Browsing by Title Artículos de revistas

Now showing items 4335-4354 of 7550

    • Net accumulation rates derived from ice core stable isotope records of Pío XI glacier, Southern Patagonia Icefield 
      Schwikowski, M.; Schläppi, M.; Santibañez, P.; Rivera, A.; Casassa, G. (2013)
      Pío XI, the largest glacier of the Southern Patagonia Icefield, reached its neoglacial maximum extent in 1994 and is one of the few glaciers in that area which is not retreating. In view of the recent warming it is ...
    • Network allocation of BESS with voltage support capability for improving the stability of power systems 
      Cifuentes, Nicolás; Rahmann, Claudia; Valencia, Felipe; Alvarez, Ricardo (Institution of Engineering and Technology, 2019)
      © 2019 Institution of Engineering and Technology. All rights reserved.The stability of future power systems will be challenged by high shares of converter-based generation technologies (CBGTs). To prevent instability ...
    • Network approach identifies Pacer as an autophagy protein involved in ALS pathogenesis 
      Beltran, S.; Nassif, M.; Vicencio, E.; Arcos, J.; Labrador, L.; Cortes, B. I.; Cortez, C.; Bergmann, C. A.; Espinoza, S.; Hernandez, M. F.; Matamala, J. M.; Bargsted, L.; Matus, S.; Rojas-Rivera, D.; Bertrand, M. J.M.; Medinas, D. B.; Hetz Flores, Claudio; Manque, P. A.; Woehlbier, U. (BioMed Central Ltd., 2019)
      Background: Amyotrophic lateral sclerosis (ALS) is a multifactorial fatal motoneuron disease without a cure. Ten percent of ALS cases can be pointed to a clear genetic cause, while the remaining 90% is classified as sporadic. ...
    • Network congestion games are robust to variable demand 
      Correa Haeussler, José; Hoeksma, Rubén; Schröder, Marc (Springer, 2017)
      Network congestion games have provided a fertile ground for the algorithmic game theorycommunity. Indeed, many of the pioneering works on bounding the efficiency of equilibria usethis framework as their starting ...
    • Network games with atomic players 
      Cominetti Cotti-Cometti, Roberto; Correa, José R.; Stier-Moses, Nicolás E. (SPRINGER-VERLAG BERLIN, 2006)
      We study network and congestion games with atomic players that can split their flow. This type of games readily applies to competition among freight companies, telecommunication network service providers, intelligent ...
    • Network pricing: How to induce optimal flows under strategic link operators 
      Correa, José; Guzmán, Cristóbal; Lianeas, Thanasis; Nikolova, Evdokia; Schröder, Marc (Association for Computing Machinery, Inc, 2018)
      Network pricing games provide a framework for modeling real-world se ings with two types of strategic agents: owners (operators) of the network and users of the network. Owners of the network post a price for usage of ...
    • Neural and statistical predictors for time to readmission in emergency departments: A case study 
      Garmendia, Asier; Graña, Manuel; Lopez-Guede, Jose Manuel; Rios, Sebastian (Elsevier B.V., 2019)
      © 2019 The prediction of readmissions in the healthcare system, i.e. patients that are discharged and come back in a short interval of time, has taken great importance as readmissions have been taken as a measure of the ...
    • Neural network approach for the calculation of potential coefficients in quantum mechanics 
      Ossandón, Sebastián; Reyes, Camilo; Cumsille, Patricio; Reyes, Carlos M. (Elsevier, 2017)
      A numerical method based on artificial neural networks is used to solve the inverse Schrödinger equation for a multi-parameter class of potentials. First, the finite element method was used to solve repeatedly the direct ...
    • Neural Network Prediction Interval Based on Joint Supervision 
      Cruz, Nicolás; Marín, Luis; Sáez, Doris (Institute of Electrical and Electronics Engineers Inc., 2018)
      In this paper, a new prediction interval model based on a joint supervision loss function for capturing the uncertainties associated with the modeled phenomenon is described. This model provides the upper and lower bounds ...
    • Neuroevolution-based adaptive antenna array beamforming scheme to improve the V2V communication performance ... 
      Kang Kim, Hojin; Becerra, Raimundo; Bolufé Águila, Sandy; Azurdia Meza, César; Montejo Sánchez, Samuel; Zabala Blanco, David (MDPI, 2021)
      The opportunistic exchange of information between vehicles can significantly contribute to reducing the occurrence of accidents and mitigating their damages. However, in urban environments, especially at intersection ...
