Now showing items 21-40 of 89

    • Database knowledge discovery In marketing companies 

      amelec, viloria; Li, Jin; Manosalva Sandoval, Jessica; Vargas Villa, Jesús (Universidad de la Costa, 2019)
      In recent years, technological development in both the computing and data transmission fields has allowed the storage and management of large volumes of data. Today, businesses move in highly competitive and continuous ...
    • Demand forecasting method using artificial neural networks 

      amelec, viloria; Arrieta Matos, Fernanda; Gaitán, Mercedes; Hernández Palma, Hugo; Flórez Guzman, Yasmin; CABAS VASQUEZ, LUIS CARLOS; Vargas Mercado, Carlos; Pineda Lezama, Omar Bonerge (Universidad de la Costa, 2019)
      Based on a forecast, the decision maker can determine the capacity required to meet a certain forecast demand, as well as carry out in advance the balance of capacities in order to avoid underusing or bottlenecks. This ...
    • Demand in the electricity market: analysis using big data 

      amelec, viloria; Martínez Sierra, David; Frasser Camargo, James Enrique; Batistas Zea, Karina; Fuentes-Pacheco, Jorge; Hernández Palma, Hugo; J. Kamatkar, Sadhana (Universidad de la Costa, 2019)
      The traditional business model of energy companies is changing in recent years. The introduction of smart meters has led to an exponential increase in the volume of data available, and their analysis can help find consumption ...
    • Design and simulation of vehicle controllers through genetic algorithms 

      amelec, viloria; Lizardo Zelaya, Nelson Alberto; Varela, Noel (Corporación Universidad de la Costa, 2020)
      Genetic Programming (GP) is a population-based evolutionary technique, which, unlike a Genetic Algorithm (GA) does not work on a fixed-length data structure, but on a variable-length structure and aims to evolve functions, ...
    • Design of a network with VANET sporadic cloud computing applied to traffic accident prevention 

      amelec, viloria; Pineda, Omar; Varela Izquierdo, Noel; Diaz Martínez, Jorge Luis (Corporación Universidad de la CostaRetracted, 2020-07-19)
      The study analyzes the bandwidth available in a segment of route in the VANET network, since this value directly affects sporadic cloud computing. For this purpose, the bandwidth was tested on a highly complex urban scenario, ...
    • Design of a Network with wireless sensor applied to data transmission based on IEEE 802.15.4 standard 

      amelec, viloria; Lizardo Zelaya, Nelson Alberto; Mercado Caruso, Nohora Nubia (Corporación Universidad de la Costa, 2020)
      The problem of data transmission in wireless sensor networks (WSN), with real time guarantees, is an issue that has important references in the international scientific community, but that still does not have a solution ...
    • Diabetes diagnostic prediction using vector support machines 

      amelec, viloria; Herazo-Beltrán, Yaneth; Cabrera, Danelys; Bonerge Pineda, Omar (Procedia Computer Science, 2020)
      The most important factors for the diagnosis of diabetes mellitus (DM) are age, body mass index (BMI) and blood glucose concentration. Diagnosis of DM by a doctor is complicated, because several factors are involved in the ...
    • Dropout-permanence analysis of university students using data mining 

      amelec, viloria; Martínez Sierra, David; García Samper, Martha; Cadavid Basto, Wilmer Orlando; Roncallo Pichón, Alberto; Hernández Palma, Hugo; Diago, Victoria; J. Kamatkar, Sadhana (Universidad de la Costa, 2019)
      Dropout is a rejection method present in every educational system, related to the various selection processes, academic performance, and the efficiency of the system in general, that is, the result of the combination and ...
    • Effect on the demand and stock returns: cross-sectional of Big Data and time-series analysis 

      amelec, viloria; Meñaca Guerrero, Indira; MARTÍNEZ CARABALLO, HUGO RAMÓN; Orellano Llinas, Nelson; Valero, Lesbia; Hernández Palma, Hugo; CANO OTERO, EDWIN ALEXANDER; Pineda Lezama, Omar Bonerge (Universidad de la Costa, 2019-11-05)
      For reducing the degree of uncertainty caused by constant change in the environment, large, medium or small, private or public organizations must support their decisions in something more than experience or intuition; they ...
    • Efficiency of mining algorithms in academic indicators 

      amelec, viloria; Hernandez Palma, Hugo Gaspar; Niebles Núñez, William; Gaitán, Mercedes; Pineda Lezama, Bonerge (Journal of Physics: Conference Series, 2020)
      Data Mining is the process of analyzing data using automated methodologies to find hidden patterns [1]. Data mining processes aim at the use of the dataset generated by a process or business in order to obtain information ...
    • Eficiencia técnica de la investigación y desarrollo, ciencia y tecnología, educación e innovación en países Latinoamericanos 

