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Proposal for the Evaluation of Open Data Portals

Abstract: The provision of portals that serve as a source of access and availability of public domain data is part of the adoption of public policies that some government entities have implemented in response to the establishment of an open, transparent, multidirection

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Characterization of Wireless Data Transmission over Wi-Fi in a Biomechanical Information Processing System

Abstract: This paper presents a characterization of the wireless transmission of biomechanical signals in an embedded system, where a TCP protocol is used in an IEEE 802.11 communications network (Wi-Fi). The embedded system under study, called Imocap, allows the colle

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Evaluación de la resistencia a la corrosión del acero AISI 316l sometido a deformaciones severas mediante la técnica presión calibrada

Resumen: En esta investigación, muestras de acero AISI 316L fueron sometidas a deformación plástica severa por la técnica presión calibrada (GP) mediante el uso de 2 matrices de acero de herramientas tipo A2 con dimensiones de 96 mm X 96 mm, una matriz corrugada con d

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Assessment of Chemically Modified Lignocellulose Waste for the Adsorption of Cr (VI)

Abstract: Chromium (Cr(VI)) presents carcinogenic and mutagenic effects in living beings. Biosorption is an alternative to conventional technologies for the treatment of waste water. The aim of this study was to assess the use of corncob and orange peels modified with

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Microwave Frequency Characterization of Barium Titanate Films Obtained Via Sol-Gel

Abstract: The present work focuses on the structural, morphological and dielectric characterization of barium titanate films (BTO or BaTiO3 due to its chemical formula) deposited by spin coating on crystalline silicon (Si) substrates and CPW resonators using the Sol-Ge

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Analysis of the Feasibility of Generating Solid Biofuel from Ulex Europaeus Plants

Abstract: The Ulex europaeus (also known as Common Gorse) represents a threat to the native ecosystems of different Colombian regions. Recently, the Ministry of the Environment and Sustainable Development introduced protocols for its prevention and management. Even tho

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Characterization of Green Infrastructure at the Local Level with Geographical Information System, Tunja (Colombia)

Abstract: This article presents a characterization of the areas likely to integrate a Green Infrastructure (GI) for the Tunja city at local scale and spatial analysis is mainly applied to the land cover and land use of the study area. To identify the areas that could b

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Preparation of a Composite Material from Palm Oil Fiber and an Ecological Emulsion of Expanded Polystyrene Post-Consumption

Abstract: The overproduction of plastics and the wide availability of natural fibers that become a source of contamination before ending their useful life, in a context of environmental crisis, has led researchers to study how to integrate them into the production of b

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Neural Model for the Prediction of Volume Losses in the Aging Process of Rums

Abstract: The rum aging process shows volume losses, called wastage. The numerical operation variables: product, boardwalk, horizontal and vertical positions, date, volume, alcoholic degree, temperature, humidity and aging time, recorded in databases, contain valuable

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Generation of 3D Tumor Models from DICOM Images for Virtual Planning of its Recession

Abstract: Medical images are essential for diagnosis, planning of surgery and evolution of pathology. The advances in technology have developed new techniques to obtain digital images with more details, in return this has also led to disadvantages, such as: the analysi

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Agricultural Use of Biosolids Generated in Wastewater Treatment of a Food Industry

Abstract: Biosolids generated as waste from a Wastewater Treatment Plant (WTP) are a pollution problem by the provision of large volumes in landfills and the waste of their potential as an agricultural input. The research conducted trials to analyze the agricultural u

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Design and Implementation of a Low Power Wind Turbine Emulator Through the Induction Motor- Permanent Magnet Generator Arrangement

Abstract: This paper presents the design and construction stage of a low power wind turbine emulator, used at the laboratory level, to reproduce different wind profiles. There are several types of wind emulators, among which the wind tunnel emulators stand out. These e

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Object Recognition Through Artificial Intelligence Techniques

Abstract: This paper describes a methodology for object recognition categorized as polyhedron and non-polyhedron. This recognition is achieved through digital image processing combined with artificial intelligence algorithms, such as Hopfield networks. The procedure co

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Induction Generator Characterization for a Medium and Low Wind-Power Generator

Abstract: The following paper was part of the research work of the GEOM Seed Plant, which develops medium and low power wind generators. The aim was to develop proposals of prototypes that contribute with innovation and research to the development of non-conventional r

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Evaluation of Activated Carbon Electrodes as Anodes in a Microbial Fuel Cell Using Shewanella Putrefaciens

Abstract: In this work, three types of activated carbons were evaluated as electrodes in the anode chamber of a two-chamber microbial fuel cell (MFC). The evaluation was applied using a pure Shewanella Putrefaciens culture due to its gram-negative characteristics. In t

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Valuation of the Durability of the Concrete Used in the Precast Great Soviet Panel System

Abstract: The durability of the concrete of the precast Great Soviet Panel system is valued through the resistance to compression, ultrasonic pulse velocity, surface methods, humidity and potential of corrosion. The evaluation is approached, essentially, through experi

