• Conference Object  

      Mobile Data Management in Indoor Spaces 

      Laoudias, Christos; Zeinalipour-Yazdi, Constantinos D. (Institute of Electrical and Electronics Engineers Inc., 2015)
      This advanced seminar presents the fundamental mobile data management concepts behind the realization of innovative indoor information services that deal with all aspects of handling indoor data as a valuable resource, ...
    • Conference Object  

      Multi-objective query optimization in smartphone social networks 

      Konstantinidis, Andreas; Zeinalipour-Yazdi, Constantinos D.; Andreou, Panayiotis G.; Samaras, George S. (2011)
      The bulk of social network applications for smart phones (e.g., Twitter, Face book, Foursquare, etc.) currently rely on centralized or cloud-like architectures in order to carry out their data sharing and searching tasks. ...
    • Conference Object  

      On the development strategy of an architecture for E-health service robots 

      Santos, L.; Dias, J.; Christophorou, C.; Christodoulou, Eleni; Samaras, George S. (IADIS, 2014)
      This paper presents a service robot architecture based on the principles of a Service-Oriented Architecture (SOA), whose modularity design maximizes the benefits of multidisciplinary contributions from researchers of ...
    • Conference Object  

      Open source workflow systems in life sciences informatics 

      Achilleos, Kleo G.; Kannas, Christos C.; Nicolaou, Christos A.; Pattichis, Constantinos S.; Promponas, Vasilis J. (2012)
      A simple yet powerful programming tool enabling in silico experimentation, end-to-end data management through web services as well as use of grid and cloud processing power is scientific workflows. This technology is ...
    • Article  

      Parallel and distributed data management 

      Sakellariou, R.; Orlando, S.; Larriba-Pey, J. L.; Parthasarathy, S.; Zeinalipour-Yazdi, Constantinos D. (2010)
      The manipulation and handling of an ever increasing volume of data by current data-intensive applications requires novel techniques for efficient data management. Despite recent advances in every aspect of data management ...
    • Conference Object  

      The PersonaCheck System for Personalizing M-Commerce Checkout Processes 

      Constantinides, Anthony G.; Belk, Marios; Germanakos, Panagiotis; Samaras, George S. (Institute of Electrical and Electronics Engineers Inc., 2015)
      This demonstration paper presents a Web-based adaptive interactive system for personalizing the checkout process of M-Commerce Web environments, coined Persona Check. In particular, the system personalizes the visual and ...
    • Conference Object  

      Prehospital health care management platform 

      Kyriacou, Efthyvoulos C.; Christou, Soteroulla; Hadjichristofi, George C.; Constantinou, Renos; Panayides, Andreas S.; Pattichis, Constantinos S. (Institute of Electrical and Electronics Engineers Inc., 2015)
      Through this work we had created a platform that will support the emergency health care procedures starting from an emergency call until a patient is transferred to a central hospital. The platform consists of a) a system ...
    • Conference Object  

      Radio Map Prefetching for Indoor Navigation in Intermittently Connected Wi-Fi Networks 

      Konstantinidis, Andreas; Nikolaides, G.; Chatzimilioudis, Georgios; Evagorou, G.; Zeinalipour-Yazdi, Constantinos D.; Chrysanthis, Panos K. (Institute of Electrical and Electronics Engineers Inc., 2015)
      Wi-Fi (or WLAN) based indoor navigation applications for mobiles rely on cloud-based services (s) that take care of a user's (u) localization task using structures called Radio Maps (RMs). It is imperative for u to have a ...
    • Conference Object  

      Rayzit: An Anonymous and Dynamic Crowd Messaging Architecture 

      Costa, Constantinos; Anastasiou, Chrysovalantis; Chatzimilioudis, Georgios; Zeinalipour-Yazdi, Constantinos D. (Institute of Electrical and Electronics Engineers Inc., 2015)
      The smartphone revolution has introduced a new era of social networks where users communicate over anonymous messaging platforms to exchange opinions, ideas and even carry out commerce. These platforms enable individuals ...
    • Conference Object  

