• Conference Object  

      An ActOn-based semantic information service for EGEE 

      Xing, Wei; Corcho, O.; Goble, C.; Dikaiakos, Marios D. (2007)
      We describe an information service that aggregates metadata available in hundreds of information sources of the EGEE Grid infrastructure. It uses an ontology-based information integration architecture (ActOn), which is ...
    • 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 ...
    • Conference Object  

      Characterization of computational grid resources using low-level benchmarks 

      Tsouloupas, George; Dikaiakos, Marios D. (2006)
      An important factor that needs to be taken into account by end-users and systems (schedulers, resource brokers, policy brokers) when mapping applications to the Grid is the performance capacity of hardware resources attached ...
    • Conference Object  

      Effective keyword search for software resources installed in large-scale Grid infrastructures 

      Pallis, George C.; Katsifodimos, A.; Dikaiakos, Marios D. (2009)
      In this paper, we investigate the problem of supporting keyword-based searching for the discovery of software resources that are installed on the nodes of largescale, federated Grid computing infrastructures. We address a ...
    • Conference Object  

      Evaluating the utility of content delivery networks 

      Stamos, Kostas; Vakali, Athena I.; Pallis, George C.; Dikaiakos, Marios D. (2009)
      Content Delivery Networks (CDNs) balance costs and quality in services related to content delivery. This has urged many Web entrepreneurs to make contracts with CDNs. In the literature, a wide range of techniques has been ...
    • Conference Object  

      FailRank: Towards a unified GRID failure monitoring and ranking system 

      Zeinalipour-Yazdi, Constantinos D.; Neocleous, Kyriacos; Georgiou, Chryssis; Dikaiakos, Marios D. (2008)
      The objective of Grid computing is to make processing power as accessible and easy to use as electricity and water. The last decade has seen an unprecedented growth in Grid infrastructures which nowadays enables large-scale ...
    • Conference Object  

      A feedback-based approach to reduce duplicate messages in unstructured peer-to-peer networks 

      Papadakis, Charis; Fragopoulou, Paraskevi; Markatos, Evangelos P.; Athanasopoulos, Elias; Dikaiakos, Marios D.; Labrinidis, Alexandros (Springer Science and Business Media, LLC, 2007)
      Resource location in unstructured P2P systems is mainly performed by having each node forward each incoming query message to all of its neighbors, a process called flooding. Although this algorithm has excellent response ...
    • Conference Object  

      g-Eclipse - An integrated framework to access and maintain grid resources 

      Gjermundoør, H.; Dikaiakos, Marios D.; Stümpert, M.; Wolniewicz, P.; Kornmayer, H. (2008)
      The g-Eclipse framework provides a general, integrated workbench toolset for Grid users, operators and developers. Based on the Open Source Eclipse ecosystem, g-Eclipse supports scientists to interact with Grid resources ...
    • Conference Object  

      g-Social: Enhancing integrated e-Science tools with social networking functionality 

      Stylianou, A.; Loulloudes, Nicholas; Dikaiakos, Marios D. (2012)
      During the last decade, the scientific community has witnessed an unprecedented deployment of large-scale, federated e-Infrastructures such as Grid Computing, primarily for supporting data-intensive scientific exploration ...
    • Article  

    • Conference Object  

      GridBench: A tool for benchmarking grids 

      Tsouloupas, George; Dikaiakos, Marios D. (IEEE Computer Society, 2003)
      The aim of the GridBench suite of benchmarks is to bring together a core set of benchmarks for characterizing grid nodes or collections of grid resources. In order to do this in an organized and flexible way we provide a ...
    • Article  

      GridBench: A tool for the interactive performance exploration of Grid infrastructures 

      Tsouloupas, George; Dikaiakos, Marios D. (2007)
      As Grids rapidly expand in size and complexity, the task of benchmarking and testing, interactive or unattended, quickly becomes unmanageable. In this article we describe the difficulties of testing/benchmarking resources ...
    • Conference Object  

      Harvesting large-scale grids for software resources 

      Katsifodimos, A.; Pallis, George C.; Dikaiakos, Marios D. (2009)
      Grid infrastructures are in operation around the world, federating an impressive collection of computational resources and a wide variety of application software. In this context, it is important to establish advanced ...
    • Conference Object  

      Identifying failures in grids through monitoring and ranking 

      Zeinalipour-Yazdi, Constantinos D.; Neocleous, Kyriacos; Georgiou, Chryssis; Dikaiakos, Marios D. (2008)
      In this paper we present FailRank, a novel framework for integrating and ranking information sources that characterize failures in a grid system. After the failing sites have been ranked, these can be eliminated from the ...
    • Conference Object  

      JCatascopia: Monitoring elastically adaptive applications in the cloud 

      Trihinas, Demetris; Pallis, George C.; Dikaiakos, Marios D. (IEEE Computer Society, 2014)
      Over the past decade, Cloud Computing has rapidly become a widely accepted paradigm with core concepts such as elasticity, scalability and on demand automatic resource provisioning emerging as next generation Cloud ...
    • Article  

      Metadata ranking and pruning for failure detection in grids 

      Zeinalipour-Yazdi, Constantinos D.; Papadakis, Charis; Georgiou, Chryssis; Dikaiakos, Marios D. (2008)
      The objective of Grid computing is to make processing power as accessible and easy to use as electricity and water. The last decade has seen an unprecedented growth in Grid infrastructures which nowadays enables large-scale ...
    • Article  

      Minersoft: Software retrieval in grid and cloud computing infrastructures 

      Dikaiakos, Marios D.; Katsifodimos, A.; Pallis, George C. (2012)
      One of the main goals of Cloud and Grid infrastructures is to make their services easily accessible and attractive to end-users. In this article we investigate the problem of supporting keyword-based searching for the ...
    • Article  

      On the competitiveness of scheduling dynamically injected tasks on processes prone to crashes and restarts 

      Georgiou, Chryssis; Kowalski, D. R. (2015)
      To identify the tradeoffs between efficiency and fault-tolerance in dynamic cooperative computing, we initiate the study of a task performing problem under dynamic processes' crashes/restarts and task injections. The system ...
    • Article  

      Performing dynamically injected tasks on processes prone to crashes and restarts 

      Georgiou, Chryssis; Kowalski, D. R. (2011)
      To identify the tradeoffs between efficiency and fault-tolerance in dynamic cooperative computing, we initiate the study of a task performing problem under dynamic processes' crashes/restarts and task injections. The system ...