Ara es mostren els items 1-20 de 30

    • A grid representation for distributed virtual environments 

      Morillo, P.; Fernández, M.; Pelechano Gómez, Núria (2004)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Fast Internet connections and the widespread use of high performance graphic cards are making Distributed Virtual Environments (DVE) very common nowadays. The architecture and behavior of these systems are very similar to ...
    • A grid-based approach for processing group activity log files 

      Xhafa Xhafa, Fatos; Caballé Llobet, Santiago; Daradoumis, Thanasis; Zhou, Nan (Springer, 2004)
      Text en actes de congrés
      Accés obert
      The information collected regarding group activity in a collaborative learning environment requires classifying, structuring and processing. The aim is to process this information in order to extract, reveal and provide ...
    • A hyper-heuristic for adaptive scheduling in computational grids 

      Xhafa Xhafa, Fatos (2007-01)
      Article
      Accés obert
      In this paper we present the design and implementation of an hyper-heuristic for efficiently scheduling independent jobs in computational grids. An efficient scheduling of jobs to grid resources depends on many parameters, ...
    • A non-additive negotiation model for utility computing markets 

      Macías Lloret, Mario; Guitart Fernández, Jordi (2009-09)
      Text en actes de congrés
      Accés obert
      Market-based resource allocation is a promising model for dealing with the growing Utility Computing environments, such as Grid or Cloud Computing. Agents that represent both service clients and providers meet in a market ...
    • A study on the performance of Oracle Grid Engine for computing intensive applications 

      Kolici, Vladi; Herrero, Albert; Xhafa Xhafa, Fatos; Barolli, Leonard (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés obert
      Computing intensive applications are an important family of applications in distributed computing domain. They have been object of study using different distributed computing paradigms and infrastructures. Such applications ...
    • Applying Internet random early detection strategies to scheduling in grid environments 

      Willmott, Steven Nicolás; Brugnoli, Manuel; Heymann, Elisa; Hurley, Paul; Senar, Miquel A. (2007-09)
      Report de recerca
      Accés obert
      Resource Allocation in Grid environments to date is generally carried out under the assumption that there is one primary scheduling system scheduling jobs. However, as environments tend towards larger open “utility” Grids ...
    • Assessing a distributed market infrastructure for economics-based service selection 

      Brunner, René; Chao, Isaac; Chacín Martínez, Pablo; Freitag, Fèlix; Navarro Moldes, Leandro; Ardáiz Villanueva, Óscar; Joita, Liviu; Rana, Omer (Springer, 2007)
      Comunicació de congrés
      Accés obert
      Service selection is an important issue for market-oriented Grid infrastructures. However, few results have been published on the use and evaluation of market models in deployed prototypes, making it difficult to assess ...
    • Automatic computing resource awareness in resource managers for cognitive radios 

      Gómez Miguelez, Ismael; Marojevic, Vuk; Gelonch Bosch, Antonio José (2010)
      Text en actes de congrés
      Accés obert
      With all the potential flexibility of software-defined radios, the flexibility of SDR terminals is currently limited to design time flexibility. The capacity of the platform in terms of processing resources and internal ...
    • Computational models and heuristic methods for Grid scheduling problems 

      Xhafa Xhafa, Fatos; Abraham, Ajith (Elsevier, 2010)
      Article
      Accés obert
      In this paper we survey computational models for Grid scheduling problems and their resolution using heuristic and meta-heuristic approaches. Scheduling problems are at the heart of any Grid-like computational system. ...
    • Creación de un clúster/cloud a partir de Raspberry Pi 2 para un sistema distribuido 

      Hernández Villahermosa, Xavier (Universitat Politècnica de Catalunya, 2016-10-27)
      Treball Final de Grau
      Accés obert
      Este trabajo se ha llevado a cabo dentro del marco tecnológico de las Smart City. Los objetivos principales del proyecto son plantear una estructura teórica de sistema distribuido mediante placas Raspberry Pi 2 para una ...
    • Design and evaluation of a tabu search method for job scheduling in distributed enviorments 

