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  • Listar Artículos Científicos por título
  •   Repositorio Universidad Católica del Maule
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  • Listar Artículos Científicos por título
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Mostrando publicaciones 15-34 de 3827

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  • A beta partial least squares regression model: Diagnostics and application to mining industry data 

    Huerta, Mauricio; Leiva, Víctor; Lillo, Camilo; Rodríguez-Gallardo, Marcelo (2018)
    We propose a methodology based on partial least squares (PLS) regression models using the beta distribution, which is useful for describing data measured between zero and one. The beta PLS model parameters are estimated ...

  • A breakthrough on cancer therapy by inhibition of negative immune regulation: nobel prize in physiology or medicine 2018 

    Soren, Karuna; Kabiraj, Ashutosh; Goswami, Prittam; Banerjee, Aparna; Bandopadhyay, Rajib (2020)
    James P. Allison from the MD Anderson Cancer Center, University of Texas, and Tasuku Honjo from Kyoto university were jointly awarded the prestigious Nobel Prize in Physiology/Medicine 2018. Their therapeutic research is ...

  • A brief tutorial on quadratic stability of linear parameter-varying model for biomathematical systems 

    Lobo, Rodolfo A.; Palma, Jonathan M.; Morais, Cecília F.; Carvalho, Leonardo d.P.; Valle, Marcos E.; Oliveira, Ricardo C.L.F. (2019)
    Many biological phenomena are investigated using models formulated in terms on nonlinear differential equations and, in general, the global stability is assured point-to-point by Lyapunov's theory. However, many times the ...

  • A Cardy-like formula for rotating black holes with planar horizon 

    Bravo-Gaete, Moises; Guajardo, Luis; Mokhtar, Hassaine (2017)
    We show that the semiclassical entropy of D−dimensional rotating (an)isotropic black holes with planar horizon can be successfully computed according to a Cardy-like formula. This formula does not refer to any central ...

  • A centronuclear myopathy-causing mutation in dynamin-2 disrupts neuronal morphology and excitatory synaptic transmission in a murine model of the disease 

    Arriagada-Diaz, Jorge; Flores-Muñoz, Carolina; Gomez-Soto, Bárbara; Labraña-Allende, Marjorie; Mattar-Araos, Michelle; Prado-Vega, Lorena; Hinostroza, Fernando; Gajardo, Ivana; Guerra-Fernández, María José; Bevilacqua, Jorge A.; Cárdenas, Ana M.; Bitoun, Marc; Ardiles, Alvaro O.; Gonzalez-Jamett, Arlek M. (2023)
    Aims Dynamin-2 is a large GTPase, a member of the dynamin superfamily that regulates membrane remodelling and cytoskeleton dynamics. Mutations in the dynamin-2 gene (DNM2) cause autosomal dominant centronuclear myopathy ...

  • A Cobb–Douglas type model with stochastic restrictions: Formulation, local influence diagnostics and data analytics in economics 

    Cysneiros, Francisco José A.; Leiva, Víctor; Liu, Shuangzhe; Marchant-Fuentes, Carolina; Scalco, Paulo (2019)
    We propose a methodology for modelling and influence diagnostics in a Cobb–Douglas type setting. This methodology is useful for describing case-studies from economics. We consider stochastic restrictions for the model based ...

  • A comparative analysis of massive finger-vein recognition algorithms: from energy consumption perspective 

    Argentina, Sebastián; Quinteros, Axel; Hernández-García, Ruber; Frati, Fernando Emmanuel; Barrientos, Ricardo ORCID (2022)
    The volume of data generated has grown exponentially in recent years worldwide. In general, parallel architectures such as clusters, multicores, and GPUs have reduced processing times compared to their sequential version. ...

  • A comparison of anthropometric parameters and the body composition of professional soccer players 

    Mendez-Cornejo, Jorge; Gómez-Campos, Rossana; Salas-Avila, Miguel; Vargas-Vitoria, Rodrigo; Gatica-Mandiola, Patricio; Alvear Vásquez, Fernando; Sulla-Torres, Raul; Cossio-Bolaños, Marco Antonio (2022)
    The present cross-sectional (comparative) study aimed to compare the anthropometric and body composition parameters in professional soccer players over five seasons. It was conducted on 120 soccer players grouped in a ...

  • A comparison of stochastic gradient MCMC using multi-core and GPU architectures 

    Hernández, Sergio; Valdés, José; Valdenegro, Matias (2020)
    Deep learning models are traditionally used in big data scenarios. When there is not enough training data to fit a large model, transfer learning re-purpose the learned features from an existing model and re-train the lower ...

