Now showing items 1-20 of 43

    • An Early Warning Method for Basic Commodities Price Based on Artificial Neural Networks 

      Silva, Jesús; Varela, Noel; Martínez Caraballo, Hugo; García Guiliany, Jesús; Cabas Vásquez, Luis Carlos; Navarro Beltrán, Jorge; León Castro, Nadia (International Symposium on Neural Networks, 2019-06-26)
      The prices of products belonging to the basic family basket are an important component in the income of producers and consumer spending; its excessive variations constitute a source of uncertainty and risk that affects ...
    • Analysis of air quality data in the city of Bogotá through clustering techniques 

      Silva, Jesús; Londoño, Luz Adriana; Varela, Noel; Pineda Lezama, Omar Bonerge; Lozano Ayarza, Liliana Patricia; MOJICA HERAZO, JULIO CESAR (Corporación Universidad de la Costa, 2020)
      Climate change is one of the problems facing society today because of its impacts on the health of living beings. That is why the authorities need tools that provide them with the information necessary to make decisions ...
    • Analysis of behavior of automatic learning algorithms to identify criminal messages 

      Varela, Noel; GALVEZ VALEGA, JESUS ARTURO; Pineda Lezama, Omar Bonerge (Corporación Universidad de la Costa, 2020)
      In this type of explanation, strictly economic or criminal motives predominate: mainly the control of routes and places, and the punishment of desertion or treason. The precarious and fragmentary nature of the public ...
    • Analytical study of radiative casson nanoliquid flow with heat absorption 

      Loganathan, K.; Tamilvanan, K.; amelec, viloria; Varela, Noel; Pineda Lezama, Omar Bonerge (Corporación Universidad de la Costa, 2020)
      The divergence of thermally radiative MHD flow of a Casson nanofluid over a stretching paper alongside heat absorption. The governing non linear equations are remodeled into a nonlinear ODE’s. The HAM is adopted to find ...
    • Applying a business intelligence system in a big data context: production companies 

      Silva, Jesús; Gaitán, Mercedes; Varela, Noel; MALDONADO PEREZ, DOYREG; Pineda Lezama, Omar Bonerge (Universidad de la Costa, 2020-01-07)
      Industry 4.0 promotes automation through computer systems of the manufacturing industry and its objective is the Smart Factory. Its development is considered a key factor in the strategic positioning not only of companies, ...
    • Approach for the classification of polliniferous vegetation using multispectral imaging and neural networks 

      Silva, Jesus; Varela, Noel; Díaz-Martinez, Jorge L.; Jiménez-Cabas, Javier; Pineda Lezama, Omar Bonerge (Corporación Universidad de la Costa, 2020)
      Beekeeping has suffered a serious deterioration in the regions of the world. The possibility of nectar-polliniferous resources has decreased and, therefore, the feeding of bees, with the consequent decrease in production. ...
    • Big data and automatic detection of topics: social network texts 

      Silva, Jesús; Hernandez Palma, Hugo Gaspar; Niebles Núñez, William; Ruiz Lázaro, Alex; Varela, Noel (Journal of Physics: Conference Series, 2020)
      This paper proposes the analysis of the influence of terms that express feelings in the automatic detection of topics in social networks. This proposal uses an ontology-based methodology which incorporates the ability to ...
    • Classification of digitized documents applying neural networks 

      amelec, viloria; Varela, Noel; Pineda Lezama, Omar Bonerge; ORELLANO LLINAS, NATALY; Flores, Yasmin; Hernandez Palma, Hugo Gaspar; Vargas Mercado, Carlos; Marín González, Freddy (Universidad de la Costa, 2020-03-05)
      The exponential increase of the information available in digital format during the last years and the expectations of future growth make it necessary for the organization of information in order to improve the search and ...
    • Comparison of bioinspired algorithms applied to cancer database 

      Silva, Jesús; Villareal-González, Reynaldo; Varela, Noel; Maco, José; Villón, Martín; Marín–González, Freddy; Pineda Lezama, Omar Bonerge (Corporación Universidad de la Costa, 2021)
      Cancer is not just a disease; it is a set of diseases. Breast cancer is the second most common cancer worldwide after lung cancer, and it represents the most frequent cause of cancer death in women (Thurtle et al. in: PLoS ...
    • Computational analysis of third-grade liquid flow with cross diffusion effects: application to entropy modeling 

