Search Results - "Alberto Conejero, J."

Potential limitations in COVID-19 machine learning due to data source variability: A case study in the nCov2019 dataset by Sáez, Carlos, Romero, Nekane, Conejero, J Alberto, García-Gómez, Juan M

“…Abstract Objective The lack of representative coronavirus disease 2019 (COVID-19) data is a bottleneck for reliable and generalizable machine learning. Data…”
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Objective comparison of methods to decode anomalous diffusion by Muñoz-Gil, Gorka, Volpe, Giovanni, Garcia-March, Miguel Angel, Aghion, Erez, Argun, Aykut, Hong, Chang Beom, Bland, Tom, Bo, Stefano, Conejero, J. Alberto, Firbas, Nicolás, Garibo i Orts, Òscar, Gentili, Alessia, Huang, Zihan, Jeon, Jae-Hyung, Kabbech, Hélène, Kim, Yeongjin, Kowalek, Patrycja, Krapf, Diego, Loch-Olszewska, Hanna, Lomholt, Michael A., Masson, Jean-Baptiste, Meyer, Philipp G., Park, Seongyu, Requena, Borja, Smal, Ihor, Song, Taegeun, Szwabiński, Janusz, Thapa, Samudrajit, Verdier, Hippolyte, Volpe, Giorgio, Widera, Artur, Lewenstein, Maciej, Metzler, Ralf, Manzo, Carlo

“…Deviations from Brownian motion leading to anomalous diffusion are found in transport dynamics from quantum physics to life sciences. The characterization of…”
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A variant-dependent molecular clock with anomalous diffusion models SARS-CoV-2 evolution in humans by Goiriz, Lucas, Ruiz, Raúl, Garibo-I-Orts, Òscar, Conejero, J Alberto, Rodrigo, Guillermo

“…The evolution of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in humans has been monitored at an unprecedented level due to the public health…”
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Detection of Nonadjacent Rotor Faults in Induction Motors via Spectral Subtraction and Autocorrelation of Stray Flux Signals by Iglesias-Martinez, Miguel Enrique, Fernandez de Cordoba, Pedro, Antonino-Daviu, Jose A., Conejero, J. Alberto

“…In this paper, statistical signal processing techniques are applied to electromotive force signals captured in external coil sensors for adjacent and…”
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Fractal Fractional Derivative Models for Simulating Chemical Degradation in a Bioreactor by Akgül, Ali, Conejero, J. Alberto

“…A three-differential-equation mathematical model is presented for the degradation of phenol and p-cresol combination in a bioreactor that is continually…”
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Fractional vs. Ordinary Control Systems: What Does the Fractional Derivative Provide? by Conejero, J. Alberto, Franceschi, Jonathan, Picó-Marco, Enric

“…The concept of a fractional derivative is not at all intuitive, starting with not having a clear geometrical interpretation. Many different definitions have…”
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Temporal variability analysis reveals biases in electronic health records due to hospital process reengineering interventions over seven years by Pérez-Benito, Francisco Javier, Sáez, Carlos, Conejero, J Alberto, Tortajada, Salvador, Valdivieso, Bernardo, García-Gómez, Juan M

“…To evaluate the effects of Process-Reengineering interventions on the Electronic Health Records (EHR) of a hospital over 7 years. Temporal Variability…”
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Large scale evaluation of differences between network-based and pairwise sequence-alignment-based methods of dendrogram reconstruction by Gamermann, Daniel, Montagud, Arnau, Conejero, J Alberto, Fernández de Córdoba, Pedro, Urchueguía, Javier F

“…Dendrograms are a way to represent relationships between organisms. Nowadays, these are inferred based on the comparison of genes or protein sequences by…”
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Visibility graphs of fractional Wu-Baleanu time series by Conejero, J. Alberto, Lizama, Carlos, Mira-Iglesias, Ainara, Rodero, Cristóbal

“…We study time series generated by the parametric family of fractional discrete maps introduced by Wu and Baleanu, presenting an alternative way of introducing…”
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Corrected Evolutive Kendall’s τ Coefficients for Incomplete Rankings with Ties: Application to Case of Spotify Lists by Pedroche, Francisco, Conejero, J. Alberto