  • A comprehensive review of extreme learning machine on medical imaging 

    Huérfano-Maldonado, Y; Mora, Marco ORCID; Vilches-Ponce, Karina; Hernández-García, Ruber; Gutiérrez, Rodrigo I.; Vera, M. (2023)
    The feedforward neural network based on randomization has been of great interest in the scientific community, particularly extreme learning machines, due to its simplicity, training speed, and levels of accuracy comparable ...

  • A computational approach to identifiability analysis for a model of the propagation and control of COVID-19 in Chile 

    Bürger, Raimund; Chowell, G.; Kröker, Ilja; Lara-Díaz, Leidy Yissedt (2023)
    A computational approach is adapted to analyze the parameteridentifiability of a compartmental model. The model is intended todescribe the progression of the COVID-19 pandemic in Chile duringthe initial phase in early 2020 ...

  • A computational approach to predict the role of genetic alterations in methyltransferase histones genes with implications in liver cancer 

    Aravena, Tania Isabella; Valdés, Elizabeth; D'Afonseca, Vívian (2023)
    Histone methyltransferases (HMTs) comprise a subclass of epigenetic regulators. Dysregulation of these enzymes results in aberrant epigenetic regulation, commonly observed in various tumor types, including hepatocellular ...

  • A conceptual research model for investigating the impact of online teacherpreneurship education on students’ teacherpreneurial competencies and intentions in preservice teacher education 

    Adebola Lasekan, Olusiji; Malik, Reyaz; Méndez-Alarcón, Claudia (2020)
    This article seeks to develop a research model that can be employed to study the impact of online teacherpreneurship education on students' teacherpreneurial competence and intention as well as employability. Based on the ...

  • A deep learning approach to population structure inference in inbred lines of maize 

    López-Cortés, Xaviera A.; Matamala, Felipe; Maldonado, Carlos; Mora-Poblete, Freddy; Scapim, Carlos A. (2020)
    Analysis of population genetic variation and structure is a common practice for genome-wide studies, including association mapping, ecology, and evolution studies in several crop species. In this study, machine learning ...

  • A description of the epidemiological dynamics of Chagas disease via mathematical modeling 

    Lozada-Yavina, Rafael; Marchant, Carolina; Cancino-Faure, Beatriz ORCID; Hernández-Rodríguez, Erix W.; Córdova-Lepe, Fernando (2023)
    Chagas disease is caused by the protozoan Trypanosoma cruzi, which parasitizes many mammals, including humans. Its vectors are blood-feeding hematophagous triatomine insects of different species, which vary according to ...

  • A DNA-based investigation of endolithic community succession on shells of the limpet Patella depressa Pennant 1777 

    Wyness, Adam J.; Oróstica, Mauricio; Monsinjon, Jonathan R.; McQuaid, Christopher D. (2025)
    Biotic and abiotic calcium carbonate structures are used as a substrate by bioeroding organisms, or euendoliths, worldwide. Euendoliths can have serious ecological effects on living hosts, and with global increases in ocean ...

  • A family of skew-normal distributions for modeling proportions and rates with zeros/ones excess 

    Martínez-Flórez, Guillermo; Leiva, Víctor; Gómez-Déniz, Emilio; Marchant-Fuentes, Carolina (2020)
    In this paper, we consider skew-normal distributions for constructing new a distribution which allows us to model proportions and rates with zero/one inflation as an alternative to the inflated beta distributions. The new ...

  • A first insight into the structure and function of rhizosphere microbiota in antarctic plants using shotgun metagenomic 

    Molina-Montenegro, Marco A.; Ballesteros, Gabriel I.; Castro-Nallar, Eduardo; Meneses, Claudio; Gallardo-Cerda, Jorge; Torres-Díaz, Cristian (2019)
    Antarctic vascular plants such as Deschampsia antarctica (Da) could generate more suitable micro-environmental conditions for the establishment of other plants like Colobanthus quitensis (Cq). Although positive plant–plant ...

  • A framework for building safe and effective school environments: Positive behavioral interventions and supports (PBIS) 

    Horner, Robert; Monzalve-Macaya, Manuel (2018)
    Abstract: Schools throughout the world strive to establish safe and effective learning environments. One consistent challenge is student aggression, acting-out, withdrawal, and insubordination. The historic response to ...

  • A general MIMO VLC channel model for underground mining environments 

    Solis, Julian; Palacios Játiva, Pablo; Azurdia-Meza, Cesar A.; Zabala-Blanco, David; Soto, Ismael; Ijaz, Muhammad (2022)
    Underground Mining (UM) is a harsh environment that involves multiple threats to worker safety and needs adequate wireless communications to ensure worker well-being and optimize miner efficiency. While radio frequency ...

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