Browsing by Author "Dikaiakos, Marios D."

Now showing items 1-20 of 139

    • 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 ...
    • Article  

      An ActOn-based semantic information service for Grids 

      Xing, Wei; Corcho, O.; Goble, C.; Dikaiakos, Marios D. (2010)
      We describe a semantic information service that aggregates metadata from a large number of information sources of a large-scale Grid infrastructure. It uses an ontology-based information integration architecture (ActOn) ...
    • 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  

      Analyzing the workload of scientific visualization tools: A preliminary study on TIPSY 

      Dikaiakos, Marios D. (IEEE, 1997)
      Theoretical Image Processing SYstem (TIPSY) is a portable, client-server, interactive package for visualization and analysis of astrophysics and astronomy simulations. The workload characteristics of this interactive ...
    • Conference Object  

      ATMoN: Adapting the "Temporality" in Large-Scale Dynamic Networks 

      Trihinas, Demetris; Chiroque, Luis F.; Pallis, George; Fernandez Anta, Antonio; Dikaiakos, Marios D. (2018)
      With the widespread adoption of temporal graphs to study fast evolving interactions in dynamic networks, attention is needed to provide graph metrics in time and at scale. In this paper, we introduce ATMoN, an open-source ...
    • 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  

      Building a distributed digital library for natural disasters metadata with grid services and RDF 

      Xing, Wei; Dikaiakos, Marios D.; Yang, Hua; Sphyris, Angelos; Eftichidis, George (2005)
      Purpose - This paper aims to describe the main challenges of identifying and accessing useful information and knowledge about natural hazards and disasters results. The paper presents a grid-based digital library system ...
    • 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, ...
    • 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 ...
    • Article  

      Characterizing crawler behavior from web server access logs 

      Dikaiakos, Marios D.; Stassopoulou, Athena; Papageorgiou, Loizos (2003)
      In this paper, we present a study of crawler behavior based on Web-server access logs. To this end, we use logs from five different academic sites in three countries. Based on these logs, we analyze the activity of different ...
    • 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  

      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 ...
    • Conference Object  

      Comparison of techniques used for mapping parallel algorithms to message-passing multiprocessors 

      Dikaiakos, Marios D.; Steiglitz, Kenneth; Rogers, Anne (IEEE, 1994)
      This paper presents a comparison study of popular clustering and mapping heuristics which are used to map task-flow graphs to message-passing multiprocessors. To this end, we use task-graphs which are representative of ...
    • Conference Object  

      Comparison of tree and straight-line clocking for long systolic arrays 

      Dikaiakos, Marios D.; Steiglitz, Kenneth (Publ by IEEE, 1991)
      Achieving efficient and reliable synchronization is a critical problem in building long systolic arrays. This problem is addressed in the context of synchronous systems by introducing probabilistic models for two alternative ...
    • Article  

      Comparison of tree and straight-line clocking for long systolic arrays 

      Dikaiakos, Marios D.; Steiglitz, K. (1991)
      A critical problem in building long systolic arrays lies in efficient and reliable synchronization. We address this problem in the context of synchronous systems by introducing probabilistic models for two alternative clock ...
    • Article  

      A comparison study of heuristics for mapping parallel algorithms to message-passing multiprocessors 

      Dikaiakos, Marios D.; Rogers, A.; Steiglitz, K. (1995)
      This paper presents a comparison study of popular clustering and mapping heuristics which are used to map task-flow graphs to message-passing multiprocessors. To this end, we use task-graphs which arc representative of ...
    • Article  

      Content-selection strategies for the periodic prefetching of WWW resources via satellite 

      Dikaiakos, Marios D.; Stassopoulou, Athena (2001)
      In this paper we study satellite-caching, that is, the employment of satellite multicasting for the dissemination of prefetched content to WWW caches. This approach is currently being deployed by major satellite operators ...