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Optimization of the Effect of Temperature and Bed Height on Cr (VI) Bioadsorption in Continuous System

Resumen: En el presente artículo se propone como adsorbentes residuos del proceso de extracción de almidón de plátano para remover Cr (VI) en un sistema continuo de lecho fijo, variando la temperatura 33, 40, 55, 70 y 76 °C y altura de lecho en el rango de 15.5, 30, 6

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Comparison Between Machine Learning Models for Yield Forecast in Cocoa Crops in Santander, Colombia

Abstract: The identification of influencing factors in crop yield (kg·ha-1) provides essential information for decision-making processes related to the prediction and improvement of productivity, which gives farmers the opportunity to increase their income. The current

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Exploratory Study on Wetlands Area Decrease in Bogota due to Construction Activity: 1950-2016

Abstract: The aim of the study was to quantify in an explorative way the damage of the wetland area because of drying and construction activities, from 1950 to 2016 in Bogota city. To such end, an estimate of the wetland area of Bogotá was made for the years 1950, 1989

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Polymeric Ablative Composite Materials and their Application in the Manufacture of Aerospace Propulsion Components

Abstract: The development of thermal protection systems and high-temperature composite materials for the manufacture of low-weight propulsion components represents a major challenge for the aerospace industry, especially in the field of rocketry. The rocket combustion

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Application of the Dynamic Compaction for Large Imprint Structures in Córdoba, Argentina

Resumen: El método de compactación dinámica, muy poco difundido en Argentina, no ha sido utilizado en la ciudad de Córdoba hasta esta ocasión. Su aplicación en la “Planta de Tratamiento de Líquidos Cloacales Bajo Grande” ha constituido un gran logro técnico y ecónomic

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Smart Lumini: A Smart Lighting System for Academic Environments Using IOT-Based Open-Source Hardware

Abstract: Rational energy consumption in large buildings depends on both the users' consumption culture and the management systems implemented. In Colombia, few buildings have an energy management system characterized by its adaptability to the user and with a certain

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Comparison of in Batch Aerobic and Anaerobic Processes for the Degradation of Organic Matter in a Tropical Reservoir

Abstract: The decomposition of submerged organic matter after the flooding process of a reservoir and the organic matter transported by the tributaries that supply it, gives rise to the formation of greenhouse gases (GHG), such as CO. and CH., product of the aerobic an

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Path Loss Characterization in an Indoor Laboratory Environment at 3.7 GHz in in Line-Of-Sight Condition

Abstract: The objective of this work is to propose experimental path loss propagation models for communication channels in indoor environments. In this sense, an experimental path loss characterization has been achieved, according to the measurements campaign carried o

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Aproximación a la estimación de la amenaza geotécnica originada por excavaciones profundas en arcillas de Bogotá: Una contribución a la sustentabilidad en entornos urbanos

Abstract: The development of resilient and sustainable cities considers the construction of infrastructure projects that involve deep excavations. During excavations, surface displacements frequently occur that may be inadmissible for previously constructed elements of

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Effect of Thermal Cycling on Abrasive Wear Response of Cu-1.9Be-0.25(Co+Ni) Alloy

Abstract: Cu-Be alloys are considered high strength alloys when containing 0.2% to 2% of Be per weight, 0.2% to 2.7% of Co per weight, and up to 2.2% of Ni per weight, since they can present an elastic limit higher than 1380 MPa after aging (precipitation hardening), w

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Detección de tendencias de homicidios en Colombia usando Machine Learning

Resumen: En las últimas décadas, el número de homicidios violentos en América Latina ha crecido considerablemente debido a la ampliación y auge de grupos criminales organizados en zonas rurales y urbanas de las principales ciudades de países como México, Colombia y Ve

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Potential Infiltration Determination in Areas of Influence of the Zona Bananera Aquifer in Northern Colombia

Abstract: Through the implementation of geographic information systems (GIS) and images of the study area obtained by remote sensors, the curve number method (NC) was implemented in this research, in order to determine potential recharge zones in two micro-basins in th

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Predicción de radiación solar en sistemas fotovoltaicos utilizando técnicas de aprendizaje automático

Resumen: La estimación de la radiación solar es fundamental para quienes participan en la planificación de granjas de energía solar, ya sean aisladas o conectadas a las redes de distribución eléctrica. Esto para el aprovechamiento de las fuentes de energía renovables,

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Identificación automática de transformación en el bosque seco tropical colombiano usando GMM y UBM-GMM

Resumen: Hoy, los métodos de aprendizaje automático se han convertido en una herramienta para ayudar a frenar los efectos del calentamiento global, al resolver cuestiones ecológicas. En particular, el bosque seco tropical (BST) de Colombia se encuentra actualmente ame

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Métricas de legibilidad del código fuente: revisión sistemática de literatura

