Ara es mostren els items 1954-1973 de 93170

  • A frame element model for the analysis of reinforced concrete structures under shear and bending 

    Mohr, Stefen; Bairán García, Jesús Miguel; Marí Bernat, Antonio Ricardo (2010-10-01)
    Article
    Accés restringit per política de l'editorial
    Modeling the response of reinforced concrete structures under combined shear and normal forces involves handling the anisotropic behavior that takes place in the post-cracked and ultimate ranges. Current 2D (plane-stress ...
  • A Frame-dependent oracle for linear hierarchical radiosity: a step towards frame-to-frame 

    Martín Campos, Ignacio Clemente; Tost Pardell, Daniela; Pueyo Sánchez, Xavier (1996-01)
    Report de recerca
    Accés obert
    A frame-based oracle for Hierarchical Radiosity (HR) is proposed which takes into account the Gouraud shading interpolated intensity values mapped from the radiosities. The algorithm is based on a linear approximation ...
  • A framework based on a fittingness factor to enable efficient exploitation of spectrum opportunities in cognitive radio networks 

    Bouali, Faouzi; Sallent Roig, José Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (2011)
    Text en actes de congrés
    Accés obert
    In order to increase CRs (Cognitive Radios) operation efficiency, there has been an interest in increasing awareness level about spectrum utilisation. In this respect, this paper proposes a new fittingness factor concept ...
  • A Framework for animation in global illumination environments 

    Martín Campos, Ignacio Clemente; Pueyo, X; Tost Pardell, Daniela (1998-06)
    Text en actes de congrés
    Accés obert
    This paper proposes a framework for the production of animations of high quality radiosity environments which makes use of the a-priori knowledge of the dynamic properties of the scene in order to exploit temporal ...
  • A framework for building OLAP cubes on graphs 

    Ghrab, Amine; Romero Moral, Óscar; Skhiri, Sabri; Vaisman, Alejandro; Zimányi, Esteban (Springer, 2015)
    Text en actes de congrés
    Accés obert
    Graphs are widespread structures providing a powerful abstraction for modeling networked data. Large and complex graphs have emerged in various domains such as social networks, bioinformatics, and chemical data. However, ...
  • A framework for designing new products and services 

    Huertas Garcia, Rubén; Consolación Segura, Carolina María (2009)
    Article
    Accés restringit per política de l'editorial
    Customer satisfaction is an important objective in all areas of business and services. A key issue in today's design activities is to achieve customer satisfaction in an economical way by finding the attributes that are ...
  • A framework for developing finite element codes for multi-disciplinary applications. 

    Dadvand, Pooyan (Universitat Politècnica de Catalunya, 2007-07-13)
    Tesi
    Accés obert
    The world of computing simulation has experienced great progresses in recent years and requires more exigent multidisciplinary challenges to satisfy the new upcoming demands. Increasing the importance of solving ...
  • A framework for dynamic network architecture and topology optimization 

    Shafigh, Alireza Shams; Lorenzo, Beatriz; Glisic, Savo; Pérez Romero, Jordi; DaSilva, Luiz A.; MacKenzie, Allen B.; Röning, Juha (2016-04)
    Article
    Accés obert
    A new paradigm in wireless network access is presented and analyzed. In this concept, certain classes of wireless terminals can be turned temporarily into an access point (AP) anytime while connected to the Internet. This ...
  • A framework for effective implementation of lean production in small and medium-sized enterprises 

    Belhadi, Amine; Touriki, Fatima Ezzahra; El Fezazi, Said (OmniaScience, 2016-10)
    Article
    Accés obert
    Purpose: The present paper aims at developing an effective framework including all the components required for implementing lean production properly in Small and Medium-sized Enterprises. Design/methodology/approach: ...
  • A framework for efficient execution of matrix computations 

