Luis Carlos Correa Ortiz, F. Ingeniería, Margarita María Vallejo Jiménez, John Jairo Martínez Puerta, Juan Alejandro Trujillo Posada, Sena Tecnoacademia Risaralda, Centro Atención Sector Agropecuario
{"title":"Herramienta de robótica educativa basada en Lego Mindstorms y VEX Robotics mediante software 3D y diseño mecatrónico","authors":"Luis Carlos Correa Ortiz, F. Ingeniería, Margarita María Vallejo Jiménez, John Jairo Martínez Puerta, Juan Alejandro Trujillo Posada, Sena Tecnoacademia Risaralda, Centro Atención Sector Agropecuario","doi":"10.17013/risti.34.1-19","DOIUrl":"https://doi.org/10.17013/risti.34.1-19","url":null,"abstract":"Robotics encourages acquiring many technical skills in areas such as electronics, computer science, mechanics and also soft skills as teamwork, problem solving and critical thinking. Most of the curricula of elementary, middle and higher education institutions in Colombia that incorporate educational robots do not consider the context or the end user of the robot, including the two institutions involved in this study: Tecnoacademia Sena Risaralda and University of Manizales. In this work, design, implementation and testing of a 3D software tool is described.","PeriodicalId":279766,"journal":{"name":"RISTI - Revista Ibérica de Sistemas e Tecnologias de Informação","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130115257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Orlando Ortiz-Gutierrez, Tecnológico Nacional de México, Cenidet, René Santaolaya-Salgado, Olivia Graciela Fragoso Diaz, Juan Carlos Rojas-Pérez
{"title":"Métricas para la Medición del Factor de Flexibilidad y el Factor de Herencia de Implementación de Sistemas de Software","authors":"Orlando Ortiz-Gutierrez, Tecnológico Nacional de México, Cenidet, René Santaolaya-Salgado, Olivia Graciela Fragoso Diaz, Juan Carlos Rojas-Pérez","doi":"10.17013/risti.34.97-111","DOIUrl":"https://doi.org/10.17013/risti.34.97-111","url":null,"abstract":"espanolActualmente la medicion de la calidad del diseno arquitectural de software es un topico importante para los ingenieros de software. Sin embargo, algunas metricas de calidad aun no estan definidas, como lo son las metricas para medir el factor de flexibilidad y de herencia de implementacion de una arquitectura de clases, enfocadas en metodos abstractos. En este trabajo de investigacion se propone un conjunto de cinco metricas de calidad, tres de ellas son para medir el factor de herencia de implementacion, las cuales son: Factor de Herencia de Implementacion (FHI), Factor de Herencia de Implementacion por Jerarquia de Clases (FHIJ) y Factor Herencia de Implementacion de una Arquitectura de Clases (FHIAC); las dos restantes son para medir el factor de flexibilidad, estas son: Factor de Flexibilidad de Clase (FFC) y Factor Medio de Flexibilidad de Clases(FMFC). EnglishCurrently measuring the quality of architectural software design is an important topic for software engineers. However, some quality metrics are not yet defined such as the metrics for measuring the flexibility and implementation inheritance factor for a class architecture focused on abstract methods. In this research, a set of five quality metrics is proposed; three of them are to measure the inheritance implementation factor, which are: Implementation Inheritance Factor (FHI), Implementation Inheritance Factor by Class Hierarchy (FHIJ) and Implementation Inheritance Factor of a Class Architecture (FHIAC); the remaining two are to measure the flexibility factor, these are: Class Flexibility Factor (FFC) and Average Class Flexibility Factor (FMFC).","PeriodicalId":279766,"journal":{"name":"RISTI - Revista Ibérica de Sistemas e Tecnologias de Informação","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123803824","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Eliane Almeida do Carmo, Carolina Lopes de Araújo, G. Abbad, P. P. O. Menezes
{"title":"O que se diz sobre os MOOCs? A produção científica brasileira sobre os Massive Open On-line Courses nos últimos 10 anos","authors":"Eliane Almeida do Carmo, Carolina Lopes de Araújo, G. Abbad, P. P. O. Menezes","doi":"10.17013/risti.33.1-15","DOIUrl":"https://doi.org/10.17013/risti.33.1-15","url":null,"abstract":"EnglishThe improvement in Internet access and wider access to information and communication technology (ICTs) created favorable context for Massive Open Online Courses (MOOCs). MOOCs are considered an accessible and inexpensive education tool able which contributes to democratization of educational processes through computer-mediated learning process. This work draws