      Loganathan, K.; A, CHARLES SAGAYARAJ; amelec, viloria; Varela, Noel; Pineda Lezama, Omar Bonerge; Ortiz-Ospino, Luis Eduardo (Corporación Universidad de la Costa, 2020)
      The key goal of this current study is to analyze the entropy generation with cross diffusion effects. The third-grade type non-Newtonian fluid model is used in this study. The current flow problem is modelled with stretching ...
    • Data mining and neural networks to determine the financial market prediction 

      Silva, Jesus; García Guliany, Jesús; Hernandez, Lissette; Portillo, Rafael; Varela, Noel; Hernandez Palma, Hugo Gaspar; Redondo Bilbao, Osman; Valero, Lesbia (Universidad de la Costa, 2020-03-05)
      Predicting stock market movements has been a complex task for years by gaining the increasing interest of researchers and investors present all around the world. These have tried to get ahead of the way in order to know ...
    • Data mining and social network analysis on Twitter 

      Silva, Jesus; Varela, Noel; Ovallos-Gazabon, David; H, H; Cazallo-Antunez, Ana; Redondo Bilbao, Osman; ORELLANO LLINAS, NATALY; Pineda Lezama, Omar Bonerge (Universidad de la Costa, 2020-03-05)
      The emergence of a networked social structure in the last decade of twentieth century is accelerated by the evolution of information technologies and, in particular, the Internet has given rise to the full emergence of ...
    • Data processing for direct marketing through Big Data 

      amelec, viloria; Varela, Noel; MALDONADO PEREZ, DOYREG; Pineda Lezama, Omar Bonerge (Universidad de la Costa, 2020-01-07)
      Traditional marketing performs promotion through various channels such as news in newspapers, radio, etc., but those promotions are aimed at all people, whether or not interested in the product or service being promoted. ...
    • Data sciences and teaching methods—learning 

      Silva, Jesus; Portillo, Rafael; Hernandez, Ana Emilia; Varela, Noel; Martinez Caraballo, Hugo; Hernández Palma, Hugo Gaspar; Redondo Bilbao, Osman; Leon Castro, Nadia (Universidad de la Costa, 2020-03-05)
      Data Science (DS) is an interdisciplinary field responsible for extracting knowledge from the data. This discipline is particularly complex in the face of Big Data: large volumes of data make it difficult to store, process ...
    • Design and implementation of a system to determine tax evasion through de stochastic techniques 

      Varela, Noel; Carrasquilla Díaz, Laura Patricia; Pineda Lezama, Omar Bonerge (Corporación Universidad de la Costa, 2020)
      The dominant view on the study and practice of the tax service, mentions that taxpayers will always seek their own interest, for that reason taxes will be considered costs that could be avoided, unless the probability of ...
    • 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 sensor-cloud technology applied to traffic accident prevention 

      Viloria, Amelec; Varela, Noel; Herazo-Beltran, Yaneth; Pineda Lezama, Omar Bonerge (Corporación Universidad de la Costa, 2021)
      The main goal of this research is to facilitate the connection of sensors, people and objects to build a centralized community with parameter measurement applications, where people can share and analyze sensor data in ...
    • Determination of contents based on learning styles through artificial intelligence 

      Silva, Jesus; Hernandez, Lissette; Romero, Jenny; Varela, Noel; Hernández Palma, Hugo Gaspar; ORELLANO LLINAS, NATALY; Florez, Yasmin; Vargas Mercado, Carlos (Universidad de la Costa, 2020-03-05)
      The study presents the development of a platform for structuring adaptive courses based on active, reflexive, theoretical and pragmatic learning styles using artificial intelligence techniques. To this end, the following ...
    • 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 ...
    • Free thaw resistance of stabilized and fiber-reinforced soil vulnerable to landslides 

      Rajesh Kumar, K.; Gobinath, R.; Shyamala, G.; Viloria, Emelec; Varela, Noel (Corporación Universidad de la Costa, 2019)
      The research is undertaken to study the combined reinforcing and stabilizing effect of Eco sand, Metakaolin added with Polypropylene fibers in silty soil obtained from Nilgris district. In this work, an effort is made to ...