Now showing items 20-39 of 56

    • Database constraints applied to metabolic pathway reconstruction tools 

      Vilaplana Mayoral, Jordi; Solsona Tehàs, Francesc; Teixidó Torrelles, Ivan; Usié Chimenos, Anabel; Karathia, Hiren; Alves, Rui; Mateo Fornés, Jordi (Hindawi Publishing Corporation, 2014)
      Our group developed two biological applications, Biblio-MetReS and Homol-MetReS, accessing the same database of organisms with annotated genes. Biblio-MetReS is a data-mining application that facilitates the reconstruction ...
    • Dealing with Memory Constraints in a Non-Dedicated Linux Cluster 

      Giné, Francesc; Solsona Tehàs, Francesc; Hernandez, Porfidio; Luque, Emilio (SAGE, 2003)
      Our research is focused on keeping both local and parallel jobs together in a non-dedicated cluster and scheduling them efficiently. In such a system, memory becomes a critical resource for both kinds of job. Thus, the ...
    • Design of a P2P network that protects users’ privacy in front of Web Search Engines 

      Romero-Tris, Cristina; Castellà Martínez, Damià; Viejo Galicia, Alexandre; Castellà Roca, Jordi; Solsona Tehàs, Francesc; Mateo-Sanz, Josep María (Elsevier, 2015)
      Web Search Engines store and analyze queries made by their users in order to build their profiles and offer them personalized search results (i.e., results are ranked according to each user’s preferences). Even though ...
    • Designing an effective P2P system for a VoD system to exploit the multicast communication 

      Yang, X. Y.; Cores Prado, Fernando; Hernández Budé, Porfidio; Ripoll, A.; Luque, Emilio (Elsevier, 2010)
      A distributed video-on-demand system (DVoD) with multiple server-nodes is a cost-effective and faulttolerant solution for a high scalable enterprise video-on-demand (VoD) system. However, such a serveroriented design is ...
    • DisCoP2P: an efficient P2P computing overlay 

      Sentís, Josep M.; Solsona Tehàs, Francesc; Castellà Martínez, Damià; Rius Torrentó, Josep Maria (Springer Verlag, 2014)
      CodiP2P and DisCoP are two peer-to-peer (P2P) computing overlays aimed at sharing computing resources (CPU, Memory, etc.) to execute parallel applications. Their component nodes are basically PC’s and a wide range of ...
    • DisCoP: a P2P framework for managing and searching computing markets 

      Castellà Martínez, Damià; Solsona Tehàs, Francesc; Giné, Francesc (Springer Verlag, 2015)
      Peer-to-Peer (P2P) computing, the harnessing of idle CPU cycles through the Internet, offers new research challenges in the domain of distributed computing. This paper proposes an efficient, dynamic and scalable overlay ...
    • Double P-Tree: A Distributed Architecture for Large-Scale Video-on-Demand 

      Cores Prado, Fernando; Ripoll, A.; Luque, Emilio (Springer Verlag, 2002)
      In order to ensure a more widespread implementation of video-ondemand (VoD) services, it is essential that the design of cost-effective largescale VoD (LVoD) architectures be able to support hundreds of thousands ...
    • Dynamic Distributed Collaborative Merging Policy to Optimize the Multicasting Delivery Scheme 

      Yang, X. Y.; Hernández Budé, Porfidio; Cores Prado, Fernando; Ripoll, A.; Suppi, Remo; Luque, Emilio (Springer Verlag, 2005)
      The advance of Internet 2 and the proliferation of switches and routers with level three functionalities made the multicast one of the most feasible video streaming delivering techniques for the near future. Assuming ...
    • DynaPeer: A Dynamic Peer-to-Peer Based Delivery Scheme for VoD Systems 

      Souza, Leandro; Cores Prado, Fernando; Yang, Xiaoyuan; Ripoll, A. (Springer Verlag, 2007)
      Supporting Video-on-Demand (VoD) services in Internet is still a challenging issue due to high bandwidth requirement of multimedia contents and additional constraints imposed by such environment: higher delays and jitter, ...
    • Efficient Mapping for Message-Passing Applications Using the TTIG Model: A Case Study in Image Processing 

      Roig Mateu, Concepció; Ripoll, A.; Borrás, Javier; Luque, Emilio (Springer Verlag, 2001)
      In this paper we describe the development and performance of an image processing application with functional parallelism within the PVM framework. The temporal behaviour of the application is statically modelled with ...
    • EMPOWERING, a Smart Big Data Framework for Sustainable Electricity Suppliers 