a panorama of the of Brazilian scientific production on the subject by presenting a bibliometric study joint to a systematic literature review of the studies published in Brazilian journals in the last 10 years. The analyzes revealed that there are few studies on MOOCs in Brazil and that the researchers do not publish frequently about this subject. There are few Brazilian research groups on MOOCs, but that interinstitutional partnerships are common. Finally, the Brazilian research on MOOCs is recent, lacks consolidation but demands new studies about MOOCs. portuguesO incremento do acesso a internet e a ampliacao do acesso a tecnologia de informacao e comunicacao (TICs) ajudaram a criar um contexto propicio ao desenvolvimento de Massive Open On-line Courses (MOOCs). Os MOOCs, constituem uma ferramenta acessivel de educacao mediada por computadores que favorece a democratizacao e a ampliacao do alcance do ensino a distância. Este estudo visou desenhar um panorama das producoes cientificas brasileiras sobre MOOCs nos ultimos 10 anos. Apoiada em um levantamento bibliometrico seguido de revisao sistematica da literatura, as analises revelaram pequena producao sobre MOOCs no Brasil e que os pesquisadores nao sao autores assiduos na tematica. Foi observado que sao poucos os grupos de pesquisas brasileiros sobre o tema, mas sao comuns parcerias interinstitucionais nesses estudos. Observou-se que a investigacao brasileira sobre MOOCs e recente, pouco consolidada, mas apresenta demanda por novas pesquisas.","PeriodicalId":279766,"journal":{"name":"RISTI - Revista Ibérica de Sistemas e Tecnologias de Informação","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114886641","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Luis Manuel Soto-Ardila, Lina Viviana Melo Niño, Ana Caballero, R. Luengo
{"title":"Estudio de las opiniones de los futuros maestros sobre el uso de los videojuegos como recurso didáctico a través de un análisis cualitativo","authors":"Luis Manuel Soto-Ardila, Lina Viviana Melo Niño, Ana Caballero, R. Luengo","doi":"10.17013/risti.33.48-63","DOIUrl":"https://doi.org/10.17013/risti.33.48-63","url":null,"abstract":"espanolEl presente articulo pretende analizar las opiniones que los estudiantes del Grado de Educacion Primaria tienen con respecto a la utilizacion de los videojuegos como recurso didactico. Para ello se desarrolla una investigacion descriptiva mediante un analisis cualitativo de los textos obtenidos a traves de un foro utilizando, para ello, el Software webQDA. La muestra empleada para este estudio es de 52 alumnos. El objetivo es conocer si los estudiantes se encuentran a favor o en contra del uso de los videojuegos en un ambito educativo y cuales son los motivos que les llevan a decantarse por una u otra opinion. Se concluye que la mayoria del alumnado esta a favor de los videojuegos por su caracter motivador y ludico por desarrollar el pensamiento logico, critico y la resolucion de problemas.. EnglishThis article aims to analyze the opinions that the students of the Primary Education Degree have regarding the use of video games as a teaching resource. For this, a descriptive investigation is developed through a qualitative analysis of the texts obtained through a forum using, for this, the webQDA Software. The sample used for this study is 52 students. The objective is to know if the students are in favor or against the use of videogames in an educational environment and which are the reasons that lead them to opt for one or the other opinion. It is concluded that the majority of students are in favor of videogames because of their motivating and playful nature for developing logical, critical thinking and problem solving.","PeriodicalId":279766,"journal":{"name":"RISTI - Revista Ibérica de Sistemas e Tecnologias de Informação","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128442221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
R. Acosta, Claudio Meneses Villegas, Brian Keith Norambuena
