Enrique J. De La Hoz

• Master of Science
• Professor at Universidad Tecnológica de Bolívar

The evaluation and ranking of companies in any sector are generally based on a single measure of financial success, so the results obtained vary according to the classification criteria used. This study applies a multi-criteria approach to develop a classification of the largest companies in Colombia based on their financial results for the period...

This study proposes a methodology that combines Six Sigma and Data Envelopment Analysis (DEA) to measure the quality of banking services. The proposed framework emphasizes seven essential quality dimensions: prompt response, efficient channels, fraudulence, processes, dependable service, credibility, customer satisfaction, and risk management. Inte...

This research aims to design a helpful methodology for estimating universities' relative impact on students as a sustainability factor in higher education. To this end, the research methodology implemented a two-stage approach. The first stage involves the relative efficiency analysis of the study units using Fuzzy Data Envelopment Analysis. The se...

This research aims to design a quality management tool in education. The methodology comprises two stages: first, the construction of the decision tree model, and second, the efficiency evaluation. For the validation and development of this research, the data modelled corresponds to the standardized exams for higher education in Colombia of ninety...

This article proposes an approach for the classification of industrial engineering programs offered by different higher education institutions (HEIs) in Colombia, using data envelopment analysis (DEA) and validating the results with cluster analysis. To perform this classification, data from 5318 industrial engineering students from 93 higher educa...

This research explores the potential of supervised machine learning models to support the decision-making process in demobilizing ex-combatants in the peace process in Colombia. Recent works apply machine learning in analyzing crime and national security; however, there are no previous studies in the specific contexts of demobilization in an armed...

This research aims to determine the impact of internal and external factors of Social Capital, Entrepreneurial Self-Efficacy, and Person-Entrepreneurship Fit in the transition of nascent entrepreneurs toward venture creation. For the development of this research, a sample of 500 entrepreneurs located in Colombia who are creating a company was taken...

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 of visits of users to each section of the newspaper in a 3-month interval has been taken into account. The models of DT and RF dev...

In this research, a methodology is developed to measure the quality of the Colombian educational system by analyzing universities and their academic programs. For the above, a Six Sigma approach is used as a tool for educational management in order to classify, evaluate and analyze the educational system having two approaches: universities and acad...

This research develops an academic production function for the educational process of industrial engineers in Colombia. The proposed function objectively analyses the relationships between the academic competencies obtained in secondary education and the university. The data used correspond to the standardized tests of 4,977 students at the end of...

This research develops a production function to evaluate the teams’ efficiency in the Colombian professional soccer league. The designed methodology uses the concepts of structural equations and Data Envelope Analysis. In the development of the research, primary information associated with the sports and financial performance of the 20 Colombian Pr...

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 de generar herramientas objetivas para la toma de decisiones que permitan identificar las instituciones que están aportando efec...

The main purpose of this study is to design a learning outcomes system and assess its importance in academic higher education programs in Colombia. The approach applied is propositional and rational and compares the Decrees 1330 of 2019 and 21795 of 2020 issued by the Ministry of National Education of Colombia. Analyzes are performed from a concept...

This research aims to relate Information and Communication Technologies (ICT) in the processes of distribution and use of knowledge in Higher Education Institutions (HEI). The methodology used was based on the quantitative approach, descriptive scope, and non-experimental cross-sectional design, the sample was non-probabilistic, convenience samplin...

This research aims to create a model that provides a more complete view of the behavior of entrepreneurs, to investigate the influence of Social Capital, Entrepreneurial Self-Efficacy and Per-son-Entrepreneurship Fit in the transition of nascent entrepreneurs towards the venture creation. For the development of this research, a sample of 500 entrep...

The results of the development and testing of the methodology for automated processing of satellite images of medium spatial resolution in the heat and short-wave IR range are presented. For the specified test areas, digital maps of the Earth’s surface temperature were obtained for the territories where oil refineries and chemical plants are concen...

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 differences as moderators (for example, gender, educational level and type of contract) in a complete QWL model, based on the methodo...

The article describes the use and applicability of Data Envelopment Analysis without Explicit Input (DEA-WEI) to evaluate the performance in SaberPRO tests of 82 industrial engineering programs in Colombia during 2016-2018. The results obtained can be used as an instrument to strengthen the quality assurance processes in higher education. As a resu...

This research uses a three-phase method to evaluate and forecast the academic efficiency of engineering programs. In the first phase, university profiles are created through cluster analysis. In the second phase, the academic efficiency of these profiles is evaluated through Data Envelopment Analysis. Finally, a machine learning model is trained an...

In this research study an integrated quality management system is proposed for academic programs in Colombian higher education by considering the Colombian legal requirements and high quality accreditation guidelines, and the ISO 9001 standard. Concepts associated with high quality assurance, quality management, and excellence models in higher educ...

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 emotional circumstance for the relatives of the missing person. At the same, the police departments must develop a search task, i...