      Xhafa Xhafa, Fatos; Carretero Casado, Javier Sebastián; Alba, Enrique; Dorronsoro, Bernabe (Institute of Electrical and Electronics Engineers (IEEE), 2008)
      Text en actes de congrés
      Accés obert
      The efficient allocation of jobs to grid resources is indispensable for high performance grid-based applications. The scheduling problem is computationally hard even when there are no dependencies among jobs. Thus, we ...
    • Efficient batch job scheduling in grids using cellular memetic algorithms 

      Xhafa Xhafa, Fatos; Alba, Enrique; Dorronsoro, Bernabé (Institute of Electrical and Electronics Engineers (IEEE), 2007)
      Text en actes de congrés
      Accés obert
      Computational grids are an important emerging paradigm for large-scale distributed computing. As grid systems become more wide-spread, techniques for efficiently exploiting the large amount of grid computing resources ...
    • Efficient peer selection in P2P JXTA-based platforms 

      Xhafa Xhafa, Fatos; Daradoumis, Thanasis; Barolli, Leonard; Fernandez Correa, Raul; Caballé Llobet, Santiago; Kolici, Vladi (Institute of Electrical and Electronics Engineers (IEEE), 2008)
      Text en actes de congrés
      Accés obert
      P2P systems are nowadays being used not only for file sharing but also for developing large-scale distributed applications. As an emerging paradigm for distributed computing, P2P systems are raising important issues as ...
    • Elaborating a decentralized market information system 

      Brunner, René; Freitag, Fèlix (Springer, 2007)
      Comunicació de congrés
      Accés obert
      A Decentralized Market Information System (DMIS) that aggregates and provides information about markets is an important component for achieving markets in Grid and Peer-to-Peer systems. The proposed work is the development ...
    • Extended resource management using client classification and economic enhancements 

      Püschel, Tim; Borissov, Nikolay; Neumann, Dirk; Macías Lloret, Mario; Guitart Fernández, Jordi; Torres Viñals, Jordi (Birkhäuser Verlag, 2010)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Commercialization of computing resources will become more and more important as the transition from Grid computing in academic environments to commercial services based on concepts such as utility or Cloud computing ...
    • File system scalability with highly decentralized metadata on independent storage devices 

      Lensing, Paul Hermann; Cortés, Toni; Hughes, Jim; Brinkmann, Andre (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper discusses using hard drives that integrate a key-value interface and network access in the actual drive hardware (Kinetic storage platform) to supply file system functionality in a large scale environment. Taking ...
    • Graph-based task replication for workflow applications 

      Sirvent Pardell, Raül; Badia Sala, Rosa Maria; Labarta Mancho, Jesús José (Institute of Electrical and Electronics Engineers (IEEE), 2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The Grid is an heterogeneous and dynamic environment which enables distributed computation. This makes it a technology prone to failures. Some related work uses replication to overcome failures in a set of independent ...
    • Immediate mode scheduling of independent jobs in computational grids 

      Xhafa Xhafa, Fatos; Barolli, Leonard; Durresi, Arjan (Institute of Electrical and Electronics Engineers (IEEE), 2007)
      Text en actes de congrés
      Accés obert
      With the emerging paradigm of grid computing and the development of grid infrastructures, grid-based applications are becoming a common approach for solving many complex, large-scale problems in science and engineering. ...
    • On distributed systems and CSCL. 

      Navarro Moldes, Leandro; Marquès Puig, Joan Manel; Freitag, Fèlix (IEEE, 2004-04)
      Text en actes de congrés
      Accés obert
      The design of distributed systems for collaborative work or learning requires that both humans and machines be organized such that the potential and limitations of the human-machine interdependence is optimized. Current ...
    • On the performance of Oracle Grid Engine Queuing System for computing intensive applications 

      Kolici, Vladi; Herrera, Albert; Xhafa Xhafa, Fatos (2014)
      Article
      Accés restringit per política de l'editorial
      In this paper we present some research results on computing intensive applications using modern high performance architectures and from the perspective of high computational needs. Computing intensive applications are an ...