“…Mathematical analysis of rankings is essential for a wide range of scientific, public, and industrial applications (e.g., group decision-making, organizational…”
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A new paradigm in the logistic and similar maps: time stepping schemes by Conejero, J. Alberto, Garibo-i-Orts, Òscar, Lizama, Carlos

“…We propose the qualitative mathematical analysis of discrete models by replacing the classical Euler scheme of order 1 with Lubich quadrature time-stepping…”
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Well-posedness for degenerate third order equations with delay and applications to inverse problems by Conejero, J. Alberto, Lizama, Carlos, Murillo-Arcila, Marina, Seoane-Sepúlveda, Juan B.

“…In this paper, we study well-posedness for the following third-order in time equation with delay ( 0.1 ) α ( M u ′ ) ″ ( t ) + ( N u ′ ) ′ ( t ) = β A u ( t )…”
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A happiness degree predictor using the conceptual data structure for deep learning architectures by Pérez-Benito, Francisco Javier, Villacampa-Fernández, Patricia, Conejero, J. Alberto, García-Gómez, Juan M., Navarro-Pardo, Esperanza

“…•A deep learning architecture driven by the conceptual data structure for the prediction of Happiness.•The lower-level dimensions of psychological factors are…”
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Testing Lung Cancer Patients' and Oncologists' Experience with the Lalaby App for Monitoring the Quality of Life through Mobile Sensors and Integrated Questionnaires by Asensio-Cuesta, Sabina, Sánchez-García, Ángel, Soria Comes, Teresa, Maestu, Inmaculada, Martín Ureste, Maria, Conejero, J. Alberto, García-Gómez, Juan M.

“…As there is now a growing interest in mHealth apps for cancer patients, we here present and test the Lalaby App to monitor lung cancer patients' Quality of…”
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Feature Extraction and Similarity of Movement Detection during Sleep, Based on Higher Order Spectra and Entropy of the Actigraphy Signal: Results of the Hispanic Community Health Study/Study of Latinos by Iglesias Martínez, Miguel Enrique, García-Gomez, Juan M, Sáez, Carlos, Fernández de Córdoba, Pedro, Alberto Conejero, J

“…The aim of this work was to develop a new unsupervised exploratory method of characterizing feature extraction and detecting similarity of movement during…”
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COVID-19 outbreaks analysis in the Valencian Region of Spain in the prelude of the third wave by Fuente, David, Hervás, David, Rebollo, Miguel, Conejero, J Alberto, Oliver, Nuria

“…The COVID-19 pandemic has led to unprecedented social and mobility restrictions on a global scale. Since its start in the spring of 2020, numerous scientific…”
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A Game-Theory Method to Design Job Rotation Schedules to Prevent Musculoskeletal Disorders Based on Workers' Preferences and Competencies by Asensio-Cuesta, Sabina, García-Gómez, Juan M, Poza-Luján, José-Luis, Conejero, J Alberto

“…Job rotation is an organizational strategy based on the systematic exchange of workers between jobs in a planned manner according to specific criteria. This…”
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Exploring the Entropy-Based Classification of Time Series Using Visibility Graphs from Chaotic Maps by Conejero, J. Alberto, Velichko, Andrei, Garibo-i-Orts, Òscar, Izotov, Yuriy, Pham, Viet-Thanh

“…The classification of time series using machine learning (ML) analysis and entropy-based features is an urgent task for the study of nonlinear signals in the…”
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An algorithm for self-organization of driverless vehicles of a car-rental service by Conejero, J. Alberto, Jordán, Cristina, Sanabria-Codesal, Esther

“…The solution of fleet assignment problems is one of the core points in the management of a car-rental company. These problems arise from the restrictions…”
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Rotor Fault Detection in Induction Motors Based on Time-Frequency Analysis Using the Bispectrum and the Autocovariance of Stray Flux Signals by Iglesias-Martínez, Miguel E, Jose Alfonso Antonino-Daviu, Fernández de Córdoba, Pedro, Conejero, J Alberto

“…The aim of this work is to find out, through the analysis of the time and frequency domains, significant differences that lead us to obtain one or several…”
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