Now showing items 1711-1726 of 1726

    • Warming up before a 20-minute endurance effort: is it really worth it? 

      Barranco-Gil, David; Alejo, LB; Valenzuela, PL; Gil Cabrera, Jaime; Montalvo-Pérez, A; Talavera, E; Moral-González, S; Clemente-Suárez, Vicente Javier; A, Lucia (Universidad de la Costa, 2020)
      PURPOSE: To analyze the effects of different warm-up protocols on endurance-cycling performance from an integrative perspective (by assessing perceptual, neuromuscular, physiological, and metabolic variables). METHODS: ...
    • Water footprint from growing potato crops in Cuba 

      Cabello Eras, Juan José; Sagastume Gutierrez, Alexis; López Bastida, Eduardo; Vandecasteele, Carlo H.A.; Hens, Luc M.A (Tecnologia y Ciencias del Agua, 2016)
      This article determines the water footprint from the potato crop in Cuba between the years 2009 and 2012 using the CROPWAT model. Climate, yields and fertilization data are specific to each of the areas where the crops ...
    • Wavelet transform selection method for biological signal treatment 

      Jiménez, Gonzalo; COLLAZOS MORALES, CARLOS ANDRES; De-La-Hoz-Franco, Emiro; Ariza Colpas, Paola Patricia; Ramayo González, Ramón Enrique; Maldonado-Franco, Adriana (Universidad de la Costa, 2020)
      This paper presents the development and evaluation of an algorithm for compressing fetal electrocardiographic signals, taken superficially on the mother’s abdomen. This method for acquiring ECG signals produces a great ...
    • Weakly (I, J)-continuous multifunctions and contra (I, J)-continuous multifunctions 

      Rosas Rodriguez, Ennis Rafael; C., Carpintero; J., Sanabria (Italian Journal of Pure and Applied Mathematics, 2019-08-24)
      The purpose of the present paper is to introduce, study and characterize upper and lower weakly (I, J)-continuous multifunctions and contra (I, J)-continuous multifunctions. Also, we investigate its relation with another ...
    • Web platform for the identification and analysis of events on twitter 

      amelec, viloria; Varela Izquierdo, Noel; Vargas, Jesús; Pineda, Omar (Corporación Universidad de la Costa, 2020)
      Due to the great popularity of social networks among people, businesses, public figures, etc., there is a need for automatic methods to facilitate the search, retrieval, and analysis of large amounts of information. Given ...
    • Web visibility profiles of top100 Latin American universities 

      Torres Samuel, Maritza; Vásquez, Carmen; Viloria Silva, Amelec Jesus; Lis Gutierrez, Jenny Paola; Crissien Borrero, Tito José; Varela Izquierdo, Noel (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2018)
      Due to the processes of internationalization, competitiveness and other related factors, universities have implemented policies and management systems that allow them to monitor and measure their world ranking position. ...
    • ¿What is the new about food packaging material? A bibliometric review during 1996–2016 

      Rodríguez-Rojas, Adriana; Arango Ospina, Alexandra; Rodríguez-Vélez, Patricia; Arana-Florez, Ronald (Universidad de la Costa, 2019-01-18)
      Background: The first contact that every customer has when buying a food is the packaging, this is responsable for the handling, security, aesthetics and even advertising of the product. Over the years, the food industry ...
    • Why community-based tourism and rural tourism in developing and developed nations are treated differently? A review 

      Zielinski, Seweryn; Jeong, Yoonjeong; Kim, Seong-il; B. Milanés, Celene (Corporación Universidad de la Costa, 2020)
      Rural community tourism initiatives in developed nations share most positive and negative characteristics with community-based tourism (CBT) initiatives in developing nations. They also share many barriers and conditions ...
    • Willingness to pay for beach ecosystem services: the case study of three Colombian beaches 

      Enriquez Acevedo, Tatiana; Botero, C.M.; Cantero Rodelo, Ruben Dario; Pertuz Rodriguez, Ana Milena; Suarez Agudelo, Andres (Ocean And Coastal Management, 2018-04-27)
      Throughout the scientific literature, beaches have been regarded as very valuable ecosystems for the tourism industry; however, these ecosystems provide multiple direct and indirect benefits beyond tourism. This paper ...
    • Wind and power density data of strategic offshore locations in the Colombian Caribbean coast 

      Rueda-Bayona, Juan Gabriel; Guzmán, Andrés; Cabello Eras, Juan José (Corporación Universidad de la Costa, 2019)
      The high potential of wind speed in the Colombian Caribbean coast is an opportunity to develop offshore wind energy technology. This article contains the wind speed and wind power density in four strategic locations in ...
    • Wind missing data arrangement using wavelet based techniques for getting maximum likelihood 

      Zapata-Sierra, Antonio Jesús; Cama-Pinto, Alejandro; Montoya, Francisco Gil; Alcayde, Alfredo; Manzano-Agugliaro, Francisco (Universidad de la Costa, 2019-02-25)
      Long time series of wind data can have data gaps that may lead to errors in the subsequent analyses of the time series. This study proposes using the wavelet transform as a system to verify that a data completion technique ...
    • Wind speed prediction based on univariate ARIMA and OLS on the Colombian Caribbean Coast 

      Palomino, Kevin; Reyes, Fabiola; Núñez, José; Valencia, Guillermo; Herrera Acosta, Roberto (Journal of Engineering Science and Technology Review, 2020)
      Greater incorporation of wind energy into power systems has necessitated the development of accurate and reliable techniques for wind speed forecasting. However, although there are multiple studies, none are set up for the ...
    • Wireless sensor network for forest fire detection 

      Varela, Noel; Díaz-Martinez, Jorge L; Ospino, Adalberto; Lizardo Zelaya, Nelson Alberto (Corporación Universidad de la Costa, 2020)
      Some methods for fire detection include monitoring from watch towers and the use of satellite images [1] [2]. Unfortunately, these are not efficient due to several reasons, such as high infrastructure costs (sophisticated ...
    • Women on boards and efficiency in a business‐orientated environment 

      Uribe Bohorquez, Maria Victoria; Martínez Ferrero, Jennifer; García Sánchez, Isabel María (John Wiley and Sons Ltd, 2019-08-23)
      This study proposes a new research approach to examining the relationship between board diversity in terms of gender differences and corporate performance, measured by technical efficiency. Moreover, this paper also examines ...
    • WSIA: web ontological search engine based on smart agents applied to scientific articles 

      Ariza Colpas, Paola Patricia; Piñeres Melo, Marlon Alberto; Nieto-Bernal, Wilson; Morales Ortega, Roberto (Universidad de la Costa, 2019-07-19)
      The Semantic Web proposed by the W3C (Word Wide Web Consortium), aims to make the automation of the information contained in the current web through semantic processing based on ontologies that define what must be the rules ...
    • Θ-modifications on weak spaces 

      Rosas Rodriguez, Ennis Rafael; Carpintero, C.; Sanabria, J. (Acta Universitatis Sapientiae, Mathematica, 2018)
      In this article, we want to study and investigate if it is possible to use the notions of weak structures to develop a new theory of - modi cations in weak spaces and study their properties, nally we study some forms ...