Now showing items 1504-1523 of 1782

    • S-I-convergence of sequences 

      Guevara, Andrés; Sanabria, José; ROSAS, ENNIS (Universidad de la Costa, 2020)
      In this article, we use the notions of a semi-open set and topological ideal, in order to define and study a new variant of the classical concept of convergence of sequences in topological spaces, namely, the S-I-convergence. ...
    • Safety disconnect: Analysis of the role of labor experience and safety training on work safety perceptions 

      Lafuente, Esteban; Abad, Jesús; Vaillant, Yancy (Journal of Industrial Engineering and Management, 2018-01)
      Purpose: This study analyzes work safety perceptions among workers and safety experts in the construction industry. Furthermore, we evaluate whether experiential learning (i.e., labor experience) and knowledge-enhancing ...
    • Sale forecast for basic commodities based on artificial neural networks prediction 

      silva d, jesus g; Jesús Vargas Villa; Cabrera, Danelys (Universidad de la Costa, 2020)
      The objective of this paper is to carry out the comparison and selection of a method to forecast sales of basic food products efficiently. The source of data comes from a set of popular markets in the main departments of ...
    • Sales segmentation for a mobile phone service throug logistic regression algorithm 

      Amelec, Viloria; Wang, Guojun; Gaitan, Mercedes (Universidad de la Costa, 2019)
      The research aims to describe the CRISP-DM method to identify optimal customer groups that are likely to migrate from a prepaid to postpaid plan in order to formulate an improvement plan in call management by sorting the ...
    • Sales segmentation for a mobile phone service through logistic regression algorithm 

      Viloria, Amelec; Wang, Guojun; Gaitan, Mercedes (Corporación Universidad de la Costa, 2020)
      The research aims to describe the CRISP-DM method to identify optimal customer groups that are likely to migrate from a prepaid to postpaid plan in order to formulate an improvement plan in call management by sorting the ...
    • Salud mental positiva y calidad de vida en adolescentes trabajadores y no trabajadores del municipio de Toluviejo, Sucre 

      Mercado Salgado, Diany; Madariaga Orozco, Camilo; Martínez González, Marina (Universidad de la Costa CUC, 2012-04-16)
      El presente artículo deriva de la investigación que tuvo como objetivo describir la salud mental positiva y la calidad de vida de menores trabajadores y no trabajadores de Toluviejo, Sucre. Se llevó a cabo una investigación ...
    • Sand colour at Cuba and its influence on beach nourishment and management 

      Pranzini, Enzo; Anfuso, Giorgio; Botero Saltaren, Camilo; Cabrera, Alfredo; Apin Campos, Yanet; Casas Martínez, Grace; Williams, Allan Thomas (Universidad de la Costa, 2016-03-29)
      The colour of 93 beaches in Cuba was assessed in CIEL*a*b* colour space. Study sites comprised exposed and sheltered mainland beaches and keys. Notwithstanding the limited extension of this country, beaches show real colour ...
    • Sand colour at Cuba and its influence on beach nourishment and management 

      Pranzini, Enzo; Anfuso, Giorgio; Botero Saltaren, Camilo; Cabrera, Alfredo; Apin Campos, Yanet; Casas Martínez, Grace; Williams, Allan Thomas (Ocean and Coastal Management, 2016-03-29)
      The colour of 93 beaches in Cuba was assessed in CIEL*a*b* colour space. Study sites comprised exposed and sheltered mainland beaches and keys. Notwithstanding the limited extension of this country, beaches show real colour ...
    • Santa Marta: Dos tintos, dos mundos, dos realidades o dos cafeterías 

      Acevedo Merlano, Alvaro (Corporación Universidad de la Costa, 2016-11-07)
      Esta crónica pretende a partir del tinto, realizar una comparación descriptiva entre una manifestación gastronómica hegemónica y una que consideramos puede ser llamada “de resistencia”. Pero ¿por qué el tinto? La respuesta ...
    • Satisfacción con la vida y su relación con la religión y la salud en estudiantes universitarios de Colombia 

      Sanchez Fuentes, Maria Del Mar; Florez Donado, Jennifer Paola; Torres Salazar, Prince Luz; Herrera Mendoza, Ketty Milena; Ossa Sierra, Johana Carolina de la; Castro, Alberto De; Rodríguez Calderón, Gisella; Mejia Puerta, Erick Alejandro; Gomez Hernandez, Martha Maria; Parra Barrera, Sandra Milena; Espinosa Jaimes, Victor Manuel; Montero Campo, Daniela Isabel; Rebolledo Quintero, Jesus David (Espacios, 2018)
      El presente estudio tuvo como objetivo estimar las correlaciones entre la satisfacción con la vida, la religión y la salud en una muestra de 446 participantes (42,60% varones y el 57,40% mujeres), con edades comprendidas ...
    • Satisfacción Laboral en las Pyme colombianas del sector Textil-Confección 

