Ara es mostren els items 40084-40103 de 84474

  • Graph partitioning for the reduction of data transfer in task-based programming models 

    Sánchez Barrera, Isaac (Universitat Politècnica de Catalunya, 2016-07)
    Projecte Final de Màster Oficial
    Accés restringit per decisió de l'autor
    Realitzat a/amb: Barcelona Supercomputing Centre (BSC)
    Current high performance computing architectures are composed of large shared memory NUMA nodes, among other components. Such nodes are becoming increasingly complex as they have several NUMA domains with different access ...
  • Graph representatives: two different approaches based on the median and the barycenter concepts 

    Bardaji Goikoetxea, Itziar (Universitat Politècnica de Catalunya, 2009-09)
    Projecte Final de Màster Oficial
    Accés restringit per decisió de l'autor
    The straight advantages of the use of graphs for representation purposes appear to be useless in some applications due to the lack of mathematical structure in graph domains. An illustrative example is the problem of ...
  • Graph theory-based measures as predictors of gene morbidity 

    Massanet Vila, Raimon; Caminal Magrans, Pere; Perera Lluna, Alexandre (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
    Article
    Accés obert
    Previous studies have suggested that some graph properties of protein interaction networks might be related with gene morbidity. In particular, it has been suggested that when a polymorphism affects a gene, it is more ...
  • Graph-based k-means clustering: A comparison of the set versus the generalized median graph 

    Ferrer Sumsi, Miquel; Valveny, Ernest; Serratosa Casanelles, Francesc; Bardaji Goikoetxea, Itziar; Bunke, Horst (Springer Berlin / Heidelberg, 2009)
    Capítol de llibre
    Accés restringit per política de l'editorial
    In this paper we propose the application of the generalized median graph in a graph-based k-means clustering algorithm. In the graph-based k-means algorithm, the centers of the clusters have been traditionally represented ...
  • Graph-based segmentation of range data with applications to 3D urban mapping 

    Ortega Jiménez, Agustín Alberto; Haddad Casadevall, Ismael; Andrade-Cetto, Juan (2010)
    Text en actes de congrés
    Accés obert
    This paper presents an efficient graph-based algorithm for the segmentation of planar regions out of 3D range maps of urban areas. Segmentation of planar surfaces in urban scenarios is challenging because the data acquired ...
  • 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 ...
  • Graph-based techniques for compression and reconstruction of sparse sources 

    Ramírez Jávega, Francisco (Universitat Politècnica de Catalunya, 2016-01-20)
    Tesi
    Accés obert
    The main goal of this thesis is to develop lossless compression schemes for analog and binary sources. All the considered compression schemes have as common feature that the encoder can be represented by a graph, so they ...
  • Graph-partitioning based instruction scheduling for clustered processors 

    Aleta Ortega, Alexandre; Codina Viñas, Josep M.; Sánchez Navarro, F. Jesús; González Colás, Antonio María (Institute of Electrical and Electronics Engineers (IEEE), 2001)
    Text en actes de congrés
    Accés obert
    This paper presents a novel scheme to schedule loops for clustered microarchitectures. The scheme is based on a preliminary cluster assignment phase implemented through graph partitioning techniques followed by a scheduling ...
  • Grapheme-to-phoneme conversion in the era of globalization 

    Polyàkova, Tatyana V. (Universitat Politècnica de Catalunya, 2015-03-13)
    Tesi
    Accés obert
    This thesis focuses on the phonetic transcription in the framework of text-to-speech conversion, especially on improving adaptability, reliability and multilingual support in the phonetic module. The language is constantly ...
  • Graphene based devices for photonic networks 

    González Soto, Jaime (Universitat Politècnica de Catalunya, 2015-05)
    Projecte/Treball Final de Carrera
    Accés obert
    The objective of this project is to apply graphene properties to a silicon waveguide ring resonator structure in order to design a reconfigurable optical filter. Taking that the refractive index of graphene under these ...
  • Graphene nanoplatelets as a multifunctional filler for polymer foams 

