Ara es mostren els items 1965-1984 de 93113

  • 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 ...
  • A framework for software reference architecture analysis and review 

    Martínez Fernández, Silverio Juan; Ayala Martínez, Claudia Patricia; Franch Gutiérrez, Javier; Martins Marques, Helena; Ameller, David (2013)
    Text en actes de congrés
    Accés obert
    Tight time-to-market needs pushes software companies and IT consulting firms to continuously look for techniques to improve their IT services in general, and the design of software architectures in particular. The use of ...
  • A framework for structural systems based on the principles of statistical mechanics 

    Andújar Moreno, Rabindranath; Roset Calzada, Jaime; Kilar, Vojko (2014-11)
    Article
    Accés obert
  • A Framework for successful new product development 

    Bhuiyan, Nadia (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2011-12)
    Article
    Accés obert
    Purpose: The purpose of this paper is to propose a framework of critical success factors, metrics, and tools and techniques for implementing metrics for each stage of the new product development (NPD) process. Design/ ...
  • A framework for the definition of metrics for actor-dependency models 

    Franch Gutiérrez, Javier; Grau Colom, Gemma; Quer Bosor, Maria Carme (2004-02)
    Report de recerca
    Accés obert
    Actor-dependency models are a formalism aimed at providing intentional descriptions of processes as a network of dependency relationships among actors. This kind of models is currently widely used in the early phase ...
  • A framework for the development and maintenance of adaptive, dynamic, context-aware information services 

    Palau, Manel; Gómez Sebastià, Ignasi; Ceccaroni, Luigi; Vázquez Salceda, Javier; Nieves Sánchez, Juan Carlos (2010)
    Text en actes de congrés
    Accés obert
    This paper presents an agent-based methodological approach to design distributed service-oriented systems which can adapt their behaviour according to changes in the environment and in the user needs, even taking the ...
  • A Framework for the evolution of temporal conceptual schemas of information systems (extended version) 

    López-Roldan Otaduy, José R.; Olivé Ramon, Antoni (2000-02)
    Report de recerca
    Accés obert
    This paper focuses on the problem of information systems evolution. Ideally, changes in the requirements of information systems should be defined and managed at the conceptual schema level, with an automatic propagation ...
  • A framework for user-centered declarative ETL 

    Theodorou, Vasileios; Abelló Gamazo, Alberto; Thiele, Maik; Lehner, Wolfgang (2014)
    Text en actes de congrés
    Accés obert
    As business requirements evolve with increasing information density and velocity, there is a growing need for efficiency and automation of Extract-Transform-Load (ETL) processes. Current approaches for the modeling and ...
  • A Framework of hierarchical graphs and its application to the semantics of SRML 

    Mylonakis Pascual, Nicolás; Orejas Valdés, Fernando (2012)
    Report de recerca
    Accés obert
    Hierarchical grapsh or, in general, hierarchical graph structures are needed when describing visual models at different levels of abstraction. This is the case of the semantic model of SRML, the service modeling language ...
  • A Framework proposal for monitoring and evaluating training in ERP implementation project 

    Esteves, José; Pastor Collado, Juan Antonio; Casanovas Garcia, Josep (2003-02)
    Report de recerca
    Accés obert
    During the last years some researchers have studied the topic of critical success factors in ERP implementations, out of which 'training' is cited as one of the most ones. Up to this moment, there is not enough research ...
  • A framework to take account of CO2 restrictions on municipal urban planning 

    Cuchí Burgos, Alberto; Mourao Terra, Joana; Pagès Ramon, Anna (2009)
    Text en actes de congrés
    Accés obert
  • A Free accessible individual-based simulator enabling virtual experiments on soil organic matter processes in classroom 

    Gras Moreu, Anna Maria; Cañadas Lorenzo, Juan Carlos; Ginovart Gisbert, Marta (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-09)
    Article
    Accés obert
    This work addresses and aims to fulfil a very clear need in teaching biosystem engineering. When introducing students to the complexity of soil processes, one of the frustrations that teachers ofen experience is ...