{"title":"Heurísticas para Data Augmentation en NLP: Aplicación a Revisiones de Artículos Científicos","authors":"R. Acosta, Claudio Meneses Villegas, Brian Keith Norambuena","doi":"10.17013/risti.34.44-53","DOIUrl":"https://doi.org/10.17013/risti.34.44-53","url":null,"abstract":"espanolLas tecnicas de data augmentation son esenciales para entrenar algoritmos de machine learning, donde el conjunto de datos inicial es mas pequeno que lo requerido debido a la complejidad del modelo. En modelos de aprendizaje automatico, la robustez del proceso de entrenamiento depende altamente de grandes volumenes de datos etiquetados, los cuales son costosos de producir. Un enfoque eficaz para tratar con este problema es generar automaticamente nuevos ejemplos etiquetados usando tecnicas de data augmentation. En el procesamiento del lenguaje natural, en particular en el idioma espanol, hay una falta de tecnicas bien definidas que permitan incrementar un conjunto de datos. En este articulo, se proponen un conjunto de heuristicas para data augmentation en NLP, las cuales son aplicadas en el dominio de las revisiones de articulos cientificos. EnglishData augmentation techniques are essential for training machine learning algorithms, where the initial data set is smaller than required due to the model complexity. In machine learning models, the robustness of the training process is highly dependent on large volumes of labeled data, which are expensive to produce. An effective approach to deal with this problem is to automatically generate new tagged examples using data augmentation techniques. In the processing of natural language, particularly in the Spanish language, there is a lack of well-defined techniques that allow increasing a set of data. In this article, we propose a set of heuristics for data augmentation in NLP, which are applied to the domain of reviews of scientific articles.","PeriodicalId":279766,"journal":{"name":"RISTI - Revista Ibérica de Sistemas e Tecnologias de Informação","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126197447","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Alexandre Meneses Chagas, R. Linhares, Marlton Fontes Mota
{"title":"A curadoria de conteúdo digital enquanto proposta metodológica e multirreferencial","authors":"Alexandre Meneses Chagas, R. Linhares, Marlton Fontes Mota","doi":"10.17013/risti.33.32-47","DOIUrl":"https://doi.org/10.17013/risti.33.32-47","url":null,"abstract":"This qualitative research adopts the multi-referential approach proposed by Ardoino (1990; 1993; 1998), with a plural and heterogeneous look about the researched objects. For this, digital content curation was used in education as a teaching practice. The digital content curating was used as a way to authorize students to become protagonists in the learning process. With the objective of suggesting multi-referential methodological devices for the identification of the information literacy of students, Tiradentes University Social Communication course, of Marketing I in 2017/1. For this, it was necessary to make use of some devices as: a descriptive activity for problem solving; a questionnaire to identify the profile of informational skills; a workshop and the initial practice of content","PeriodicalId":279766,"journal":{"name":"RISTI - Revista Ibérica de Sistemas e Tecnologias de Informação","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115946869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. V. Martín-García, M. C. Sánchez-Gómez, B. G. Pérez
{"title":"Ejemplificación de metodología mixta para el análisis del uso de entornos blended learning en docentes universitarios","authors":"A. V. Martín-García, M. C. Sánchez-Gómez, B. G. Pérez","doi":"10.17013/risti.33.16-31","DOIUrl":"https://doi.org/10.17013/risti.33.16-31","url":null,"abstract":"espanolEl objetivo de este trabajo es averiguar a partir de las experiencias y percepciones de profesores universitarios, las principales expectativas, actitudes, demandas, ventajas y desventajas de la aceptacion -y adopcion- de las metodologias de Blended Learning (BL) en la ensenanza superior. El trabajo empirico se realizo siguiendo un diseno metodologico mixto de tipo derivativo secuencial de equivalencia de status. La informacion cuantitativa fue recogida con un cuestionario, elaborado ad hoc, al que contestaron 980 profesores universitarios; de estos, 86 manifestaron de forma abierta su opinion sobre estas metodologias. Para integrar los resultados de los analisis CUANT-CUAL se realizo un analisis DAFO en el que se ponen de manifiesto, a juicio de los docentes participantes en el estudio, las debilidades, amenazas, fortalezas y oportunidades de la ensenanza B-learning, a nivel interno y externo de las instituciones universitarias EnglishThe objective of this work is to find out, through the experiences and perceptions of university teachers, what the main expectations, attitudes, demands, advantages and disadvantages of the acceptance -and adoption- of Blended Learning (BL) methodologies are in higher education. The empirical work was carried out following a mixed methodological design of sequential derivative type of status equivalence. The quantitative information was collected with an ad hoc questionnaire to which 980 university teachers replied; of these, 86 openly expressed their opinion about these methodologies. In order to integrate the results of the QUANT-QUAL analysis, a SWOT analysis was carried out in which university teachers expressed the weaknesses, threats, strengths and opportunities of Blended Learning at universities - at both an internal and external level.","PeriodicalId":279766,"journal":{"name":"RISTI - Revista Ibérica de Sistemas e Tecnologias de Informação","volume":"227 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113998575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