Resumen: La calidad del software es un aspecto ligado directamente a los costos futuros de mantenimiento y, generalmente, se cuantifica mediante métricas de calidad de los productos de software. Uno de los aspectos a tener en cuenta para evaluar la calidad del softwar

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Framework conceptual para el diseño colaborativo de Sistemas de Información en Salud

Resumen: El diseño de sistemas de información ajustado a las necesidades del sector salud requiere una atención especial, debido a la complejidad de la información, la compatibilidad y el soporte de los sistemas requerido para este sector. A pesar de existir iniciativ

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Prevención del síndrome de Burnout mediante programación neurolingüística soportada por la Web de las Cosas: Mapeo sistemático

Resumen: En esta investigación, mediante la exploración de la literatura, se realizó un mapeo sistemático sobre la aplicación de técnicas de programación neurolingüística (PNL) soportadas en la Web de las Cosas (WoT) para prevenir el síndrome de Burnout. Dicho síndrom

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Métricas basadas en un enfoque guiado por riesgos para evaluar la comunicación, cooperación y coordinación en equipos de desarrollo global de software

Resumen: El éxito del desarrollo global de software (DGS) depende, en gran parte, de la forma como se comunican, cooperan y coordinan (3Cs) los esfuerzos en la gestión de los proyectos y los equipos de trabajo geográficamente dispersos. En la literatura, se identifica

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Sistema de asistencia a la conducción usando visión por computadora y aprendizaje máquina

Resumen: La seguridad ha sido uno de los puntos claves en el diseño vehicular, por lo que uno de los principales objetivos es implementar sistemas de alerta para notificar al conductor sobre algún proceso inadecuado o atípico en su conducción, con el fin de evitar acc

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Adaptation, Comparison, and Improvement of Metaheuristic Algorithms to the Part-of-Speech Tagging Problem

Abstract: Part-of-Speech Tagging (POST) is a complex task in the preprocessing of Natural Language Processing applications. Tagging has been tackled from statistical information and rule-based approaches, making use of a range of methods. Most recently, metaheuristic a

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SAM: modelo híbrido preliminar para apoyar la transformación ágil a gran escala en industrias de software

Resumen: Los enfoques ágiles escalados se han convertido en una alternativa que permite sincronizar las actividades e interacciones entre equipos grandes de desarrollo. Sin embargo, éstos no describen los aspectos fundamentales para transformar/evaluar el enfoque actu

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Modelado exploratorio del rendimiento y la confiabilidad de software sobre middleware orientado a mensajes

Resumen: El rendimiento es un importante atributo de calidad de un sistema de software. La Ingeniería de rendimiento del software comprende las actividades de análisis, diseño, construcción, medición y validación, que atienden los requerimientos de rendimiento a lo la

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SOPHIA: System for Ophthalmic Image Acquisition, Transmission, and Intelligent Analysis

Abstract: Ocular diseases are one of the main causes of irreversible disability in people in productive age. In 2020, approximately 18% of the worldwide population was estimated to suffer of diabetic retinopathy and diabetic macular edema, but, unfortunately, only half

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Ultrasound Applied in the Reduction of Viscosity of Heavy Crude Oil

Abstract: Reducing the viscosity of heavy oil through upgrading techniques is crucial to maintaining the demand for oil, which is growing at an annual rate of 1.8%. The phenomenon of acoustic cavitation occurs when ultrasound is applied in the treatment of heavy crudes

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Effect of the Harmonic Voltage Distortion on the Efficiency of a Compact Fluorescent Lamp

Abstract: This paper evaluates the effect of the voltage harmonic distortion over the efficiency of a compact fluorescent lamp that is fed with a constant RMS voltage and constant frequency. Several works have been published about the assessment of compact fluorescent

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Learning about Programming and Epistemic Emotions: A Gendered Analysis

Abstract: Programming courses often turn into courses with high percentage of desertion and, sometimes, result in a factor that drives students to abandon their careers, even when they are subjects highly relevant in the training of engineers in the areas of computer s

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Numerical Study of a Helical Heat Exchanger for Wort Cooling in the Artisanal Beer Production Process

Abstract: The objective of the present work is to study the behavior of a helical tube and shell heat exchanger, for the cooling of the wort in the process of making craft beer with cold water, through the methodology of computational fluid dynamics (CFD) by finite vol

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Application of Micro-Raman Spectroscopy for the Quantitative Analysis of Vitrinite Reflectance in Medium and High Rank Colombian Coals

Abstract: The structural changes and the degree of maturity of three Colombian coals from the Santander and Antioquia provinces were studied using a simple and fast curve fitting method of the RBS parameters (the distance between band G and band D), FWHM - G (total wid

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Uso de la realidad aumentada, gamificación y m-learning

Resumen: La realidad aumentada, la gamificación y m-learning ocupan hoy en día un lugar importante en la educación, dadas las ventajas que ha supuesto el uso de las tecnologías móviles, de manera independiente o en combinación con otros escenarios tecnológicos y los d

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