Recerca: Enviaments recents

Ara mostrant els elements 961-980 de 2793

    • A Smart Campus’ Digital Twin for Sustainable Comfort Monitoring 

      Zaballos Diego, Agustín; Briones Delgado, Alan; Massa, Alba; Centelles Perxés, Pol; Caballero Codina, Víctor (Sustainability, 2020, Vol. 12, No. 21, 2020-11)
      Interdisciplinary cross-cultural and cross-organizational research offers great opportunities for innovative breakthroughs in the field of smart cities, yet it also presents organizational and knowledge ...

    • Inferring the votes in a new political landscape: the case of the 2019 Spanish Presidential elections 

      Grimaldi, Didier; Diaz Cely, Javier; Arboleda, Hugo (Journal of Big Data, 2020, 2020-08)
      The avalanche of personal and social data circulating in Online Social Networks over the past 10 years has attracted a great deal of interest from Scholars and Practitioners who seek to analyse not only ...

    • Classifying Microcalcifications in Digital Mammograms using Machine Learning techniques 

      Golobardes, Elisabet; Martí, Joan; Español, Josep; Salamó Llorente, Maria; Freixenet, Jordi; Llorà Fàbrega, Xavier; Maroto, Albert; Bernadó Mansilla, Ester (2001-10)
      This paper presents a Computer Aided Diag­nosis (CAD) of breast cancer from mammograms. The first part involves severa! image processing techniques, which extract a set of features from the microcalcifications ...

    • Sistemas Operativos, un análisis a largo plazo de los procesos de innovación docente 

      Canaleta Llampallas, Xavier (2018-07)
      A menudo los análisis que se realizan sobre los procesos de innovación docente suelen ser cortoplacistas. Muchas ponencias y artículos presentan resultados entre dos y tres cursos académicos como máximo. ...

    • Markets for data 

      Thomas, Llewellyn D.W.; Leiponen, Aija; Koutroumpis, Pantelis (Industrial and Corporate Change, 2020, Vol. 29, No. 3, 2020-03)
      Although datasets are abundant and assumed to be immensely valuable, they are not being shared or traded openly and transparently on a large scale. We investigate the nature of data trading with a ...

    • Generació de funcions de similitud mitjançant la Programació Genetica pel Raonament Basat en Casos 

      Golobardes, Elisabet; Nieto, Mireya; Camps Dausà, Joan; Calzada, Gemma; Martí, Joan; Vernet Bellet, David; Salamó Llorente, Maria (2001-10)
      El raonament basat en casos recupera casos utilit­zant una funció de similitud. La funció de simi­litud permet extraure els casos més similars de la memoria de casos al nou cas que volem resoldre. Per ...

    • Mobile robot guidance using cellular neural networks and fuzzy logic 

      Balsi, Marco; Maraschini, Alessandro; Apicella, Giada; Luengo Álvarez, Sonia; Vilasís Cardona, Xavier (2001-10)
      We show how a Cellular Neural Networks based im­age processing system together with a Tuzzy Logic controller are capable of providing the necessary signal processing to guide an autonomous mobile robot ...

    • Observations of B0 s → ψ(2S)η and B0 (s) → ψ(2S)π+π− decays 

      Abellan Beteta, Carlos; Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Nuclear Physics B, 2013, Vol. 871, No. 3, 2013-06)
      First observations of the B0s→ψ(2S)η,B0→ψ(2S)π+π− and B0s→ψ(2S)π+π− decays are made using a dataset corresponding to an integrated luminosity of 1.0 fb−1 collected by the LHCb experiment in proton–proton ...

    • Measurement of relative branching fractions of B decays to ψ(2S) and J/ψ mesons 

      Abellan Beteta, Carlos; Calvo Gómez, Míriam; Camboni, Alessandro; Domingo Bonal, Francesc; Roselló Canal, Mar; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (The European Physical Journal C, 2012, Vol. 72, No. 2118, 2012-08)
      The relative rates of B-meson decays into J/ψ and ψ(2S) mesons are measured for the three decay modes in pp collisions recorded with the LHCb detector. The ratios of branching fractions (B) are measured ...