      Replication based on Objects Load under a Content Distribution Network 

      Pallis, George C.; Stamos, Kostas; Vakali, Athena I.; Katsaros, Dimitrios S.; Sidiropoulos, Antonis; Manolopoulos, Yannis (Institute of Electrical and Electronics Engineers Inc., 2006)
      Users tend to use the Internet for "resource-hungry" applications (which involve content such as video, audio on-demand and distributed data) and at the same time, more and more applications (such as e-commerce, elearning ...
    • Article  

      Report on the workshop on Metadata Management in Grid and Peer-to-Peer Systems, London, December 16 2003 

      Keenoy, K.; Poulovassilis, A.; Christophides, V.; Loizou, G.; Kokkinidis, G.; Samaras, George S.; Spyratos, N. (2004)
      A workshop on Metadata Management System in Grid and peer-to-Peer system was held in the Senete House of the University of London on December 16, 2003. The first session of the work shop contained three presentations on ...
    • Conference Object  

      A scalable hash-based mobile agent location mechanism 

      Kastidou, G.; Pitoura, Evaggelia 1967-; Samaras, George S. (Institute of Electrical and Electronics Engineers Inc., 2003)
      In this paper, we propose a novel mobile agent tracking mechanism based on hashing. To allow our system to adapt to variable workloads, dynamic rehashing is supported The proposed mechanism scales well with both the number ...
    • Conference Object  

      Scalable Mockup Experiments on Smartphones Using Smart Lab 

      Larkou, G.; Mintzis, M.; Andreou, Panayiotis G.; Konstantinidis, Andreas; Zeinalipour-Yazdi, Constantinos D. (Institute of Electrical and Electronics Engineers Inc., 2015)
      In this paper we present a comprehensive architecture to carry out experimental repeatability studies on clusters of smartphones. Our architecture is founded on Smart Lab1, our in-house architecture for managing real and ...
    • Conference Object  

      SensoMan: Remote management of context sensors 

      Paphitou, A. C.; Constantinou, S.; Kapitsaki, Georgia M. (Association for Computing Machinery, 2015)
      Sensor networks that collect data from the environment can be utilized in the development of different context-Aware applications bringing in sight the need for data collection, management and distribution. Boards with ...
    • Conference Object  

      SmartP2P: A multi-objective framework for finding social content in P2P smartphone networks 

      Konstantinidis, Andreas; Aplitsiotis, C.; Zeinalipour-Yazdi, Constantinos D. (2012)
      In this demonstration paper, we present a novel framework for searching objects (e.g., images, videos, etc.) captured by the users in a mobile social community. Our framework, is founded on an in-situ data storage model, ...
    • Article  

      Towards self-managing QoS-enabled peer-to-peer systems 

      Kalogeraki, Vana; Chen, F.; Repantis, Thomas; Zeinalipour-Yazdi, Constantinos D. (2005)
      Peer-to-peer systems that dynamically interact, collaborate and share resources are increasingly being deployed in wide-area environments. The inherent ad-hoc nature of these systems makes it difficult to meet the Quality ...
    • Article  

      Traffic Flow Prediction for Road Transportation Networks With Limited Traffic Data 

      Abadi, A.; Rajabioun, T.; Ioannou, Petros A. (2015)
      Obtaining accurate information about current and near-term future traffic flows of all links in a traffic network has a wide range of applications, including traffic forecasting, vehicle navigation devices, vehicle routing, ...
    • Article  

      Using argumentation logic for firewall policy specification and analysis 

      Bandara, A. K.; Kakas, Antonis C.; Lupu, E. C.; Russo, A. (2006)
      Firewalls are important perimeter security mechanisms that imple-ment an organisation's network security requirements and can be notoriously difficult to configure correctly. Given their widespread use, it is crucial that ...
    • Conference Object  

      A utility-based adaptivity model for mobile applications 

      Alia, M.; Eliassen, F.; Eide, V. S. W.; Hallsteinsen, S. O.; Paspallis, Nearchos; Papadopoulos, George Angelos (2007)
      Mobile environments are characterized by resource fluctuations and limitations, and variations in user preferences. Therefore mobile applications need to be adaptive to retain usability, usefulness and reliability. In our ...