    Herrero Zaragoza, Jose Ramón (Universitat Politècnica de Catalunya, 2006-07-07)
    Tesi
    Accés obert
    Matrix computations lie at the heart of most scientific computational tasks. The solution of linear systems of equations is a very frequent operation in many fields in science, engineering, surveying, physics and ...
  • A framework for integrating data alignment, distribution, and redistribution in distributed memory multiprocessors 

    García Almiñana, Jordi; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José (2001-04)
    Article
    Accés restringit per política de l'editorial
    Parallel architectures with physically distributed memory provide a cost-effective scalability to solve many large scale scientific problems. However, these systems are very difficult to program and tune. In these systems, ...
  • A framework for joint design of pilot sequence and linear precoder 

    Pastore, Adriano; Joham, Michael; Rodríguez Fonollosa, Javier (2016-09-01)
    Article
    Accés obert
    Most performance measures of pilot-assisted multiple-input multiple-output systems are functions of the linear precoder and the pilot sequence. A framework for the optimization of these two parameters is proposed, based ...
  • A framework for multidimensional design of data warehouses from ontologies 

    Romero Moral, Óscar; Abelló Gamazo, Alberto (2009-07)
    Report de recerca
    Accés obert
    Some research efforts have proposed the automation of the data warehouse design in order to free this task of being (completely) performed by an expert and facilitate the whole process. Most advanced approaches exclusively ...
  • A framework for multidimensional indexes on distributed and highly-available data stores 

    Cugnasco, Cesare; Becerra Fontal, Yolanda (Barcelona Supercomputing Center, 2015-05-05)
    Text en actes de congrés
    Accés obert
    No-relational databases are nowadays a common solution when dealing with a huge data set and massive query workload. These systems have been redesigned from scratch in order to achieve scalability and availability at ...
  • A framework for multidimensional modelling of spectrum occupancy in the simulation of cognitive radio systems 

    López Benitez, Miguel; Casadevall Palacio, Fernando José (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Spectrum models play a key role in the research of Dynamic Spectrum Access/Cognitive Radio (DSA/CR) systems. Models existing to date are able to characterise the statistical properties of spectrum occupancy in only one ...
  • A framework for network traffic analysis using GPUs 

    Suñé Clos, Marc (Universitat Politècnica de Catalunya, 2010-01)
    Projecte/Treball Final de Carrera
    Accés obert
    During the last years the computer networks have become an important part of our society. Networks have kept growing in size and complexity, making more complex its management and traffic monitoring and analysis processes, ...
  • A framework for rendering, simulation and animation of crowds 

    Pelechano Gómez, Núria; Spanlang, Bernhard; Beacco Porres, Alejandro (2009)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Real-time crowd simulation for virtual environment applications requires not only navigation and locomotion in large environments while avoiding obstacles and agents, but also rendering high quality 3D fully articulated ...
  • A Framework for RNAV trajectory generation minimizing noise nuisances 

    Prats Menéndez, Xavier; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; Mora Camino, F. (Faculty of Transport and Traffic Engineering, 2006-06)
    Text en actes de congrés
    Accés obert
    In this work it is presented a framework for a global optimization tool that will take into account air craft dynamics and performances, noise nuisances and RNAV radionavigation requirements in order to assess an optimum ...
  • A framework for robotized teleoperated tasks 

    Basañez Villaluenga, Luis; Rosell Gratacòs, Jan; Palomo Avellaneda, Leopold; Nuño Ortega, Emmanuel; Portilla Rodríguez, Henry (Escuela Superior de Ingenieros de la Universidad de Sevilla, 2011)
    Text en actes de congrés
    Accés obert
    Teleoperation systems allow the extension of the human operator’s sensing and manipulative capability into a remote environment to perform tasks at a distance, but the time-delays in the communications affect the stability ...
  • A framework for robustness assessment in the context of corroded RC structures 

    Cavaco, E. S.; Neves, L. A. C.; Casas Rius, Joan Ramon; Huespe, Alfredo Edmundo (CRC Press, 2010)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Structural robustness is an emergent concept related to the structural response to damage. At the present time, robustness is not well defined and much controversy still remains around this subject. Even if robustness has ...