavros; Samaras, George S.; Evripidou, Paraskevas; Chrysanthis, Panos K. (2003)
      Dynamic Web content is gaining in popularity over traditional static HTML as the means of providing Web users with personalized and dynamic information. To enable dynamic content, various technologies have been developed ...
    • Article  

      FireWatch: G.I.S.-assisted wireless sensor networks for forest fires 

      Andreou, Panayiotis G.; Constantinou, George; Zeinalipour-Yazdi, Constantinos D.; Samaras, George S. (2012)
      Traditional satellite and camera-based systems, are currently the predominant methods for detecting forest fires. Our study has identified that these systems lack immediacy as detected fires must gain some momentum before ...
    • Article  

      A flexible personalization architecture for wireless Internet based on mobile agents 

      Samaras, George S.; Panayiotou, Christoforos (2002)
      The explosive growth of the Internet has fuelled the creation of new and exciting information services. Most of the current technology has been designed for desktop and larger computers with medium to high bandwidth and ...
    • Conference Object  

      FSort: External sorting on flash-based sensor devices 

      Andreou, Panayiotis G.; Spanos, O.; Zeinalipour-Yazdi, Constantinos D.; Samaras, George S.; Chrysanthis, Panos K. (2009)
      In long-term deployments of Wireless Sensor Networks, it is often more efficient to store sensor readings locally at each device and transmit those readings to the user only when requested (i.e., in response to a user ...