      Mor, Gerard; Vilaplana Mayoral, Jordi; Danov, Stoyan; Cipriano, Jordi; Solsona Tehàs, Francesc; Chemisana Villegas, Daniel (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      This paper presents the EMPOWERING project, a Big Data environment aimed at helping domestic customers to save electricity by managing their consumption positively. This is achieved by improving the information received ...
    • Enhancing throughput for streaming applications running on cluster systems 

      Guirado Fernández, Fernando; Roig Mateu, Concepció; Ripoll, A. (Elsevier, 2013)
      The exploitation of throughput in a parallel application that processes an input data stream is a difficult challenge. For typical coarse-grain applications, where the computation time of tasks is greater than their ...
    • Exploiting Knowledge of Temporal Behaviour in Parallel Programs for Improving Distributed Mapping 

      Roig Mateu, Concepció; Ripoll, A.; Senar, M.A.; Guirado Fernández, Fernando; Luque, Emilio (Springer Verlag, 2000)
      In the distributed processing area, mapping and scheduling are very important issues in order to exploit the gain from parallelization. The generation of efficient static mapping techniques implies a previous modelling ...
    • Exploiting parallelism on progressive alignment methods 

      Orobitg Cortada, Miquel; Guirado Fernández, Fernando; Notredame, Cedric; Cores Prado, Fernando (Springer Verlag, 2011)
      Multiple Sequence Alignment (MSA) constitutes an extremely powerful tool for important biological applications such as phylogenetic analysis, identification of conserved motifs and domains and structure prediction. In ...
    • Exploiting Throughput for Pipeline Execution in Streaming Image Processing Applications 

      Guirado Fernández, Fernando; Ripoll, A.; Roig Mateu, Concepció; Hernàndez, A.; Luque, Emilio (Springer Verlag, 2006)
      There is a large range of image processing applications that act on an input sequence of image frames that are continuously received. Throughput is a key performance measure to be optimized when executing them. In this ...
    • Exploiting Traffic Balancing and Multicast Efficiency in Distributed Video-on-Demand Architectures 

      Cores Prado, Fernando; Ripoll, A.; Qazzaz, Bahjat; Suppi, Remo; Yang, Xiaoyuan; Hernandez, Porfidio; Luque, Emilio (Springer Verlag, 2003)
      Distributed Video-on-Demand (DVoD) systems are proposed as a solution to the limited streaming capacity and null scalability of centralized systems. In a previous work, we proposed a fully distributed large-scale ...
    • Fully distributed authentication with locality exploitation for the CoDiP2P peer-to-peer computing platform 

      Cores Prado, Fernando; Guirado Fernández, Fernando; Naranjo, J. A. M.; Casado, L. G. (Springer Verlag, 2013)
      CodiP2P is a distributed platform for computation based on the peer-topeer paradigm. This article presents a novel distributed authentication method that suits the platform and adapts to its characteristics. The developed ...
    • H-PC: a cloud computing tool for supervising hypertensive patients 

      Vilaplana Mayoral, Jordi; Solsona Tehàs, Francesc; Abella i Pons, Francesc; Cuadrado, Josep; Teixidó Torrelles, Ivan; Mateo Fornés, Jordi; Rius Torrentó, Josep Maria (Springer Verlag, 2015)
      Hypertension or high blood pressure is a condition on the rise. Not only does it affect the elderly but it is also increasingly spreading to younger sectors of the population. Treating it involves exhaustive monitoring of ...
    • Identification of line-specific strategies for improving carotenoid production in synthetic maize through data-driven mathematical modeling 

      Comas, Jorge; Benfeitas, Rui; Vilaprinyo Terré, Ester; Sorribas Tello, Albert; Solsona Tehàs, Francesc; Farré Martinez, Gemma; Berman Quintana, Judit; Zorrilla López, Uxue; Capell Capell, Teresa; Sandmann, Gerhard; Zhu, Changfu; Christou, Paul; Alves, Rui (Wiley online library, 2016)
      Plant synthetic biology is still in its infancy. However, synthetic biology approaches have been used to manipulate and improve the nutritional and health value of staple food crops such as rice, potato and maize. With ...
    • Implementing and Analysing an Effective Explicit Coscheduling Algorithm on a NOW 

      Solsona Tehàs, Francesc; Giné, Francesc; Molina, Fermín; Hernandez, Porfidio; Luque, Emilio (Springer Verlag, 2001)
      Networks of workstations (NOWs) have become important and cost-effective parallel platforms for scientific computations. In practice, a NOW system is heterogeneous and non-dedicated. These two unique factors make ...