    • Ambivalencia emocional en The Last of Us. Las emociones en los videojuegos, entre la complejidad narrativa y la lealtad del jugador 

      Anyó, Lluís (L’Atalante. Revista de estudios cinematográficos, núm. 31, 2021, 2021)
      Se propone aquí pensar la complejidad a través del análisis narratológico de las emociones videolúdicas, que tendrán una dimensión doble, la primera más relacionada con los recursos del lenguaje audiovisual ...

    • Measurement of the forward energy flow in pp collisions at √s = 7 TeV 

      Abellan Beteta, Carlos; Calvo Gómez, Míriam; Camboni, Alessandro; Domingo Bonal, Francesc; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (The European Physical Journal C, 2013, Vol. 73, No. 2421, 2013-05)
      The energy flow created in pp collisions at √s = 7 TeV is studied within the pseudorapidity range 1.9 <η< 4.9 with data collected by the LHCb experiment. The measurements are performed for inclusive ...

    • Determination of the quark coupling strength |Vub| using baryonic decays 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Nature Physics, 2015, Vol. 11, 2015-07)
      In the Standard Model of particle physics, the strength of the couplings of the b quark to the u and c quarks, |Vub| and |Vcb|, are governed by the coupling of the quarks to the Higgs boson. Using data ...

    • Measurement of the CP-violating phase φsin B0s→J/ψπ+π−decays 

      Badalov, Alexey; Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physics Letters B, 2014, Vol. 736, 2014-09)
      The mixing-induced CP-violating phase in and decays is measured using the final state in data, taken from 3 fb−1 of integrated luminosity, collected with the LHCb detector in 7 and 8 TeV centre-of-mass ...

    • Search for the doubly charmed baryon Ξ+ cc 

      Badalov, Alexey; Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2013, No. 90, 2013-12)
      A search for the doubly charmed baryon Ξ+ cc in the decay mode Ξ+ cc→ Λ + c K−π + is performed with a data sample, corresponding to an integrated luminosity of 0.65 fb−1 , of pp collisions recorded at ...

    • New methods and technologies for enhancing usability and accessibility of educational data 

      Fonseca Escudero, David; García-Peñalvo, Francisco José; Camba, Jorge D. (Universal Access in the Information Society, 2020, 2020-10)

    • Small is big in ICT: The impact of R&D on productivity 

      Koutroumpis, Pantelis; Leiponen, Aija; Thomas, Llewellyn D.W. (Telecommunications Policy, 2020, 2019-07)
      We examine the contribution of R&D to firm productivity in a large panel of European firms and study its variation with the age, size, and sub-sector of firms. We find that R&D capital in ICT firms has ...

    • Evidence for the decay X(3872) →ψ(2S)γ 

      Badalov, Alexey; Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Nuclear Physics B, 2014, Vol. 886, 2014-09)
      Evidence for the decay mode X(3872) →ψ(2S)γ in B+→X(3872)K+decays is found with a sig-nificance of 4.4 standard deviations. The analysis is based on a data sample of proton–proton collisions, corresponding ...

    • Evolution of Decision Trees 

      Llorà Fàbrega, Xavier; Garrell i Guiu, Josep Maria (2001-10)
      This paper addresses the issue of the induction of orthogonal, oblique and mul­tivariate decision trees. Algorithms pro­posed by other researchers use heuristic, usually based on the information gain ...

    • Optimizacion de la accesibilidad web a partir de la experiencia de uso con usuarios discapacitados 

      Fonseca Escudero, David; Villegas Portero, Eva; Navarro Delgado, Isidro; Pifarré, Marc; Sorribas, Xavier (2009-06)
      La accesibilidad web, incluso la accesibilidad a espacios reales son conceptos ampliamente definidos en la mayoría de casos por expertos en el tema y habitualmente implementados por diseñadores o ...

    • Measurement of the B0–B0 oscillation frequency md with the decays B0→D−π+ and B0→J/ψK∗0 

      Abellan Beteta, Carlos; Calvo Gómez, Míriam; Domingo Bonal, Francesc; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Letters B, Vol. 719, 2013-01)
      The B0–B0oscillation frequency mdis measured by the LHCb experiment using a dataset correspondingto an integrated luminosity of 1.0fb−1of proton–proton collisions at√s=7TeV,and is found to be ...