Modelling languages quality evaluation by taxonomic analysis: a preliminary proposal

El paradigma de la ingeniería dirigida por modelos (MDE por sus siglas en inglés) promueve el uso de modelos conceptuales en procesos de ingeniería e investigación sobre sistemas de información. Como productos de ingeniería los modelos conceptuales deben tener calidad, la cual aplica tanto a los modelos conceptuales como los lenguajes de modelado empleados para construir dichos modelos. Debido a los múltiples retos, divergencias y tendencias para evaluación y aseguramiento de la calidad en contextos MDE, una forma para ejecutar un proceso de evaluación de la calidad es usar una técnica donde la aplicabilidad y metas de los artefactos de modelado puedan ser contrastadas con los principios esenciales del desarrollo de sistemas de información. Este trabajo formula un conjunto de requisitos conceptuales y metodológicos para un marco de evaluación de la calidad de lenguajes de modelado con el potencial de abordar algunos de los retos abiertos de calidad en MDE. Para este propósito, se propone usar principios del popular marco de trabajo Zachman para sistemas de información, como una herramienta taxonómica aplicada sobre artefactos de modelado usados en un desarrollo de un sistema de información, en aras de ejecutar procedimientos analíticos sobre modelos alineados con una arquitectura de referencia para sistemas de información, y con razonamientos ontológicos. En este trabajo se expone cómo el marco Zachman soporta análisis sobre modelos para propósitos de calidad por su administración nativa de la semántica.The Model-Driven Engineering (mde) paradigm promotes the usage of conceptual models in information systems (is) engineering and research. As engineering products, conceptual models must have quality, which applies on both conceptual models and modeling language employed to build them. This paper presents a modeling language quality evaluation framework. This framework uses the principles from the popular Zachman framework for information systems as a taxonomic tool applied over modeling rtifacts used in an information system development. The purpose of this taxonomic tool is to perform analytic procedures that are aligned with an is reference architecture and ontological reasoning. Throughout this work, we describe how the Zachman framework supports analytics over modeling languages for quality purposes by its native management of semantics

Teaching Software Engineering from a Collaborative Perspective: Some Latin-American Experiences

Teaching software engineering has been recognized as an important challenge for computer science undergraduate programs. Instruction in such area requires not only to deliver theoretical knowledge, but also to perform practical experiences that allow students to assimilate and apply such knowledge. This paper presents some results of two Computer-Supported Collaborative Learning (CSCL) experiences that involved students of software engineering courses from four Latin American Universities. The obtained results were satisfactory and indicate the reported collaborative activity could be appropriate to address teaching software engineering.Teaching software engineering has been recognized as an important challenge for computer science undergraduate programs. Instruction in such area requires not only to deliver theoretical knowledge, but also to perform practical experiences that allow students to assimilate and apply such knowledge. This paper presents some results of two Computer-Supported Collaborative Learning (CSCL) experiences that involved students of software engineering courses from four Latin American Universities. The obtained results were satisfactory and indicate the reported collaborative activity could be appropriate to address teaching software engineering

Experimental indications regarding the use of traditional software requirements elicitation techniques in distributed development environments.

El proceso de desarrollo de software tiende, cada vez con un énfasis más marcado, a ser distribuido o global, donde los participantes se encuentran dispersos geográficamente. Este escenario obliga a prestar atención a tres aspectos identificados como distancia física, distancia temporal y distancia cultural. Es aceptable sostener que estas nuevas características de alguna manera impactarán en el proceso de software, especialmente en aquellas etapas en donde hay exigencias de mayor comunicación y colaboración entre losmiembros del equipo. Se presenta en este trabajo un experimento controlado llevado a cabo en ámbitos universitarios con el cual se intenta adquirir un mejorconocimiento de la etapa de elicitación distribuida de requisitos de software, a la vez que se analiza la utilización de escenarios universitarios para llevar a cabo estas validaciones.The software development process tends, with increasing emphasis marked, to be distributed or global, where the participants are geographically dispersed. This scenario forces attention to three aspects identified as physical distance, temporal distance and distance cultural. It is acceptable to argue that these new features somehow way will impact the software process, especially in those stages where there are demands for greater communication and collaboration between team members. A controlled experiment is presented in this work carried out in university environments with which an attempt is made to acquire a better knowledge of the stage of distributed elicitation of software requirements, to while analyzing the use of university scenarios to carry out perform these validations

Indicios experimentales respecto del uso técnicas tradicionales de elicitación de requisitos de software en ambientes de desarrollo distribuidos

El proceso de desarrollo de software tiende, cada vez con un énfasis más marcado, a ser distribuido o global, donde los participantes se encuentran dispersos geográficamente. Este escenario obliga a prestar atención a tres aspectos identificados como distancia física, distancia temporal y distancia cultural. Es aceptable sostener que estas nuevas características de alguna manera impactarán en el proceso de software, especialmente en aquellas etapas en donde hay exigencias de mayor comunicación y colaboración entre losmiembros del equipo. Se presenta en este trabajo un experimento controlado llevado a cabo en ámbitos universitarios con el cual se intenta adquirir un mejorconocimiento de la etapa de elicitación distribuida de requisitos de software, a la vez que se analiza la utilización de escenarios universitarios para llevar a cabo estas validaciones