RESUMEN En el siguiente artículo se propone el uso de las herramientas de análisis de componentes principales (PCA) y análisis envol-vente de datos (DEA) como una metodología para el análisis, la medición y la clasificación de la eficiencia académica de los estudiantes con los resultados de las pruebas Saber PRO en Colombia. La base de datos utiliz...

This research study presents a method to assess the sigma level performance and efficiency of quality dimensions at a higher education institution. A theoretical context is provided on the quality of the service, including the Six Sigma metrics and the data envelopment analysis. Data input are records received by the service management center for 1...

This research study proposes a method to assess the dimensions of service quality in an industrial tank washing company, articulating a control chart and a new multivariate quality indicator. The concepts of multivariate statistical control, service quality, and Six Sigma are used as a theoretical framework. The primary information corresponds to f...

Electric vehicles (EVs) presence in the power grid can bring about pivotal concerns regarding their energy requirements. EVs charging behaviors can be affected by several aspects including socio-economics, psychological, seasonal among others. This work proposes a case study to analyze seasonal effects on charging patterns, using a public real-worl...

Citrus greening disease (Huanglongbing-HLB) is considered the most destructive citrus disease worldwide. Of the three species of Candidatus liberibacter associated with HLB, two have been recently reported in Latin America. The first report of HLB in Colombia was in March 2016. In this paper, a dataset was extracted for six departments in the north...

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 Sigma concept, service quality dimensions were identified to consolidate their valuation and to analyze the results in terms of...

This data article presents data on the results in national assessments for secondary and university education in engineering students. The data contains academic, social, economic information for 12,411 students. The data were obtained by orderly crossing the databases of the Colombian Institute for the Evaluation of Education (ICFES). The structur...

Rev.esc.adm.neg La decisión referente a la localización de un local comercial es de carácter estratégico, ya que se deben estudiar las diferentes alternativas de acuerdo con múltiples factores, de manera que puede considerarse un proceso complejo de toma de decisiones multicriterio o MCDM. En el presente trabajo se propone una metodología para la...

En este proyecto se formula una metodología que combina el Análisis de Componentes Principales (PCA, por sus siglas en ingles) y Análisis Envolvente de Datos (DEA, por sus siglas en ingles) para realizar el análisis de la eficiencia financiera de los operadores turísticos del archipiélago de San Andrés en Colombia del año 2018. A través de esta met...

This research an analysis of the efficiency of the real estate sector of the city of Cartagena - Colombia is developed. For the 46 companies registered as real estate agencies in the city, the techniques of principal components, data envelopment analysis and logistic regression were articulated. The results show an average efficiency of the sector...

Esta investigación analizó la productividad en la formación de competencias ciudadanas en la enseñanza de la ingeniería. Como población se tomó los 92 programas (57.520 estudiantes) que presentaron los exámenes de estado SABER PRO que en Colombia ofrecen carreras de ingeniería industrial, mecánica, civil, sistemas y ambiental para los años 2016, 20...

This article presents a relational analysis between university quality accreditation in industrial engineering programs and the result in standardized tests of higher education in Colombia, employing machine learning techniques. First, a literature review was developed concerning quality accreditations, organizational performance evaluation and mac...

This research proposes a method to evaluate service quality in a documentary attention center in a university. From a quantitative and rational approach, a method based on the theories of quality of service and the concept of Six Sigma was established. Two study periods were analyzed and the metrics associated with the evaluation criteria were cont...

En esta investigación se desarrolla un método apoyado en las técnicas de Aprendizaje automático para evaluar y pronosticar perfiles financieros en el sector de Telecomunicaciones en Colombia. Lo anterior soportado en elementos conceptuales relacionados con el Análisis multivariado y herramientas de Aprendizaje automático. Para lo anterior, se utili...

Emotions are affective states related to physiological responses. This study proposes a model for recognition of three emotions: amusement, sadness, and neutral from physiological signals with the purpose of developing a reliable methodology for emotion recognition using wearable devices. Target emotions were elicited in 37 volunteers using video c...

This research uses a three-phase method to evaluate and forecast the academic efficiency of engineering programs. In the first phase, university profiles are created through cluster analysis. In the second phase, the academic efficiency of these profiles is evaluated through Data Envelopment Analysis. Finally, a machine learning model is trained an...

The article describes a new idea about using Factor Analysis, Mixed Data, and Hierarchical Cluster Analysis on Principal Components to study the academic performance in 82 Industrial Engineering Programs in Colombia. For this, we used the data from the results of the standardized test of the Saber Pro.). The authors find that the first three compon...

Objetivo: Revisar que aprendizaje automático está transformando la forma que las grandes empresas desarrollan las relaciones con sus clientes, diseñan sus productos y gestionan los recursos humanos. Lo anterior como resultado de una transformación digital que consecuentemente generará ventajas competitivas para aquellas empresas que rápidamente pue...

This research presents a method for the creation of business profiles of export companies in the city of Barranquilla - Colombia. The method is supported by the development of unsupervised data learning techniques, Principal Component Analysis and Cluster analysis. The database used corresponds to primary financial information of 107 companies regi...

