175 research outputs found

    La sobrepoblación de internos a raíz de la prisión preventiva, establecimiento penitenciario Lurigancho, 2022

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    El propósito de esta investigación fue demostrar de qué manera se establece una conexión entre la excesiva sobrepoblación de internos a raíz de la prisión preventiva en el establecimiento penitenciario Lurigancho en el año 2022, utilizando un método de trabajo básico, con un enfoque de aspecto cualitativo, no experimental, y que mantuviera un nivel explicativo - descriptivo, se usó el método inductivo, además se realizaron encuestas y otros documentos como instrumentos; al momento de realizar el procesamiento de la información obtenido gracias a los diferentes participantes, quienes con sus conocimientos ayudar a lograr el objetivo, teniendo en total siete participantes, todos abogados con tiempo de experiencia, entre los cuales cinco de ellos actualmente realizan función jurisdiccional (jueces) y los otros dos participantes actúan en la defensa técnica (abogados defensores públicos y abogados litigantes). Los resultados obtenidos han sido que, en el año 2022, se utilizó de manera desmedida la prisión preventiva, coadyuvando a que el penal más grande del país, establecimiento penitenciario Lurigancho, presenta un exceso de población carcelaria, además de que con frecuencia las decisiones de prisión preventiva se tomaron sin una justificación adecuada

    Evaluation of user response by using visual cues designed to direct the viewer's attention to the main scene in an immersive environment

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    Today the visualization of 360-degree videos has become a means to live immersive experiences.. However, an important challenge to overcome is how to guide the viewers attention to the video main scene, without interrupting the immersion experience and the narrative thread. To meet this challenge, we have developed a software prototype to assess three approaches: Arrows, Radar and Auto Focus. These are based on visual guidance cues used in first person shooter games such as: Radar-Sonar, Radar-Compass and Arrows. In the study a questionnaire was made to evaluate the comprehension of the narrative, the user's perspective with respect to the design of the visual cues and the usability of the system. In addition, data was collected on the movement of the user's head, in order to analyze the focus of attention. The study used statistical methods to perform the analysis, the results show that the participants who used some visual cue (any of these) showed significant improvements compared to the control group (without using visual cues) in finding the main scene. With respect to narrative compression, significant improvements were obtained in the user group that used Radar and Auto Focus compared to the control group

    Gestión óptima de los mecanismos de mercado para mejorar la competencia de las empresas de generación eléctrica en el Perú - 2019

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    Luego de más de 25 años del inicio de la reforma del sector eléctrico con el nuevo marco regulatorio y del proceso de promoción de la inversión privada, se han alcanzado logros importantes tanto en el incremento de cobertura (de 56% en 1993 a 73% en el 2001), capacidad de generación (que actualmente supera en un 50% a la demanda) y disminución de pérdidas de energía en distribución (de 22% a un 10%), por lo que el proceso puede ser calificado de exitoso, considerando sobre todo la situación inicial donde existía riesgo de racionamiento de energía y un alto grado de ineficiencia. Sin embargo, en los últimos años el marco regulatorio implementado ha mostrado ciertos límites para responder adecuadamente frente a una serie de procesos por los que atraviesa actualmente el sector. En particular, se ha iniciado una serie de preocupaciones sobre el nivel de competencia en el mercado libre, los mecanismos para el crecimiento de la oferta de transmisión, las implicancias de los procesos de integración vertical y horizontal, y el nivel de competencia en la generación de energía

    Second order convex maximum entropy approximants with applications to high order PDE

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    We present a new approach for second order maximum entropy (max-ent) meshfree approximants that produces positive and smooth basis functions of uniform aspect ratio even for non-uniform node sets, and prescribes robustly feasible constraints for the entropy maximization program defining the approximants. We examine the performance of the proposed approximation scheme in the numerical solution by a direct Galerkin method of a number of partial differential equations (PDEs), including structural vibrations, elliptic second order PDEs, and fourth order PDEs for Kirchhoff-Love thin shells and for a phase field model describing the mechanics of biomembranes. The examples highlight the ability of the method to deal with non-uniform node distributions, and the high accuracy of the solutions. Surprisingly, the first order meshfree max-ent approximants with large supports are competitive when compared to the proposed second order approach in all the tested examples, even in the higher order PDEs.Peer ReviewedPostprint (author's final draft