    • A neurology-inspired model of web usage 
      Román, Pablo E.; Velásquez Silva, Juan (Elsevier, 2014)
      The problem of predicting human behavior has been a great challenge for several disciplines including computer science. In particular,web user browsing behavior has been studied from the machine learning point of view, a ...
    • Neuromuscular control during gait in people with haemophilic arthropathy 
      Cruz Montecinos, Carlos Vicente; Pérez-Alenda, Sofía; Cerda, Mauricio; Maas, Huub (Blackwell Publishing Ltd, 2019)
      Introduction: Effects of haemophilic arthropathy on neuromuscular control during gait are currently unknown. Aims: (a) To assess how haemophilic arthropathy affects the complexity of neuromuscular control during gait; (b) ...
    • Neuropsychiatric Symptoms in Alzheimer's Disease Are the Main Determinants of Functional Impairment in ... 
      Delgado, Carolina; Vergara, Rodrigo C.; Martínez, Melissa; Musa, Gada; Henríquez, Fernando; Slachevsky Chonchol, Andrea (IOS Press, 2019)
      © 2019 IOS Press and the authors. All rights reserved.Background: Neuropsychiatric symptoms and cognitive impairment are independent contributors of functional impairment in activities of daily living (ADL) in Alzheimer's ...
    • The neutral hydrogen cosmological mass density at z = 5 
      Crighton, Neil; Murphy, Michael; Xavier, J.; Worseck, Gábor; Rafelski, Marc; Becker, George; Ellison, Sara L.; Fumagalli, Michele; López Morales, Sebastián; Meiksin, Avery; O’Meara, John (The Royal Astronomical Society, 2015)
      We present the largest homogeneous survey of z > 4.4 damped Lyα systems (DLAs) using the spectra of 163 QSOs that comprise the Giant Gemini GMOS (GGG) survey. With this survey we make the most precise high-redshift ...
    • New adaptive compressors for natural language text 
      Brisaboa, Nieves; Fariña, A.; Navarro, Gonzalo; Parama, J. R. (JOHN WILEY, 2008-11-10)
      Semistatic byte-oriented word-based compression codes have been shown to be an attractive alternative to compress natural language text databases, because of the combination of speed, effectiveness, and direct searchability ...
    • New adaptive high starting torque scalar control scheme for induction motors based on passivity 
      Travieso Torres, Juan Carlos; Vilaragut Llanes, Miriam; Costa Montiel, Ángel; Duarte Mermoud, Manuel; Águila Camacho, Norelys; Contreras Jara, Camilo; Álvarez Gracia, Alejandro (MDPI, 2020)
      A novel adaptive high starting torque (HST) scalar control scheme (SCS) for induction motors (IM) is proposed in this paper. It uses a new adaptive-passivity-based controller (APBC) proposed herein for a class of nonlinear ...
    • A New Algorithm for the Open-Pit Mine Production Scheduling Problem 
      Chicoisne, Renaud; Espinoza González, Daniel; Goycoolea, Marcos; Moreno, Eduardo; Rubio, Enrique (2012)
      For the purpose of production scheduling, open-pit mines are discretized into three-dimensional arrays known as block models. Production scheduling consists of deciding which blocks should be extracted, when they should ...
    • New approaches for predicting protein retention time in hydrophobic interaction chromatography 
      Lienqueo Contreras, María Elena; Mahn Osses, Andrea; Navarro, Gonzalo; Salgado, J. Cristián; Pérez-Acle, Tomás; Rapaport Zimermann, Iván; Asenjo de Leuze, Juan (JOHN WILEY, 2006-08)
      Hydrophobic interaction chromatography (HIC) is an important technique for the purification of proteins. In this paper, we review three different approaches for predicting protein retention time in HIC, based either on a ...
    • New bounds on D-ary optimal codes 
      Navarro, Gonzalo; Brisaboa, Nieves (ELSEVIER, 2005-12-16)
      We propose a simple method that, given a symbol distribution, yields upper and lower bounds on the average code length of a D-ary optimal code over that distribution. Thanks to its simplicity, the method permits deriving ...
    • New candidate EHB stars in the open cluster NGC 6791: Looking locally into the UV-upturn phenomenon 
      Buson, L. M.; Bertone, E.; Buzzoni, A.; Carraro, Giovanni (INST THEORETICAL PHYSICS ASTRONOMY, 2006)
      Relying on U and B imagery at the Italian Telescopic, Nazionale Galileo (TNG), we report here the discovery of a sample of 13 new UV-bright post-HB candidate stars in the field of the Galactic open cluster NGC 6791. Owing ...