Repositorio Digital Universidad Simón Bolívar
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ISO 50001: 2018 and Its Application in a Comprehensive Management System with an Energy-Performance Focus
No full textBusiness progress and human development are linked to the e cient management of energy
resources. The research in this paper contributes to the generalized application of good practices
that reduce the vulnerability of companies. The research focuses on energy e ciency through
comprehensive management systems (CMS), and “thought based on risks and opportunities”,
considering the discussion about the revision of ISO 50001:2018, the basic approach of the model
and the route to implement CMS for quality, safety and health in the workplace, environmental
management, energy e ciency, and other risk components. This implementation route, with the
acronym CMS QHSE3+, places special emphasis on the functions of strategic planning, operational
and risk management, and controls, as well as on deliverables and references to examples, templates,
standards, and documents, to facilitate its application general in small and medium enterprises and
in the management of energy e ciency
Data Mining Techniques and Multivariate Analysis to Discover Patterns in University Final Researches
No full textThe aim of this study is to extract knowledge from the final researches of the Mumbai University Science Faculty. Five classification models were applied: Vector Support Machines, Neural Networks, Decision Tree, Random Forest and Powering; considering the Experiment Design and Multivariate Analysis Lines. Results showed that for the Experiment Design line, the most accurate model was Random Forest with 71.48% predictions that are correct respecting to the total. Regarding the Multivariate Analysis line, there was no significant difference in overall accuracy, fluctuating by 97%
Una función de puntuación como medida de calidad para la evaluación de técnicas de mejora de la imagen cardíaca
No full textA score function useful as a quantitative measure
of the performance of the medical image enhancement
techniques is reported in this paper. The measure
proposed is based on merging of full–reference and
blind–reference image enhancement measures. The score
function is the average of the weighted sum of the image
enhancement measures normalized between zero
and one. The novel measure is validated considering as
a hypothesis that values maximizing score function have
that maximize the values of the metrics (Dice coefficient)
used to evaluate certain previously reported cardiac image
segmentation approach. The values of score function
and Dice score reached the maximum value for the same
cardiac volumes segmented.En este artículo se presenta una función de
puntuación útil como medida cuantitativa del rendimiento
de técnicas de mejora de imágenes médicas. La métrica
propuesta se basa en la fusión de medidas de mejora de
imagen de referencia completa y referencia ciega. La función
de puntuación es el promedio de la suma ponderada
de las medidas de mejora de imagen normalizadas entre
cero y uno. La nueva medida se valida considerando la
hipótesis de que los valores que maximizan la función de
puntuación tienen como máximo los valores de las métricas
(coeficiente de Dice) utilizados para evaluar cierto enfoque
de segmentación de imágenes cardíacas reportado
previamente. Los valores de la función de puntuación y el
coeficiente de Dice alcanzaron el valor máximo para los
mismos volúmenes cardíacos segmentados
Extracción de conocimiento para la predicción y análisis de los resultados de la prueba de calidad de la educación superior en Colombia
No full textSe presentan y analizan los resultados de la prueba de la calidad de la educación superior en Colombia – Saber Pro. Se usó la metodología de extracción de conocimiento en bases de datos KDD sobre la cual se construyó una base de datos del desempeño académico del estudiante en áreas asociadas con los contenidos de la prueba Saber Pro, y se utilizó redes neuronales como técnica para la minería de datos. Las redes neuronales permitieron la predicción de los resultados de la prueba Saber Pro con alta exactitud tanto en rangos cualitativos como cuantitativos. Además, se comprobó una correlación entre el desempeño académico y los resultados de Saber Pro. Los hallazgos sugieren que la metodología usada es una excelente guía para el descubrimiento de patrones ocultos en los datos, y permite establecer estrategias de mejora de los resultados de las pruebas Saber Pro que involucren el desempeño académico del estudiante.In this paper, the prediction and results analysis of the quality test of higher education in Colombia - Saber Pro is performed. The knowledge extraction in databases methodology KDD was used, on which a database of the student's academic performance was built in areas associated with the contents of the Saber Pro test, and neural networks were used as a technique for data mining. The neural networks allowed the prediction of the results of the Saber Pro test with high exactness in both qualitative and quantitative ranges. A correlation between academic performance and Saber Pro results was also found. The findings suggest that the methodology used is an excellent guide for the discovery of hidden patterns in the data, and allows to establish strategies to improve the results of the Saber Pro tests that involve the student's academic performance
Negligencia como principal error médico por parte del equipo quirúrgico: conciencia quirúrgica y praxis
No full textDetermine the factors influencing the negligence associated with mistakes in the patient in the
different institutions providers of health care. Methodology: For bibliographic documents locating several
sources and documentary were used. Bibliographic search was conducted in February 2019 in EBSCO,
Pubmed, using descriptors; scientific writing, review of database of the library of the University, critical reading.