    EL SOFTWARE LIBRE EN EL APRENDIZAJE AUTÓNOMO DE LA CONTABILIDAD DE LOS ESTUDIANTES DE LA UNIDAD EDUCATIVA FISCOMISIONAL SANTA MAGDALENA

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    La elaboración de este trabajo de investigación está basada en la implementación de un software libre o código abierto que facilite el aprendizaje autónomo de la asignatura de Contabilidad en estudiantes de la Unidad Fiscomisional Santa Magdalena de la ciudad de Portoviejo, que es una institución donde la enseñanza de la contabilidad es fundamental y parte de su identidad académica.  En este contexto, el uso de la tecnología como herramienta de desarrollo autónomo de los estudiantes es aplicado a la implementación de un Software Libre, que se convierta en parte del desarrollo cognitivo del estudiante que facilitará el proceso de enseñanza y aprendizaje además de coadyuvar a la práctica de valores y actitudes positivas en los alumnos. El software libre es considerado como una herramienta técnica de fácil manejo tanto para el alumnado como para los docentes, tiene su influencia principalmente en la enseñanza de Contabilidad, aunque se puede utilizar en otras asignaturas, haciendo de la transversalidad una constante, en las prácticas educativas de la institución.  En el constructivismo donde el aprendizaje significativo y autorregulado tiene su enfoque, el Software Libre facilitará que los estudiantes tengan en sus manos herramientas contables útiles, de vanguardia y con un sinnúmero de posibilidades que permitan trabajar correctamente, a tiempo, de manera práctica y fácil en pro del desarrollo cognitivo y el aprendizaje autónomo. PALABRAS CLAVE: software; aprendizaje; Contabilidad. THE FREE SOFTWARE IN THE AUTONOMOUS LEARNING OF THE ACCOUNTING OF STUDENTS OF THE SANTA MAGDALENA FISCOMISIONAL EDUCATIONAL UNIT ABSTRACT The elaboration of this research work is based on the implementation of a free software or open source software that facilitates the autonomous learning of the accounting subject in students of the Santa Magdalena Educational Unit of the city of Portoviejo, which is an institution where the teaching of accounting is fundamental and part of its identity. In this context, the use of technology as a tool for students' autonomous development is applied to the implementation of a Free Software, which becomes part of the student's cognitive development that will facilitate the teaching and learning process as well as contributing to the practice of values ​​and positive attitudes in students. This technical tool is easy to use for both students and teachers, it has its influence mainly in the teaching of Accounting, although it can be used in other subjects, making transversality a constant in the educational practices of the institution. In constructivism where meaningful and self-regulated learning has its focus, Free Software will facilitate that students have in their hands useful accounting tools, avant-garde and with countless possibilities that allow them to work correctly, on time, in a practical and easy way in pro cognitive development and autonomous learning. KEYWORDS: software; learning; Accounting

    First GIS analysis of modern stone tools used by wild chimpanzees (Pan troglodytes verus) in Bossou, Guinea, West Africa

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    Stone tool use by wild chimpanzees of West Africa offers a unique opportunity to explore the evolutionary roots of technology during human evolution. However, detailed analyses of chimpanzee stone artifacts are still lacking, thus precluding a comparison with the earliest archaeological record. This paper presents the first systematic study of stone tools used by wild chimpanzees to crack open nuts in Bossou (Guinea-Conakry), and applies pioneering analytical techniques to such artifacts. Automatic morphometric GIS classification enabled to create maps of use wear over the stone tools (anvils, hammers, and hammers/anvils), which were blind tested with GIS spatial analysis of damage patterns identified visually. Our analysis shows that chimpanzee stone tool use wear can be systematized and specific damage patterns discerned, allowing to discriminate between active and passive pounders in lithic assemblages. In summary, our results demonstrate the heuristic potential of combined suites of GIS techniques for the analysis of battered artifacts, and have enabled creating a referential framework of analysis in which wild chimpanzee battered tools can for the first time be directly compared to the early archaeological record.Leverhulme Trust [IN-052]; MEXT [20002001, 24000001]; JSPS-U04-PWS; FCT-Portugal [SFRH/BD/36169/2007]; Wenner-Gren Foundation for Anthropological Researc