      Torres-Samuel , Maritza; Vásquez Stanescu, Carmen Luisa; Luna cardozo, Marisabel; amelec, viloria; Crissien Borrero, Tito José (Corporación Universidad de la Costa, 2020)
      In this work were analyzed 15 Latin American countries considering six (6) factors that reflect their progress in research and development, science and technology and education and innovation. These factors are studied as ...
    • Electrical consumption patterns through machine learning 

      amelec, viloria; Senior Naveda, Alexa; Hernández Palma, Hugo; Niebles Núñez, William; Niebles Nuñez, Leonardo David (Journal of Physics: Conference Series, 2020)
      Electricity distribution companies have been incorporating new technologies that allow them to obtain complete information in real time about their customers´ consumption. Thus, a new concept called "Smart Metering" has ...
    • Elements to consider for the development of natural medicines of character 

      amelec, viloria; Alvarez, Gerardo; Lis-Gutiérrez, Jenny Paola (Journal of Engineering and Applied Sciences, 2018)
      One of the myths that has accompanied natural medicine is the belief that it is only based on the empirical knowledge, knowing that within it a process which can take several years to certify the effectiveness of the product ...
    • Enrichment of metabolic routes through Big Data 

      amelec, viloria; Torres, Marisela; Vargas, Jesus; Bonerge Pineda, Omar (Procedia Computer Science, 2020)
      The Kyoto Encyclopedia of Genes and Genomes (KEGG) Pathway is a database that contains a graphical representation of cellular processes. Cellular processes are basic systems involving biochemical reactions at the cellular ...
    • Estimating strength properties of geopolymer self-compacting concrete using machine learning techniques 

      Awoyera, Paul; Kirgiz, Mehmet S.; amelec, viloria; Ovallos, David (Corporación Universidad de la Costa, 2020-06-24)
      There has been a persistent drive for sustainable development in the concrete industry. While there are series of encouraging experimental research outputs, yet the research field requires a standard framework for the ...
    • Factors that describe the use of digital devices in Latin American universities 

      amelec, viloria; Pineda Lezama, Omar Bonerge; Mercado Caruso, Nohora Nubia (Corporación Universidad de la Costa, 2020)
      Mobile digital devices are at the same time a tool for social interaction, an individual learning resource and can be a valuable contribution in the context of higher education to develop and promote new teaching and ...
    • Feasibility study for a mini-hydropower plant in Dreznica, Bosnia and Herzegovina 

      Ramírez-Pisco, Rodrigo; Pezic Djukic, Iris; Vásquez, Carmen Luisa; amelec, viloria; Varela, Noel (Universidad de la Costa, 2020-03-05)
      This paper includes an energy, technical, economic, and environmental analysis on the installation of a mini hydraulic power plant in the Dreznica village in the province of Herzegovina in Bosnia and Herzegovina. The ...
    • Geosimulation as a tool for the prevention of traffic accidents 

      amelec, viloria; Varela Izquierdo, Noel; Ortiz-Ospino, Luis Eduardo; Pineda Lezama, Omar Bonerge (Corporación Universidad de la Costa, 2021)
      Traffic accidents represent a never-ending tragedy, and according to the World Health Organization (2018), 1.33 million people die in the world every year [1]. Most efforts in modeling phenomena of a dynamic nature have ...
    • Heat and mass transmission of an Oldroyd B nanofuid fow through a stratifed medium with swimming of motile gyrotactic microorganisms and nanoparticles 

      Elanchezhian, E.; Nirmalkumar, R.; Balamurugan, M.; Mohana, K.; Prabu, K. M.; amelec, viloria (Universidad de la Costa, 2020-05-14)
      This paper focuses on the research of motile microorganism rates in the bioconvective Oldroyd-B nanoliquid fow over a vertical stretching sheet with mixed convection and inclined magnetic feld. Additionally, interesting ...
    • Hybrid cloud computing architecture based on open source technology 

      amelec, viloria; Hernández Palma, Hugo; Cadavid Basto, Wilmer; Camacho Villalobos, Alina Alexandra; Uribe de la Cruz, Carlos Andrés; De la Hoz Hernández, Juan David; Pineda Lezama, Omar Bonerge (Universidad de la Costa, 2019)
      The advance of technologies such as distributed computing, Internetand grid computing, have enabled Cloud Computing to become part of a new model of computing and business. Cloud Computing is transforming the traditional ...