Obtained records ranged between 85 and 16 registers after the combination of the different key words. The
articles were sought between the years 2003 to 2019. There was also a search on the internet in the 'Academic
Google' search engine with the same terms. We selected those documents which inform about the negligence,
errors, surgical awareness. Conclusion: Within the literature reviewed could be observed that there are different
factors that can reach in the surgical equipment surgical negligence. Yet this may be one the causes of that
patient can be affected physically and psychologically they may even die.Determinar los factores que influyen en la negligencia que se asocian a cometer errores en la atención
al paciente en las diferentes Instituciones Prestadoras de Salud. Metodología: Para la localización de los
documentos bibliográficos se utilizaron varias fuentes y documentales. Se realizó búsqueda bibliográfica en
febrero 2019 en Ebsco, Pubmed, utilizando los descriptores; escritura científica, revisión de base de datos de la
biblioteca de la universidad, lectura crítica. Los registros obtenidos oscilaron entre 85 y 16 registros tras la
combinación de las diferentes palabras claves. Los artículos se buscaron entre los años 2003 a 2019. Se realizó
una búsqueda en internet en el buscador ‘Google académico’ con los mismos términos. Se seleccionaron
aquellos documentos que informaran sobre la negligencia, errores, conciencia quirúrgica. Conclusión: Dentro
de la literatura revisada se pudo observar que hay diferentes factores que pueden llegar a una negligencia
quirúrgica en el equipo quirúrgico. Pese a ello esta puede ser una las causas de que el paciente puede quedar
afectado físicamente como psicológicamente incluso pueden llegar a morir
Sport as an intervention of the social network for peace: state of the art
No full textEste artículo describe las tendencias del fortalecimiento del
tejido social para la paz por medio del deporte, en el ámbito
latinoamericano y europeo. Se parte del paradigma cualitativo
con enfoque en la investigación documental o bibliográfica,
apoyado en el método hermenéutico y respaldado por el
analítico-sintético. Para el desarrollo del texto se recopiló y
sistematizó la información encontrada en artículos científicos
de revistas indexadas en Redalyc, Scielo, Dialnet, Proquest,
Ebsco Host y Publindex. Los hallazgos indican que existen
programas de intervención que son importantes y efectivos
para la construcción de paz en el deporte, con un componente
educativo y formador para la cultura de paz, donde
se debe tener en cuenta unas características específicas del
contexto y de la población. Se han encontrado programas de
ámbito nacional e internacional en deportes como el fútbol,
baloncesto, natación, y Ultimate Frisbee con propuestas que
traspasan el componente cultural y que han tenido un efecto
replica importante en la sociedad y en el mundo.This article describes the tendencies of strengthening the
social network for peace through sport, in Latin America
and Europe. It is based on the qualitative paradigm with a
focus on documentary or bibliographic research, supported
by the hermeneutic method and backed up by the analyticalsynthetic.
For the development of the text, the information
found in scientific articles of journals indexed in Redalyc, Scielo,
Dialnet, Proquest, Ebsco Host and Publindex was compiled,
organized, systematized and analyzed. The findings
revealed that there are intervention programs that are important
and effective for the construction of peace in sport, as
long as they have an educational and formative component
for the culture of peace, where specific characteristics of the
context and population must be taken into account. National
and international programs have been found in sports such
as football, basketball, swimming, and Ultimate Frisbee with
proposals that go beyond the cultural component and have
had an important replica effect in society and in the world
Intervention guidelines: resilience and entrepreneurship in microempresaries of the health tourism sector. A psychological innovation
No full textObjetivo: Analizar la relación entre la resiliencia y el emprendimiento
del sector turismo en salud de la ciudad de Cúcuta–Colombia. Método: cuantitativo no experimental de tipo transversal con un alcance correlacional-descriptivo. Resultados: la puntuación alta de los microempresarios
frente a la dos variables establecidas (resiliencia y emprendimiento)
mediante los instrumentos de escala de habilidad emprendedora (EHE)1 y la adaptación a población colombiana del inventario de factores de resiliencia ante la adversidad (IFRA)2. Como resultado no se encontró correlación entre las
dos variables, obteniendose un coeficiente de correlación de 0,032 y una significancia de 0,787. Conclusión: un emprendedor no necesariamente puede ser
resiliente para generar y mantener una buena idea de negocio.