    Antunes, Marcelo de Sousa Pais; Gedler, Gabriel; Abbasi, Hooman; Velasco Perero, José Ignacio (Elsevier, 2016-03)
    Article
    Accés obert
    Due to their high mechanical and transport properties, graphene-derived materials have aroused a great deal of interest in the most varied sectors. Among these, graphene nanoplatelets have been gaining interest due to the ...
  • Graphene nanoplatelets-reinforced polyetherimide foams prepared by water vapor-induced phase separation 

    Abbasi, Hooman; Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio (2015-05)
    Article
    Accés restringit per política de l'editorial
    The present work considers the preparation of medium-density polyetherimide foams reinforced with variable amounts of graphene nanoplatelets (1–10 wt%) by means of water vapor-induced phase separation (WVIPS) and their ...
  • Graphene optoelectronics from the visible to the mid-infrared 

    Badioli, Michela (Universitat Politècnica de Catalunya, 2015-12-04)
    Tesi
    Accés obert
    Since its discovery in 2004, graphene, a one-atom-thick layer of carbon atoms arranged in a hexagonal lattice, has attracted huge interest from the scientific community due to its extraordinary electronic, mechanical, and ...
  • Graphene oxide as a pathogen-revealing agent: sensing with a digital-like response 

    Morales Narváez, Eden; Hassan, Abdel-Rahim; Merkoçi, Arben (2013-12-16)
    Article
    Accés restringit per política de l'editorial
    Turned ON by a pathogen: A highly sensitive pathogen-detection system has been designed and evaluated for the sensing of E. coli bacteria in diverse matrices. It employs antibody-quantum dot (Ab-QD) probes and exploits the ...
  • Graphene-enabled Photonic Networks On-Chip 

    Hurtado Martínez, David (Universitat Politècnica de Catalunya, 2015-02)
    Treball Final de Grau
    Accés restringit per acord de confidencialitat
    [ANGLÈS] Moore’s Law is still the technology driver for the IT industry and, particularly, for the computers architecture; nevertheless, cores with high transistors density are energetically inefficient. As a consequence ...
  • Graphene-enabled wireless communication for massive multicore architectures 

    Abadal Cavallé, Sergi; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto; Lemme, Max; Nemirovsky, Mario (2013-11-11)
    Article
    Accés restringit per política de l'editorial
    Current trends in microprocessor architecture design are leading towards a dramatic increase of core-level parallelization, wherein a given number of independent processors or cores are interconnected. Since the main ...
  • Graphene-induced crystallinity of bisphenol A polycarbonate in the presence of supercritical carbon dioxide 

    Gedler, Gabriel; Antunes, Marcelo de Sousa Pais; Velasco Perero, José Ignacio (Elsevier, 2013-11-01)
    Article
    Accés restringit per política de l'editorial
    Changes in the crystallinity of polycarbonate (PC) induced by the simultaneous presence of 0.5 wt% graphene nanoplatelets (GnP) and supercritical carbon dioxide (sc-CO2) were examined by means of Raman spectroscopy, WAXS, ...
  • Graphic GRAFCET diagram editor based on GeCé 

    Gómez Crespo, Samuel (Universitat Politècnica de Catalunya, 2011-09-21)
    Projecte Final de Màster Oficial
    Accés obert
    Editor gràfic de diagrames GRAFCET basat en la metodologia GeCé. Permet l'edició, verificació, i generació de codi C.
  • Graphical and incremental type inference: a graph transformation approach 

    Clérici Martínez, Silvia Inés; Zoltan Torres, Ana Cristina; Prestigiacomo, Guillermo (2009-11-17)
    Report de recerca
    Accés obert
    We present a graph grammar based type inference system for a totally graphic development language. NiMo (Nets in Motion) can be seen as a graphic equivalent to Haskell that acts as an on-line tracer and debugger. Programs ...
  • Graphical Animation of Transition Systems Behaviour 

    Cortada Ballester, Albert (Universitat Politècnica de Catalunya, 2014-04-25)
    Treball Final de Grau
    Accés obert
    [CATALÀ] Aquest treball presenta una aplicació gràfica d'escriptori, que s'encarrega de dues tasques. Per una banda, permet representar sistemes de transicions en forma de graf. D'altra banda, permet simular una execució ...