This research evaluates, classifies and forecasts financial profiles in the subsidized regime in Colombia. The above is supported by a theoretical framework related to multivariate calculation and machine learning, specifically Random Forest and GLMNET. The work is of qualitative, evaluative and predictive approach. After the application of the dif...

This research work proposes a methodology for evaluation and forecasting for companies located in the Industrial Port Zone of the city of Barranquilla, Colombia. Based on an empirical and rational analysis, supported by the concepts of technical efficiency, purely technical efficiency, additive efficiency, efficiency of scale and of mixing, as well...

This article analyzes the impact of university quality accreditations on the results of the national assessment test of higher education in Colombia for Industrial Engineering programs. The research objective is to evaluate if quality accreditations generate a positive impact on the academic results of higher education institutions. The methodology...

Introducción: La cobertura de los programas de vacunación infantil está asociada con la probabilidad de supervivencia de los infantes y es una medida de desempeño de los sistemas nacionales de inmunización. Objetivo: Caracterizar los programas de vacunación infantil en países latinoamericanos a partir de la supervivencia de infantes durante el peri...

This research proposes a method to evaluate service quality in a documentary attention center in a university. From a quantitative and rational approach, a method based on the theories of quality of service and the concept of Six Sigma was established. Two study periods were analyzed and the metrics associated with the evaluation criteria were cont...

This study evaluated the efficiencies of the IPS health providers accredited in quality in Colombia. The normative framework associated with the Mandatory Quality System, the quality accreditation standards for the IPS and the Data Envelopment analysis models, related to the purely technical or administrative efficiency were used as theoretical sup...

This study evaluated the efficiencies of the IPS health providers accredited in quality in Colombia. The normative framework associated with the Mandatory Quality System, the quality accreditation standards for the IPS and the Data Envelopment analysis models, related to the purely technical or administrative efficiency were used as theoretical sup...

A methodology to classify and predict users in virtual education environments, studying the interaction of students with the platform and their performance in exams is proposed. For this, the machine learning tools, main components, clustering, fuzzy and the algorithm of the K nearest neighbor were used. The methodology first relates the users acco...

In this research, a method was developed to evaluate and predict the efficiency of small exporting companies taking as input or asset variables the total assets, equity, total liabilities, operating expenses, sales costs and as output or result variables. net sales, net income and operating income. For this, the envelopment data analysis was used i...

The present research is about the analysis financial efficiency of Colombian companies based on the city of Cali certified by the BASC label, for this purpose we used the linear programming technique called Data Envelopment Analysis (DEA), applying the CCR-O routine aimed to outputs. As input variables, it was worked with: Subtotal of inventory Tot...

Se propone un método para clasificar programas universitarios de ingeniería industrial, colocando especial atención a las relaciones entre las asignaturas del plan de estudio y las 12 áreas de conocimiento planteadas en el cuerpo de competencias publicado por el Instituto de Ingenieros Industriales y de Sistemas (IIES). Para la clasificación propue...

Introducción− Los disolventes son agentes químicos usa-dos en la industria farmacéutica y su importancia radica en que su presencia puede acelerar o retardar la reacción de un fármaco hasta un millón de veces.Objetivo− La presente investigación analiza los diferentes tipos de disolventes para evaluar la existencia de grupos en los cuales se puedan...

En este artículo de investigación, se analizó el comportamiento de lectores de un periódico digital, con el objetivo de encontrar los perfiles asociados al uso del sitio Web, con el propósito de definir estrategias de contenidos y nuevos productos del periódico. Se tomó una muestra de 689 usuarios, correspondiente a tres meses de actividad, a travé...

In this article, we analyzed the behavior of readers of a digital newspaper in order to find the profiles associated with the use of the website, in order to define content strategies and new newspaper products. A sample of 689 users was taken corresponding to three months of activity, through the tool Google Analytics, it was determined the sectio...

En este artículo de investigación, se analizó el comporta - miento de lectores de un periódico digital, con el objetivo de encontrar los asociados al uso del sitio Web, con el propósito de estrategias de contenidos y nuevos productos del periódico. Se tomó una muestra de 689 usua - rios, correspondiente a tres meses de actividad, a través de la her...

Basta con preguntar cuándo fue la última vez que revisó su cuenta de Facebook, Whatsapp, Waze o Tinder, para demostrar la importancia del desarrollo de empresas basadas en el conocimiento creadas por jóvenes en el curso normal de nuestras actividades diarias

This paper compares two methods to solve the classic problem of vehicle routing (VRP), well known for its acronym in English (Vehicle Routing Problem), introduced by Dantzig and Ramser in 1959, which is to minimize the cost to distribute the goods from one warehouse to a set of clients, which uses an accurate method of linear programming and goal h...

El presente artículo compara dos métodos para solucionar el problema clásico de rutas de vehículos (VRP), conocido así por sus siglas en inglés (Vehicle Routing Problem), introducido por Dantzig y Ramser en el año de 1959, el cual consiste en minimizar el costo de repartir la mercancía desde un almacén a un conjunto de clientes, donde se utiliza un...