Universidad Tecnológica de Bolivar UTB (Colombia): últimos ingresos
Mostrando ítems 1861-1880 de 11668
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Diseño de un modelo de buenas prácticas para el uso de la estructura de desglose del trabajo (EDT) en la gestión de proyectos eléctricos para el sector industrial
(2022)El objetivo propuesto por esta investigación consiste en el desarrollo de un marco de referencia para la aplicación de buenas prácticas asociadas al uso de la Estructura de Desglose del Trabajo (EDT) en los grupos de ... -
A quadratic convex approximation for optimal operation of battery energy storage systems in DC distribution networks
(Cartagena de Indias, 2021-11-07)This paper proposes a quadratic convex model for optimal operation of battery energy storage systems in a direct current (DC) network that approximates the original nonlinear non-convex one. The proposed quadratic convex ... -
Network resource mobilisation limitations and the alliance portfolio network
(Cartagena de Indias, 2021-03-11)Purpose –The purpose of this study is to examine how access and mobilisation of network resources influence a firm’s performance. It has been established that alliance portfolio (AP) network parameters shape the access to ... -
Calidad de vida laboral en Cartagena, Barranquilla y Santa Marta
(Cartagena de Indias, 2021-02-05)Recientemente, las principales ciudades del Caribe colombiano han alcanzado las menores cifras de desempleo en el país. Sin embargo, presentan altas tasas de informalidad. Así, este artículo tiene como objetivo analizar ... -
Would you Value a few More Hours of work? Underemployment and Subjective Well-Being Across Chilean Workers
(Cartagena de Indias, 2021-04-08)Underemployment has gained attention in recent years because of its effects on health and well-being (life satisfaction), it is a widespread phenomenon in the labor force that affects not only workers, but also households, ... -
Quantum machine learning for intrusion detection of distributed denial of service attacks: a comparative overview
(Cartagena de Indias, 2021-03-01)In recent years, we have seen an increase in computer attacks through our communication networks worldwide, whether due to cybersecurity systems' vulnerability or their absence. This paper presents three quantum models to ... -
Which factors explain information exchange and user referral among program implementers?
(Cartagena de Indias, 2021-05-26)The Program for Psychosocial Care and Comprehensive Health for Victims serves, on a yearly basis, an average of 25,000 users in northern Colombia alone. The program is implemented by multidisciplinary teams comprised of ... -
Assessing and forecasting method of financial efficiency in a free industrial economic zone
(Cartagena de Indias, 2021-06-11): Industrial free zones are key to the economic progress of developing countries, making the evaluation and forecast of efficiency in these organisations relevant. This research proposes a three-phase method to evaluate ... -
Economic shocks and their efect on the schooling and labor participation of youth: evidence from the metal mining price boom in Chilean counties
(Cartagena de Indias, 2021-06-11)We analyze the efect of an exogenous economic shock on youth, specifcally their incentive for preferring to participate in the labor market over continuing their education. We examine the Chilean case and the sustained ... -
Factors that affect quality of work life of the millennials linked to the commercial sector in Colombia
(Cartagena de Indias, 2021-05-01)The present investigation has two aims: (1) to empirically examine the factors that affect QWL among the millennials working in the commercial sector in Colombia and (2) to investigate the role of a set of individual ... -
Multi-target Attachment for Surgical Instrument Tracking
(Cartagena de Indias, 2021-06-16)The pose estimation of a surgical instrument is a common problem in the new needs of medical science. Many instrument tracking methods use markers with a known geometry that allows for solving the instrument pose as ... -
Treatment for T1DM patients by a neuro-fuzzy inverse optimal controller including multi-step prediction
(Cartagena de Indias, 2021-07-30)Diabetes Mellitus is a serious metabolic condition for global health associations. Recently, the number of adults, adolescents and children who have developed Type 1 Diabetes Mellitus (T1DM) has increased as well as the ... -
Phonetic Detection for Hate Speech Spreaders on Twitter
(Cartagena de Indias, 2021-09-24)Nowadays, hate messages have become the object of study on social media. Efficient and effective detection of hate profiles requires various scientific disciplines, such as computational linguistics and sociology. Here, ... -
Approximated Mixed-Integer Convex Model for Phase Balancing in Three-Phase Electric Networks
(Cartagena de Indias, 2021-08-31)With this study, we address the optimal phase balancing problem in three-phase networks with asymmetric loads in reference to a mixed-integer quadratic convex (MIQC) model. The objective function considers the minimization ... -
The rider behavior questionnaire to explore associations of motorcycle taxi crashes in Cartagena (Colombia)
(Cartagena de Indias, 2021-08-16)Objective: This study aimed to identify the association between behavioral factors and crashes of motorcycle taxi riders using the Motorcycle Rider Behavior Questionnaire (MRBQ). Methods: This study was a cross-sectional ... -
Assessment of organizational policies in a retail store based on a simulation model
(Cartagena de Indias, 2021-09-17)This paper evaluates three organizational policies in a retail store by a discrete simulation model in Simio®. The policies implemented were using one, two, or three express checkouts, cross-trained workers, and allocating ... -
Multi-agent CHANS: BDI Farmer Intentions and Decision Making
(Cartagena de Indias, 2021-09-25)This paper extends previous works on multi-agent-based simulation models of Coupled Human and Natural Systems (CHANS), by introducing a farmer agent model capable of interact with environmental, economic, and spatial ... -
Detection and removal of dust artifacts in retinal images via sparse-based inpainting
(Cartagena de Indias, 2021-09-06)Dust particle artifacts are present in all imaging modalities but have more adverse consequences in medical images like retinal images. They could be mistaken as small lesions, such as microaneurysms. We propose a method ... -
A predictive model for the missing people problem
(Cartagena de Indias, 2021-03-01)The disappearance of people is a multidimensional phenomenon, in which several aspects must be considered. It affects people’s security perception and consumes police resources in its treatment. Therefore, does exists an ... -
Perfil del docente inclusivo de básica primaria: orientado a la transformación del proceso formativo en las instituciones educativas oficiales del distrito de Cartagena-Colombia
(Cartagena de Indias, 2021-01-06)El objetivo del presente estudio es definir el perfil del docente inclusivo de básica primaria de instituciones educativas del Distrito de Cartagena, Colombia. Participaron 91 docentes pertenecientes a seis escuelas oficiales. ...