C. Vázquez-Rodríguez, Tecnológico Nacional de México, Cenidet, Raúl Pinto-Elías
{"title":"La Semántica de las Imágenes y el Análisis de su Contenido","authors":"C. Vázquez-Rodríguez, Tecnológico Nacional de México, Cenidet, Raúl Pinto-Elías","doi":"10.17013/risti.34.20-28","DOIUrl":"https://doi.org/10.17013/risti.34.20-28","url":null,"abstract":"the images transmit information in different ways, the description can be referring to the shape of objects, colors, textures; however, they can also convey concepts, which will be formed by the set of objects present in an image. In this work, an image description approach is presented from the semantic perspective and is evaluated through a lexical-syntactic analysis to verify that the descriptions given are part of the defined language, so a syntactic verification module is used which turned out to be very useful since the input data will not always belong to the work set, although it is an adaptable model and with growth possibilities, it is necessary to define the data to work; Therefore, the syntactic verification avoids “noise” to the model to ensure that the classes that enter are a valid class and a refinement of the descriptions can be made.","PeriodicalId":279766,"journal":{"name":"RISTI - Revista Ibérica de Sistemas e Tecnologias de Informação","volume":"215 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133482187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ana Isabel Oviedo Carrascal, David Sanguino Cotte, Natalia Andrea Salinas Arango, A. Vélez
{"title":"Descubrimiento de Conocimiento en Historias Clínicas mediante Minería de Texto","authors":"Ana Isabel Oviedo Carrascal, David Sanguino Cotte, Natalia Andrea Salinas Arango, A. Vélez","doi":"10.17013/risti.34.29-43","DOIUrl":"https://doi.org/10.17013/risti.34.29-43","url":null,"abstract":"The clinical institutions generate a large amount of unstructured data both in the registration of procedures in free text by medical staff, and by the images and videos generated by diagnostic aids. This paper proposes a process of knowledge discovery in the unstructured text of the medical records of the trauma area of the San Vicente Foundation Hospital through text mining. Text preparation techniques were applied such as elimination of non-relevant words, substitution of terms, elimination of accents and derivation of words. Regarding mining processes, supervised and unsupervised learning techniques were applied such as decision trees, logistic regression, nearest k-neighbors, hierarchical clustering and association rules. The result obtained is the conformation of a model of the most relevant words in the clinical records of the Hospital in the area of traumatology.","PeriodicalId":279766,"journal":{"name":"RISTI - Revista Ibérica de Sistemas e Tecnologias de Informação","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121212128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Configuración de un Control de Temperatura en un Sistema Embebido de Bajo Costo, usando Herramientas de Inteligencia Artificial y el Internet de las Cosas","authors":"C. Torres, Jhon Fredy Valencia Gómez","doi":"10.17013/risti.34.68-84","DOIUrl":"https://doi.org/10.17013/risti.34.68-84","url":null,"abstract":"The purpose of this paper is to implement an online fuzzy controller using an internet of things (IoT) platform to obtain a data set, that is processed using neural networks in order to build a model that permits to identify the dynamics of a thermal system. The parameters of a neural controller are calculated based on the estimated model of the plant. These parameters are transmitted to a System on a Chip (SoC) in order to configure an automatic offline control system.","PeriodicalId":279766,"journal":{"name":"RISTI - Revista Ibérica de Sistemas e Tecnologias de Informação","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122821899","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}