Recent Submissions

  • A federated learning method for real-time emotion state classification from multi-modal streaming 

    Arijit, Nandi; Xhafa Xhafa, Fatos (Elsevier, 2022-03-18)
    Article
    Restricted access - publisher's policy
    Emotional and physical health are strongly connected and should be taken care of simultaneously to ensure completely healthy persons. A person’s emotional health can be determined by detecting emotional states from various ...
  • Pulmonary function and radiologic features in survivors of critical COVID-19: a 3-month prospective cohort 

    González Gutiérrez, Jessica; Benítez Iglesias, Iván D.; Carmona Arias, Paola; Santisteve, Sallya; Monge Esqué, Aida; Moncusí Moix, Anna; Gort Paniello, Clara; Pinilla Latorre, Lucía; Carratalá García, Amara; Zuil Moreno, María; Ferrer Roca, Ricard; Ceccato, Adrián; Fernández Barat, Laia; Motos Galera, Ana; Riera del Brío, Jordi; Menéndez Villanueva, Rosario; Garcia Gasulla, Dario (2021-07)
    Article
    Open Access
    BACKGROUND: More than 20% of hospitalized patients with COVID-19 demonstrate ARDS requiring ICU admission. The long-term respiratory sequelae in such patients remain unclear. RESEARCH QUESTION: What are the major long-term ...
  • Frege systems for quantified Boolean logic 

    Beyersdorffm, Olaf; Bonacina, Ilario; Chew, Leroy; Pich, Ján (2020-05-09)
    Article
    Open Access
    We define and investigate Frege systems for quantified Boolean formulas (QBF). For these new proof systems, we develop a lower bound technique that directly lifts circuit lower bounds for a circuit class C to the QBF Frege ...
  • Impact of time to intubation on mortality and pulmonary sequelae in critically ill patients with COVID-19: a prospective cohort study 

    González Gutiérrez, Jessica; Benítez Iglesias, Iván D.; de Gonzalo Calvo, David; Torres Cortada, Gerard; Batlle, Jordi de; Gómez Falguera, Silvia; Moncusí Moix, Anna; Carmona, Paola; Santisteve, Sallya; Gort Paniello, Clara; Ferrer Roca, Ricard; Garcia Gasulla, Dario; Torres, Antoni; Barbé, Ferran; Monge Esqué, Aida; Zuil Moreno, María (Springer Nature, 2022-12)
    Article
    Open Access
    We evaluated whether the time between first respiratory support and intubation of patients receiving invasive mechanical ventilation (IMV) due to COVID-19 was associated with mortality or pulmonary sequelae. Materials and ...
  • Large scale prediction of sick leave duration with nonlinear survival analysis algorithms 

    Béjar Alonso, Javier; Pérez Arnal, Raquel Leandra; Vilalta, Armand; Álvarez Napagao, Sergio; García Gasulla, Dario (2022-07-15)
    Article
    Restricted access - publisher's policy
    The management of sick leaves is a critical task that public and private health systems carry out. This enables the good care of sick workers and guarantees a safe return to their jobs. Most health systems enforce regulations ...
  • Heuri: a Scrabble© playing engine using a probability-based heuristic 

    González Romero, Alejandro; Alquézar Mancho, René; Ramírez Flores, Arturo; González Acuña, Francisco; García Olmedo, Ian (2022-02-16)
    Article
    Open Access
    The game of Scrabble has been successfully tackled by two engines: Quackle and Maven. They attain the state-of-the-art in Computer Scrabble. These engines use simulation techniques and precalculated values to achieve ...
  • IoT analytics and agile optimization for solving dynamic team orienteering problems with mandatory visits 

    Li, Yuda; Peyman, Mohammad; Panadero Martínez, Javier; Juan Pérez, Ángel Alejandro; Xhafa Xhafa, Fatos (2022-03-18)
    Article
    Open Access
    Transport activities and citizen mobility have a deep impact on enlarged smart cities. By analyzing Big Data streams generated through Internet of Things (IoT) devices, this paper aims to show the efficiency of using IoT ...
  • Optimality of syntactic dependency distances 

    Ferrer Cancho, Ramon; Gómez Rodríguez, Carlos; Esteban Ángeles, Juan Luis; Alemany Puig, Lluís (American Institute of Physics (AIP), 2022-01-01)
    Article
    Open Access
    It is often stated that human languages, as other biological systems, are shaped by cost-cutting pressures but, to what extent? Attempts to quantify the degree of optimality of languages by means of an optimality score ...
  • Validation of organ dose calculations with PyMCGPU-IR in realistic interventional set-ups 

    Fernández Bosman, David; Von Barnekow, Ariel; Dabin, Jérémie; Malchair, Françoise; Vanhavere, Filip; Duch Guillen, María Amor; Ginjaume Egido, Mercè (2022-01-01)
    Article
    Open Access
    Introduction: Interventional radiology procedures are associated with high skin dose exposure. The 2013/59/ EURATOM Directive establishes that the equipment used for interventional radiology must have a device or a feature ...
  • The advent and fall of a vocabulary learning bias from communicative efficiency 

    Carrera Casado, David; Ferrer Cancho, Ramon (Springer, 2021-11-26)
    Article
    Open Access
    Biosemiosis is a process of choice-making between simultaneously alternative options. It is well-known that, when sufficiently young children encounter a new word, they tend to interpret it as pointing to a meaning that ...
  • Maria Serna’s contributions to adversarial queuing theory 

    Blesa Aguilera, Maria Josep; Fernández Anta, Antonio (Elsevier, 2021-02)
    Article
    Restricted access - publisher's policy
    Adversarial Queuing Theory (aqt) is one of the areas to which Maria Serna has deeply contributed in her scientific career. Most of her research in this area took place during the lustrum 2001–2005, while advising the Ph.D. ...
  • Tracking a well diversified portfolio with maximum entropy in the mean 

    Arratia Quesada, Argimiro Alejandro; Gzyl, Henryk; Mayoral Blaya, Silvia (Multidisciplinary Digital Publishing Institute (MDPI), 2022-02)
    Article
    Open Access
    In this work we address the following problem: Having chosen a well diversified portfolio, we show how to improve on its return, maintaining the diversification. In order to achieve this boost on return we construct a ...

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