      Moreno Charris, Ana Virginia; Chang Munoz, Eduardo Antonio; Romero Melo, Jenny Esperanza (Revista Venezolana de Gerencia, 2018-03-17)
      El objetivo de este artículo es analizar la satisfacción de los empleados de las pyme exportadoras del sector textil-confección de Barranquilla, Colombia. La perspectiva teórica se orientó fundamentalmente considerando ...
    • Satisfactores del desarrollo infantil en contextos de interfase rural-urbana 

      Romero Varela, Douglas; Martínez-González, Marina Begoña (Perfiles Latinoamericanos, 2018-07-23)
      This paper analyzes the satisfiers of child development present in the care practices that parents and caregivers implement with their children between 0 and 8 years old, from the perspective of a human scale development. ...
    • A scientometric analysis of the investigation of biomass gasification environmental impacts from 2001 to 2017 

      Salinas, Luis F. Caicedo; Ochoa, Guillermo Valencia; Cardenas, Yulineth Escorcia (International Journal of Energy Economics and Policy, 2018)
      To reduce the effects of climate change due to massive CO 2 emissions, renewable energy sources have been implemented; among them biomass through gasification. An important aspect of studying are the environmental impacts ...
    • Search for optimal routes on roads applying metaheuristic algorithms 

      amelec, viloria; Lizardo Zelaya, Nelson Alberto; Varela, Noel (Corporación Universidad de la Costa, 2020)
      The design of efficient routes for vehicles visiting a significant number of destinations is a critical factor for the competitiveness of many companies. The design of such routes is known as the vehicle routing problem. ...
    • Security-state estimation of electrical power systems: a methodological proposal 

      Sanz, Fredy A.; Collazos, Carlos A.; Ruiz, Iván; Meléndez Pertuz, Farid Alexander (Lecture Notes in Artificial Intelligence, 2019-06-29)
      Security assessment techniques are a tool that allows the operational personnel of electrical systems to categorize operating conditions in different labels. Nowadays, the large size of power grids and the operating ...
    • Sediment Bypassing from the New Human-Induced Lobe to the Ancient Lobe of the Turbo Delta (Gulf of Uraba´, Southern Caribbean Sea) 

      Alcantara-Carrio, Javier; Caicedo, Ana; C. Hernandez, Jonny; Jaramillo-Velez, Alfredo; P. Manzolli, Rogerio (Journal of Coastal Research, 2019-01)
      Alca´ntara-Carrio, J.; Caicedo, A.; Herna ´ ´ndez, J.C.; Jaramillo-Velez, A., and Manzolli, R.P., 2019. Sediment bypassing ´ from the new human-induced lobe to the ancient lobe of the Turbo Delta (Gulf of Uraba´, Southern ...
    • Seed dispersal by fruit bats in Colombia generates ecosystem services 

      Enriquez Acevedo, Tatiana; Perez-Torres, Jairo; Ruiz-Agudelo, Cesar; Suarez, Andres (Corporación Universidad de la Costa, 2020-11-16)
      When fruit bats forage, they serve an important ecological function, such as seed dispersal. Although several authors have approached the significance of bats in generating ecosystem services, there is a gap in understanding ...
    • Segmentation of sales for a mobile phone service through CART classification tree algorithm 

      Viloria, Amelec; Wang, Guojun; Gaitan, Mercedes (Corporación Universidad de la Costa, 2020)
      The work consisted of detailing the CRISP-DM method in order to identify optimal groups of customers who are more likely to migrate from a prepaid to postpaid option in order to formulate an improvement plan for in call ...
    • Segmentation process and spectral characteristics in the determination of musical genres 

      amelec, viloria; Pineda Lezama, Omar Bonerge; Cabrera, Danelys (Corporación Universidad de la Costa, 2020)
      Over the past few years there has been a tendency to store audio tracks for later use on CD-DVDs, HDD-SSDs as well as on the internet, which makes it challenging to classify the information either online or offline. For ...
    • Selecting the most suitable classification algorithm for supporting assistive technology adoption for people with dementia: a multicriteria framework 

      Ortiz Barrios, Miguel Angel; Nugent, Chris; Cleland, Ian; Donnelly, Mark; Verikas, Antanas (Universidad de la Costa, 2019-07-03)
      The number of people with dementia (PwD) is increasing dramatically. PwD exhibit impairments of reasoning, memory, and thought that require some form of self‐management intervention to support the completion of everyday ...