Ara es mostren els items 4671-4690 de 245581

    • A list of parameterized problems in bioinformatics 

      Félix Ávila, Liliana; García Chacón, Alina; Serna Iglesias, María José; Thilikos Touloupas, Dimitrios (2006-05)
      Report de recerca
      Accés obert
      In this report we present a list of problems that originated in bionformatics. Our aim is to collect information on such problems that have been analyzed from the point of view of Parameterized Complexity. For every problem ...
    • A literature review of design of criteria for supplier selection 

      Ristono, Agus; Pratikto; Santoso, Purnomo Budi; Tama, Ishardita Pambudi (OmniaScience, 2018-12)
      Article
      Accés obert
      Purpose: This paper proposes a new model for further research on how to select criteria in supplier selection, through a literature review and analysis of the advantages and disadvantages of previously used methods. D ...
    • A literature review on information systems support for the cooperation of firms within networks 

      Fernandez Martos, Xènia (Universitat Politècnica de Catalunya, 2012)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      Nowadays, any company wants to gain a clear competitive advantage in the market. In order to reach this goal it can be important to participate in networks, especially in the case of small and medium enterprises (SMEs). ...
    • A literature review on learned helplessness in school environments 

      Cabeza Loriente, Alberto Manuel (Universitat Politècnica de Catalunya, 2017-06-22)
      Projecte Final de Màster Oficial
      Accés obert
      Learned helplessness is a form of learning which develops when the subject perceives a loss of control in inescapable situations. This can lead to the development of cognitive and social deficits. Main research on this ...
    • A literature review on thermal comfort performance of parametric façades 

      Yazdibahri, Seyedehsara; Alier Forment, Marc; Sánchez Riera, Alberto; Bagheri Moghaddam, Faezeh; Casany Guerrero, María José; Llorens García, Ariadna (Elsevier, 2022-10)
      Article
      Accés obert
      Thermal performance is a major part of the building envelope and is getting more attention globally. Nowadays, parametric design methods are used in building envelope design, such as facade design, for optimization of ...
    • A Living from eggs and poultry 

      Brown, Herbert W. (Orange Judd Company, 1917)
      Llibre
      Accés obert
    • A load balancing method for parallel genetic CFD optimizations 

      Aizpurua Udabe, Imanol; Lehmkuhl Barba, Oriol; Borrell Pol, Ricard; Pérez Segarra, Carlos David; Oliva Llena, Asensio (2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      CFD optimizations are characterized by long and highly variable objective function evaluation times. The aim of this study is to improve the parallel performance using a new load balancing master-worker parallelization ...
    • A local algorithm for the computation of image velocity via constructive interference of global Fourier components 

      Dellen, Babette; Wörgötter, Florentin (2011)
      Article
      Accés obert
      A novel Fourier-based technique for local motion detection from image sequences is proposed. In this method, the instantaneous velocities of local image points are inferred directly from the global 3D Fourier components ...
    • A local constitutive model for the discrete element method: application to geomaterials and concrete 

      Oñate Ibáñez de Navarra, Eugenio; Zárate Araiza, José Francisco; Miquel Canet, Juan; Santasusana Isach, Miquel; Celigueta Jordana, Miguel Ángel; Arrufat Garcia, Ferran; Gandikota, Varadaraju; Valiullin, Khaydar; Ring, Lev (Springer, 2015-06)
      Article
      Accés obert
      This paper presents a local constitutive model for modelling the linear and non linear behavior of soft and hard cohesive materials with the discrete element method (DEM). We present the results obtained in the analysis ...
    • A local multiple proper generalized decomposition based on the partition of unity 

      Ibáñez Pinillo, Rubén; Abisset Chavanne, Emmanuelle; Chinesta Soria, Francisco; Huerta, Antonio; Cueto Prendes, Elias (John Wiley & sons, 2019-10-12)
      Article
      Accés obert
      It is well known that model order reduction techniques that project the solution of the problem at hand onto alow-dimensional subspace present difficulties when this solution lies on a non-linear manifold. To overcomethese ...
    • A local stability condition for dc grids with constant power loads 

      Arocas Pérez, José; Griñó Cubero, Robert (2017-07-01)
      Article
      Accés obert
      Currently, there are an increasing number of power electronics converters in electrical grids, performing the most diverse tasks, but most of them, work as constant power loads (CPLs). This work presents a sufficient ...
    • A localized mapped damage model for orthotropic materials 

      Pelà, Luca; Cervera Ruiz, Miguel; Oller Martínez, Sergio Horacio; Chiumenti, Michele (2014-05-08)
      Article
      Accés restringit per política de l'editorial
      This paper presents an implicit orthotropic model based on the Continuum Damage Mechanics isotropic models. A mapping relationship is established between the behaviour of the anisotropic material and that of an isotropic ...
    • A locally adaptive kernel regression method for facies delineation 

      Fernández García, Daniel; Barahona-Palomo, Marco; Henri, Christopher Vincent; Sánchez Vila, Francisco Javier (2015-12-01)
      Article
      Accés obert
    • A locally extended finite element method for the simulation of multi-fluid flows using the Particle Level Set method 

      Kamran, Kamran; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio (2015-09)
      Article
      Accés obert
      The simulation of immiscible two-phase flows on Eulerian meshes requires the use of special techniques to guarantee a sharp definition of the evolving fluid interface. This work describes the combination of two distinct ...
    • A Location-Routing Model for a Two-Echelon System of Urban 

      Mercadé Ruiz, Laia (Universitat Politècnica de Catalunya, 2013-11)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      The freight distribution system of many cities suffering from congestion is based on the use of a single echelon of consolidation facilities that are located in the city outskirts. In this thesis, the introduction of a ...
    • A locking-free face-centred finite volume (FCFV) method for linear elastostatics 

      Sevilla Cárdenas, Rubén; Giacomini, Matteo; Huerta, Antonio (2019-02-01)
      Article
      Accés obert
      A face-centred finite volume (FCFV) method is proposed for linear elastostatic problems. The FCFV is a mixed hybrid formulation, featuring a system of first-order equations, that defines the unknowns on the faces (edges ...
    • A log-ratio biplot approach for exploring genetic relatedness based on identity by state 

      Graffelman, Jan; Galván Femenía, Iván; de Cid, Rafael; Barceló Vidal, Carles (2019-04-24)
      Article
      Accés obert
      The detection of cryptic relatedness in large population-based cohorts is of great importance in genome research. The usual approach for detecting closely related individuals is to plot allele sharing statistics, based on ...
    • A logic approach for exceptions and anomalies in association rules 

      Delgado, M.; Sánchez, Daniel; Ruiz, M.D. (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2008)
      Article
      Accés obert
      Association rules have been used for obtaining information hidden in a database. Recent researches have pointed out that simple associations are insu cient for representing the diverse kinds of knowledge collected in ...
    • A logic of graph conditions extended with paths 

      Navarro Gomez, Marisa; Orejas Valdés, Fernando; Pino Blanco, Elvira; Lambers, Leen (2016)
      Text en actes de congrés
      Accés obert
      In this paper we tackle the problem of extending the logic of nested graph conditions with paths. This means, for instance, that we may state properties about the existence of paths between some given nodes. As a main ...
    • A logic of graph conditions extended with paths 

      Navarro Gomez, Marisa; Orejas Valdés, Fernando; Pino Blanco, Elvira; Lambers, Leen (2016)
      Text en actes de congrés
      Accés obert
      In this paper we tackle the problem of extending the logic of nested graph conditions with paths. This means, for instance, that we may state properties about the existence of paths between some given nodes. As a main ...