    Factores de riesgo para el consumo de alcohol en adolescentes estudiantes

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    As legislações dos países não aceitam o consumo de álcool em adolescentes, mas se observa seu aumento. Objetivo: Identificar o efeito dos fatores pessoais no consumo de álcool em adolescentes que estudam. Métodos: Estudo correlacional em adolescentes que estudam, com amostragem aleatória realizando a seleção de uma n= 894, a aplicação de três instrumentos. Resultados: O consumo de álcool alguma vez na vida foi de 65%. Encontram-se efeitos dos fatores de risco; sexo e idade sobre o consumo de álcool (c2=31.23; p=.001; R2= 27%). Conclusões: Os fatores de risco aumentam o consumo de álcool em adolescentesCountries’ regulations do not accept alcohol consumption in adolescents, but it has been increasing. Objective: To identify the effect of personal factors in alcohol consumption in studying adolescents Methods: this is a correlational design in studying adolescents with random sampling, if there is n= 894 three instruments is apply. Results: At least once in life alcohol consumption was 65%. Effects of risk factors: gender and age on alcohol consumption are (c2=31.23; p=.001; R2= 27%). Final remarks: Risk factors step up alcohol consumption in adolescentsLas legislaciones de los países no aceptan el consumo de alcohol en adolescentes, pero se observa incremento en ellos. Objetivo: Identificar el efecto de los factores personales en el consumo de alcohol en adolescentes que estudian. Metodos: diseño correlacional en adolescentes que estudian, con muestreo aleatorio se selecciona una n= 894, se aplican tres instrumentos. Resultados: El consumo de alcohol alguna vez en la vida fue del 65%. Se encuentran efectos de los factores de riesgo; sexo y edad sobre el consumo de alcohol (c2=31.23; p=.001; R2= 27%). Conclusiones: Los factores de riesgo incrementan el consumo de alcohol en adolescente

    Automatic Discrimination of Species within the Enterobacter cloacae Complex Using Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry and Supervised Algorithms

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    The Enterobacter cloacae complex (ECC) encompasses heterogeneous clusters of species that have been associated with nosocomial outbreaks. These species may have different acquired antimicrobial resistance and virulence mechanisms, and their identification is challenging. This study aims to develop predictive models based on matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) profiles and machine learning for species-level identification. A total of 219 ECC and 118 Klebsiella aerogenes clinical isolates from three hospitals were included. The capability of the proposed method to differentiate the most common ECC species (Enterobacter asburiae, Enterobacter kobei, Enterobacter hormaechei, Enterobacter roggenkampii, Enterobacter ludwigii, and Enterobacter bugandensis) and K. aerogenes was demonstrated by applying unsupervised hierarchical clustering with principal-component analysis (PCA) preprocessing. We observed a distinctive clustering of E. hormaechei and K. aerogenes and a clear trend for the rest of the ECC species to be differentiated over the development data set. Thus, we developed supervised, nonlinear predictive models (support vector machine with radial basis function and random forest). The external validation of these models with protein spectra from two participating hospitals yielded 100% correct species-level assignment for E. asburiae, E. kobei, and E. roggenkampii and between 91.2% and 98.0% for the remaining ECC species; with data analyzed in the three participating centers, the accuracy was close to 100%. Similar results were obtained with the Mass Spectrometric Identification (MSI) database developed recently (https://msi.happy-dev.fr) except in the case of E. hormaechei, which was more accurately identified with the random forest algorithm. In short, MALDI-TOF MS combined with machine learning was demonstrated to be a rapid and accurate method for the differentiation of ECC species
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