Se hacen lineamientos de intervención con los ejes temáticos de resiliencia y emprendimiento.Objective: To analyze the relationship between resilience and entrepreneurship in the health tourism sector of the city of Cúcuta–Colombia. Method: quantitative non-experimental transversal type with a correlational-descriptive scope. Results: the high score of micro-entrepreneurs against the two established variables (resilience and entrepreneurship) through the tools of entrepreneurial skill scale (EHE) and the adaptation to the Colombian population of the inventory of
resilience factors against adversity (IFRA). As a result, no correlation was found between the two variables, obtaining a correlation coefficient of 0.032 and a significance of 0.787. Conclusion: an entrepreneur cannot necessarily be resilient
to generate and maintain a good business idea. Intervention guidelines are made with the thematic axes of resilience and entrepreneurship
Magnetic resonance assessment of glioblastoma
No full textEl glioblastoma es el tumor cerebral primario maligno más común, su incidencia continúa aumentando en los adultos mayores debido a que este grupo está creciendo más rápido que cualquier otro segmento de la población. La imagenología por resonancia magnética se ha convertido en una herramienta esencial para la adquisición de imágenes en tiempo real del cerebro y por lo tanto para la valoración y la estadificación de los tumores cerebrales. La evaluación no invasiva, basada en imágenes por resonancia magnética, de la malignidad del tumor y el estado molecular ofrece la oportunidad de poder predecir el pronóstico y seleccionar pacientes que puedan ser candidatos para terapias individualizadas dirigidas, lo que proporciona herramientas más sensibles para el seguimiento del cáncer.The most common malignant primary brain tumor is the glioblastoma; its incidence is increasing in older adults faster than any other population segment. Magnetic resonance
imaging has become an essential tool for the acquisition of real-time brain images and therefore, for the assessment of the staging of brain tumors. Noninvasive evaluation based on
magnetic resonance imaging of tumor malignancy and molecular status offers the opportunity to predict prognosis and furthermore it allows us to select patients who may be candidates
for targeted individualized therapies, which provides more sensitive tools for cancer follow-up
Aromatherapy as an alternative of improvement in the quality of life of patients with breast cancer
No full textWe sought to identify the effects of the use of aromatherapy in patients with breast cancer.
The Colombian validation questionnaire of the FACT-B scale was carried out to measure
the quality of life of 35 patients with breast cancer of the Fundación Mujeres Por Tus
Senos. Emotional state the item "I feel sad" in the pre-therapy survey 62% answered a little,
in the post-therapy survey 75% answered the option nothing. General physical state of
health, in the item in the item "I feel sick" in the pre-therapy survey 50% answered the
option nothing, a remaining answered a little and in the post-therapy survey 63% answered
the option nothing. Family and social environment in the item "I am satisfied with the way
my family communicates" in the pre-therapy survey 50% answered the option very much,
in the post-therapy survey 75% answered the option very much. Personal functioning
capacity, in the item "I am satisfied with my current quality of life" in the pre-therapy
survey 38% answered the option very much, in the post-therapy survey 38% responded to
the option very much
Algebraic and qualitative remarks about the family yy′ = (αxm+k–1 + βxm–k–1)y + γx2m–2k–1
No full textThe aim of this paper is the analysis, from algebraic point of view and singularities studies, of the 5-parametric family of differential equations
yy′=(αxm+k−1+βxm−k−1)y+γx2m−2k−1,y′=dydx
where a, b, c ∈ ℂ, m, k ∈ ℤ and
α=a(2m+k)β=b(2m−k),γ=−(a2mx4k+cx2k+b2m).
This family is very important because include Van Der Pol equation. Moreover, this family seems to appear as exercise in the celebrated book of Polyanin and Zaitsev. Unfortunately, the exercise presented a typo which does not allow to solve correctly it. We present the corrected exercise, which corresponds to the title of this paper. We solve the exercise and afterwards we make algebraic and of singularities studies to this family of differential equations