• Conference Object  

      AdaM: An adaptive monitoring framework for sampling and filtering on IoT devices 

      Trihinas, Demetris; Pallis, George C.; Dikaiakos, Marios D. (Institute of Electrical and Electronics Engineers Inc., 2015)
      Real-time data processing while the velocity and volume of data generated keep increasing, as well as, energy-efficiency are great challenges of big data streaming which have transitioned to the Internet of Things (IoT) ...
    • Article  

      ADVISE – A framework for evaluating cloud service elasticity behavior 

      Copil, G.; Trihinas, Demetris; Truong, H. -L; Moldovan, D.; Pallis, George C.; Dustdar, S.; Dikaiakos, Marios D. (2014)
      Complex cloud services rely on different elasticity control processes to deal with dynamic requirement changes and workloads. However, enforcing an elasticity control process to a cloud service does not always lead to an ...
    • Conference Object  

      Analysing cancer genomics in the elastic cloud 

      Smowton, C.; Miller, C.; Xing, Wei; Balla, A.; Antoniades, Demetris; Pallis, George C.; Dikaiakos, Marios D. (Institute of Electrical and Electronics Engineers Inc., 2015)
      With the rapidly growing demand for DNA analysis, the need for storing and processing large-scale genome data has presented significant challenges. This paper describes how the Genome Analysis Toolkit (GATK) can be deployed ...
    • Conference Object  

      Automated tagging for the retrieval of software resources in grid and cloud infrastructures 

      Katakis, I.; Pallis, George C.; Dikaiakos, Marios D.; Onoufriou, O. (2012)
      A key challenge for Grid and Cloud infrastructures is to make their services easily accessible and attractive to end-users. In this paper we introduce tagging capabilities to the Miner soft system, a powerful tool for ...
    • Article  

      C-eclipse: An open-source management framework for cloud applications 

      Sofokleous, Chrystalla; Loulloudes, Nicholas; Trihinas, Demetris; Pallis, George C.; Dikaiakos, Marios D. (2014)
      Cloud application portability and optimal resource allocation are of great importance in the realm of Cloud infrastructure provisioning. c-Eclipse is an open-source Cloud Application Management Framework through which users ...
    • Article  

      Caching dynamic information in vehicular ad hoc networks 

      Loulloudes, Nicholas; Pallis, George C.; Dikaiakos, Marios D. (2010)
      Recent advances in VANET technologies have propelled the development and deployment of a wide variety of Vehicular Information Systems (VIS) to vehicles. Such systems provide real-time, crucial information, to drivers, ...
    • Article  

      Caching techniques on CDN simulated frameworks 

      Stamos, Kostas; Pallis, George C.; Vakali, Athena I. (2008)
    • Article  

      CDNs content outsourcing via generalized communities 

      Katsaros, Dimitrios S.; Pallis, George C.; Stamos, Kostas; Vakali, Athena I.; Sidiropoulos, Antonis; Manolopoulos, Yannis (2009)
      Content distribution networks (CDNs) balance costs and quality in services related to content delivery. Devising an efficient content outsourcing policy is crucial since, based on such policies, CDN providers can provide ...
    • Article  

      CDNsim: A simulation tool for content distribution networks 

      Stamos, Kostas; Pallis, George C.; Vakali, Athena I.; Katsaros, Dimitrios S.; Sidiropoulos, Antonis; Manolopoulos, Yannis (2010)
      Content distribution networks (CDNs) have gained considerable attention in the past few years. Hence there is need for developing frameworks for carrying out CDN simulations. In this article we present a modeling and ...
    • Article  

      Chemical, acoustic and optical response profiling for analysing burning patterns 

      Mikedi, Katerina; Stavrakakis, P.; Agapiou, Agapios; Moirogiorgou, K.; Karma, Sofia; Pallis, George C.; Pappa, Athina A.; Statheropoulos, Miltiades K.; Zervakis, M. (2013)
      Improved data processing algorithms along with modelling techniques were employed in order to profile the responses and to assess the analytical capabilities of a system consisting of a mass spectrometer, a camera and a ...
    • Article  

      Cloud computing [Guest Editorial] 

      Katsaros, Dimitrios S.; Pallis, George C.; Sivasubramanian, S.; Vakali, Athena I. (2011)
    • Article  

      Cloud computing: Distributed internet computing for IT and scientific research 

      Dikaiakos, Marios D.; Katsaros, Dimitrios S.; Mehra, P.; Pallis, George C.; Vakali, Athena I. (2009)
      Cloud computing is location agnostic and provides dynamically scalable and virtualized resources as services over the Internet. Here, the authors provide broad introductory definitions to cloud computing concepts. Articles ...
    • Article  

      Cloud computing: The new frontier of internet computing 

      Pallis, George C. (2010)
      Cloud computing is a new field in Internet computing that provides novel perspectives in internetworking technologies and raises issues in the architecture, design, and implementation of existing networks and data centers. ...
    • Article  

      Clustering attributed multi-graphs with information ranking 

      Papadopoulos, Antonios I.; Rafailidis, D.; Pallis, George C.; Dikaiakos, Marios D. (2015)
      Attributed multi-graphs are data structures to model realworld networks of objects which have rich properties/attributes and they are connected by multiple types of edges. Clustering attributed multigraphs has several ...
    • Book Chapter  

      Clustering web information sources 

      Vakali, Athena I.; Pallis, George C.; Angelis, Lefteris (IGI Global, 2008)
      The explosive growth of the Web scale has drastically increased information circulation and dissemination rates. As the number of both Web users and Web sources grows significantly everyday, crucial data management issues, ...
    • Book Chapter  

      Clustering web information sources 

      Vakali, Athena I.; Pallis, George C.; Angelis, Lefteris (IGI Global, 2006)
      The explosive growth of the Web has drastically increased information circulation and dissemination rates. As the numbers of both Web users and Web sources grow significantly every day, crucial data management issues, such ...
    • Article  

      A clustering-based prefetching scheme on a Web cache environment 

      Pallis, George C.; Vakali, Athena I.; Pokorný, Jaroslav (2008)
      Web prefetching is an attractive solution to reduce the network resources consumed by Web services as well as the access latencies perceived by Web users. Unlike Web caching, which exploits the temporal locality, Web ...
    • Article  

      Combined chemical and optical methods for monitoring the early decay stages of surrogate human models 

      Statheropoulos, Miltiades K.; Agapiou, Agapios; Zorba, Eleni; Mikedi, Katerina; Karma, Sofia; Pallis, George C.; Eliopoulos, C.; Spiliopoulou, C. (2011)
      As the body decays shortly after death, a variety of gases and volatile organic compounds (VOCs) constantly emanate. Ethical and practical reasons limit the use of human corpses in controlled, time-dependent, intervening ...
    • Conference Object  

      Content classification for caching under CDNs 

      Pallis, George C.; Thomos, Charilaos; Stamos, Kostas; Vakali, Athena I.; Andreadis, Georgios (2008)
      Content Delivery Networks (CDNs) provide an efficient support for serving "resource-hungry" applications while minimizing the network impact of content delivery as well as shifting the traffic away from overloaded origin ...
    • Article  

      Content Delivery Networks: Status and Trends 

      Vakali, Athena I.; Pallis, George C. (2003)
      An insight into the content delivery networks (CDN) architecture and popular CDN service providers is performed. CDNs improve network performance and offer fast and reliable applications and services by distributing content ...