Recent Submissions

  • Five-year trajectories of multimorbidity patterns in an elderly Mediterranean population using Hidden Markov Models 

    Violán Fors, Concepción; Fernández Bertolín, Sergio; Guisado Clavero, Marina; Foguet Boreu, Quintí; Valderas, José Maria; Vidal Manzano, José; Roso Llorach, Albert; Cabrera-Bean, Margarita (Nature, 2020-12)
    Article
    Open Access
    This study aimed to analyse the trajectories and mortality of multimorbidity patterns in patients aged 65 to 99 years in Catalonia (Spain). Five year (2012–2016) data of 916,619 participants from a primary care, population-based ...
  • Projection to latent spaces disentangles pathological effects on brain morphology in the asymptomatic phase of Alzheimer's disease 

    Casamitjana Díaz, Adrià; Petrone, Paula; Molinuevo, Jose Luis; Gispert, Juan Domingo; Vilaplana Besler, Verónica (2020-07-28)
    Article
    Open Access
    Alzheimer's disease (AD) continuum is defined as a cascade of several neuropathological processes that can be measured using biomarkers, such as cerebrospinal fluid (CSF) levels of Aß, p-tau, and t-tau. In parallel, brain ...
  • Neural network aided computation of mutual information for adaptation of spatial modulation 

    Tato, Anxo; Mosquera Nartallo, Carlos; Henarejos, Pol; Pérez Neira, Ana Isabel (2020-05-01)
    Article
    Open Access
    Index Modulations, in the form of Spatial Modulation or Polarized Modulation, are gaining traction for both satellite and terrestrial next generation communication systems. Adaptive Spatial Modulation based links are needed ...
  • Orbit determination for hydroterra mission. An interferometric approach 

    Broquetas Ibars, Antoni; Nicolás Álvarez, Jorge; Carreño Megias, Xavier; Fusté i Lara, Oriol; Aguasca Solé, Alberto (European Space Agency (ESA), 2019)
    Conference lecture
    Restricted access - publisher's policy
  • Combining subword representations into word-level representations in the transformer architecture 

    Casas Manzanares, Noé; Ruiz Costa-Jussà, Marta; Rodríguez Fonollosa, José Adrián (Association for Computational Linguistics, 2020)
    Conference lecture
    Open Access
    In Neural Machine Translation, using word-level tokens leads to degradation in translation quality. The dominant approaches use subword-level tokens, but this increases the length of the sequences and makes it difficult ...
  • A novel dissemination protocol to deploy opportunistic services in federated satellite systems 

    Ruiz De Azúa Ortega, Juan Adrián; Calveras Augé, Anna M.; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2020-08-03)
    Article
    Open Access
    The Earth Observation community is demanding new satellite applications that cover the need of monitoring different areas with high spatial resolution and short revisit times. These applications will generate huge amounts ...
  • Terahertz frequency-scaled differential imaging for Sub-6 GHz vehicular antenna signature analysis 

    Solano-Sanchez, Jose-Antonio; Martinez-Ingles, Maria-Teresa; Molina García-Pardo, José María; Romeu Robert, Jordi; Jofre Roca, Lluís; Ballesteros Sánchez, Christian; Rodriguez, Jose-Victor; Mateo-Aroca, Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2020-10-02)
    Article
    Open Access
    The next generation of connected and autonomous vehicles will be equipped with high numbers of antennas operating in a wide frequency range for communications and environment sensing. The study of 3D spatial angular responses ...
  • Applying cognitive dynamic learning strategies for margins reduction in operational optical networks 

    Notivol Calleja, Luis David; Spadaro, Salvatore; Perelló Muntan, Jordi; Junyent Giralt, Gabriel (2020-09-01)
    Article
    Restricted access - publisher's policy
    Today's optical transport networks are complex already and the support of the new arising services will further increase such complexity. Traditional deterministic network procedures will need to be revisited, especially ...
  • Single-pass soil moisture retrievals using GNSS-R: lessons learned 

    Camps Carmona, Adriano José; Hyuk, Park; Castellví Esturi, Jordi; Corbera, Jordi; Ascaso, Emili (Multidisciplinary Digital Publishing Institute (MDPI), 2020-06-01)
    Article
    Open Access
    In this paper, an algorithm to retrieve surface soil moisture from GNSS-R (Global Navigaton Satellite System Reflectometry) observations is presented. Surface roughness and vegetation effects are found to be the most ...
  • Economic forecasting with evolved confidence indicators 

    Claveria González, Oscar; Monte Moreno, Enrique; Torra Porras, Salvador (2020-12-01)
    Article
    Restricted access - publisher's policy
    We present a machine-learning method for sentiment indicators construction that allows an automated variable selection procedure. By means of genetic programming, we generate country-specific business and consumer confidence ...
  • Time series features and machine learning forecasts 

    Claveria González, Oscar; Monte Moreno, Enrique; Torra Porras, Salvador (2020-09-16)
    Article
    Restricted access - publisher's policy
    In this study we combine the results of two independent analyses to position Spanish regions according to both the characteristics of the time series of international tourist arrivals and the accuracy of predictions of ...
  • Super-resolution of Sensinel-2 imagery using generative adversarial networks 

    Salgueiro Romero, Luis Fernando; Marcello, Javier; Vilaplana Besler, Verónica (Multidisciplinary Digital Publishing Institute (MDPI), 2020-07-28)
    Article
    Open Access
    Sentinel-2 satellites provide multi-spectral optical remote sensing images with four bands at 10 m of spatial resolution. These images, due to the open data distribution policy, are becoming an important resource for several ...

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