Investigaciones: Envíos recientes
Mostrando ítems 401-420 de 1409
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E-commerce in China and Latin America. A Review and Future Research Agenda
(Cartagena de Indias, 2023)This study reviews scientific publications in China’s e-commerce and influence on Latin America’s market. The study took China, Mexico, Colombia, Venezuela, Chile, Argentina and Uruguay as variables. This study also offers ... -
Design and simulation of techniques for mitigation of harmonic distortion in a three-phase rectifier
(Cartagena de Indias, 2020)Rectifiers are electrical devices that receive an alternating signal and deliver a direct current signal at their output, this process by which they transform one type of energy to another is known as rectification. This ... -
The (Sexist and Racist) Image of Isabel Preysler in the Spanish Media Coverage of Her Romantic Relationships
(Cartagena de Indias, 2022-07)The following research reviews articles in the press related to Isabel Preysler, a celebrity of Filipino origin in Spain, who was often covered by the Spanish media because of her romantic relationships: marrying the singer ... -
Stationary-state analysis of low-voltage DC grids
(Cartagena de Indias, 2021-01-01)The optimal power flow is a classic method for alternating current networks, which can also be applied to direct current networks. However, it is needed to design new methods that guarantee convergence and global optimum. ... -
A Six Sigma Approach to Assessing the Quality of Higher Education in Colombia [Un enfoque de Seis Sigma para evaluar la calidad de la educación superior en Colombia]
(Cartagena de Indias, 2022)Las instituciones universitarias se enfrentan a retos de competitividad que se enmarcan en las exigencias de la sociedad, los cambios de preferencia de los estudiantes y la evolución tecnológica; esto plantea la necesidad ... -
Skin color correction via convolutional neural networks in 3D fringe projection profilometry
(Cartagena de Indias, 2021-09-02)Fringe Projection Profilometry (FPP) with Digital Light Projector technology is one of the most reliable 3D sensing techniques for biomedical applications. However, besides the fringe pattern images,often a color texture ... -
The applications of Industry 4.0 (I4.0) technologies in the palm oil industry in Colombia (Latin America)
(Cartagena de Indias, 2022-05-20)Seven percent of world palm oil (PO) production comes from Latin America (LATAM), 15% certified as sustainable PO with the adoption of the Round Table model for Sustainable Palm Oil (RSPO), pointing to sustainable agriculture ... -
Educating the Global-Minded Business Professional and Manager
(Cartagena de Indias, 2020)One of the main concerns in human resource management around the world is how education is encouraging the understanding of global issues, cultures, technological changes and social trends to make appropriate decisions in ... -
Education: emerging relationships in the search for the formation of the other
(Cartagena de Indias, 2023)Purpose: This article describes the findings of a phenomenological study whose purpose was to understand the essence of education from the analysis of the relationships emerging between the main educational actors (professors ... -
Software to Assist Visually Impaired People During the Craps Game Using Machine Learning on Python Platform
(Cartagena de Indias, 2022-03-30)Pattern recognition is a prominent area of research in computer vision, where different methods have been proposed in the last 50 years. This work presents the development of a Python API to identify the result of two ... -
Smart Water Grids and Digital Twin for the Management of System Efficiency in Water Distribution Networks
(Cartagena de Indias, 2023-03-15)One of the main factors contributing to water scarcity is water loss in water distribution systems, which mainly arises from a lack of adequate knowledge in the design process, optimization of water availability, and ... -
A Six Sigma and DEA approach for learning outcomes assessment at industrial engineering programs
(Cartagena de Indias, 2023)This research assesses the performance of 89 industrial engineering degrees in Colombia. The proposed approach articulates the Six Sigma concept of quality with the efficiency assessment from data envelopment analysis. The ... -
Voltage Regulation in a Buck Converter for an Unknown CPL: An Extended Feedback Control Design
(Cartagena de Indias, 2023-03-03)This paper deals with the problem of the output voltage regulation in a buck converter for an unknown constant power terminal (CPL) which generates a nonlinear dynamical model that requires an efficient control technique. ... -
A Recommender System for Digital Newspaper Readers Based on Random Forest
(Cartagena de Indias, 2022)In this research, the potential of machine learning methods based on decision trees (DT) and Random Forest (RF) models developed in the context of classifying readers of a digital newspaper. For this purpose, the number ... -
ACTIVE TEACHING METHODS ASSOCIATED WITH LEARNING ANALYTICS
(Cartagena de Indias, 2022)En el proceso de enseñanza aprendizaje el componente, método, es fundamental para que los alumnos puedan apropiarse de los saberes y de ellos, los activos, propician una participación protagónica de los estudiantes. El ... -
What is photography and where is it going?
(Cartagena de IndiasCampus Tecnológico, 2021-07) -
A mixed-integer convex approximation for optimal load redistribution in bipolar DC networks with multiple constant power terminals
(Cartagena de Indias, 2022)This paper proposes a mixed-integer convex model for optimal load-balancing in bipolar DC networks while considering multiple constant power terminals. The proposed convex model combines the Branch and Cut method with ... -
Which cost of debt should be used in forecasting cash flows?
(Cartagena de Indias, 2009-04-20)Frequently, analysts and teachers use the capitalized rate of interest for the cost of debt when forecasting and discounting cash flows. Others estimate the interest payments when forecasting annual financial statements ... -
A method for evaluating the quality service of a user unit in a water service company in Colombia
(Cartagena de Indias, 2020)This research study proposes a method to evaluate the quality of service of a user service unit in a water service company in Colombia. Based on the theoretical foundation associated with the quality of service and the Six ... -
A mathematical model for the optimization of e-commerce logistics operations in the face of the spread of COVID-19
(Cartagena de Indias, 2021)In this work, it was carry out a new model of attention to product orders in e-commerce operations in a pandemic situation. The model was evaluated in situations that require capacity and flexibility for companies when the ...
Universidad Tecnológica de Bolívar - 2017 Institución de Educación Superior sujeta a inspección y vigilancia por el Ministerio de Educación Nacional. Resolución No 961 del 26 de octubre de 1970 a través de la cual la Gobernación de Bolívar otorga la Personería Jurídica a la Universidad Tecnológica de Bolívar.