Interactions as the Basis of Collaboration Dynamics in Teaching Usability

Este artículo presenta el resultado de una experiencia en la cual, mediante la aplicación de un modelo instruccional colaborativo, para la enseñanza de las técnicas más comunes de evaluación de la usabilidad de interfaces de usuario, se valida el papel que desempeñan las interacciones entre estudiantes en las actividades colaborativas. Las interacciones y la aplicación del modelo facilitaron el trabajo colaborativo, entre diversas instituciones educativas, geográficamente dispersas, como un medio para transmitir conocimiento específico a estudiantes de nivel universitario. Además del modelo instruccional colaborativo aplicado, el artículo presenta resultados obtenidos en el uso experimental del modelo propuesto.Este artículo presenta el resultado de una experiencia en la cual, mediante la aplicación de un modelo instruccional colaborativo, para la enseñanza de las técnicas más comunes de evaluación de la usabilidad de interfaces de usuario, se valida el papel que desempeñan las interacciones entre estudiantes en las actividades colaborativas. Las interacciones y la aplicación del modelo facilitaron el trabajo colaborativo, entre diversas instituciones educativas, geográficamente dispersas, como un medio para transmitir conocimiento específico a estudiantes de nivel universitario. Además del modelo instruccional colaborativo aplicado, el artículo presenta resultados obtenidos en el uso experimental del modelo propuesto

A Latin American proposal for collaboration in the teaching of software usability

Este artículo propone un modelo instruccional colaborativo, para la enseñanza de las técnicas más comunes de evaluación de la usabilidad de interfaces de usuario. El modelo facilitó el trabajo colaborativo entre diversas universidades latinoamericanas, geográficamente dispersas, como un medio para transmitir conocimiento específico a estudiantes de pregrado en Ingeniería Informática y Ciencias de la Computación. Además del modelo instruccional colaborativo propuesto, el artículo presenta resultados experimentales obtenidos de su aplicación.This paper proposes a collaborative instructional model for teaching most common approaches for evaluating the usability of user interfaces. This model have facilitated the collaborative work between several Latin American universities, geographically dispersed, as a mechanism to deliver specific knowledge to undergraduate students of Computer Science and Computer Engineering. In addition to the proposed collaborative instructional model, our paper presents results of tests were we have applied this collaborative model

Una propuesta latinoamericana de colaboración en la enseñanza de la usabilidad del software

Este artículo propone un modelo instruccional colaborativo, para la enseñanza de las técnicas más comunes de evaluación de la usabilidad de interfaces de usuario. El modelo facilitó el trabajo colaborativo entre diversas universidades latinoamericanas, geográficamente dispersas, como un medio para transmitir conocimiento específico a estudiantes de pregrado en Ingeniería Informática y Ciencias de la Computación. Además del modelo instruccional colaborativo propuesto, el artículo presenta resultados experimentales obtenidos de su aplicación

Considerations about quality in model-driven engineering

The final publication is available at Springer via http://dx.doi.org/10.1007/s11219-016-9350-6The virtue of quality is not itself a subject; it depends on a subject. In the software engineering field, quality means good software products that meet customer expectations, constraints, and requirements. Despite the numerous approaches, methods, descriptive models, and tools, that have been developed, a level of consensus has been reached by software practitioners. However, in the model-driven engineering (MDE) field, which has emerged from software engineering paradigms, quality continues to be a great challenge since the subject is not fully defined. The use of models alone is not enough to manage all of the quality issues at the modeling language level. In this work, we present the current state and some relevant considerations regarding quality in MDE, by identifying current categories in quality conception and by highlighting quality issues in real applications of the model-driven initiatives. We identified 16 categories in the definition of quality in MDE. From this identification, by applying an adaptive sampling approach, we discovered the five most influential authors for the works that propose definitions of quality. These include (in order): the OMG standards (e.g., MDA, UML, MOF, OCL, SysML), the ISO standards for software quality models (e.g., 9126 and 25,000), Krogstie, Lindland, and Moody. We also discovered families of works about quality, i.e., works that belong to the same author or topic. Seventy-three works were found with evidence of the mismatch between the academic/research field of quality evaluation of modeling languages and actual MDE practice in industry. We demonstrate that this field does not currently solve quality issues reported in industrial scenarios. The evidence of the mismatch was grouped in eight categories, four for academic/research evidence and four for industrial reports. These categories were detected based on the scope proposed in each one of the academic/research works and from the questions and issues raised by real practitioners. We then proposed a scenario to illustrate quality issues in a real information system project in which multiple modeling languages were used. For the evaluation of the quality of this MDE scenario, we chose one of the most cited and influential quality frameworks; it was detected from the information obtained in the identification of the categories about quality definition for MDE. We demonstrated that the selected framework falls short in addressing the quality issues. Finally, based on the findings, we derive eight challenges for quality evaluation in MDE projects that current quality initiatives do not address sufficiently.F.G, would like to thank COLCIENCIAS (Colombia) for funding this work through the Colciencias Grant call 512-2010. This work has been supported by the Gene-ralitat Valenciana Project IDEO (PROMETEOII/2014/039), the European Commission FP7 Project CaaS (611351), and ERDF structural funds.Giraldo-Velásquez, FD.; España Cubillo, S.; Pastor López, O.; Giraldo, WJ. (2016). Considerations about quality in model-driven engineering. Software Quality Journal. 1-66. https://doi.org/10.1007/s11219-016-9350-6S166(1985). Iso information processing—documentation symbols and conventions for data, program and system flowcharts, program network charts and system resources charts. ISO 5807:1985(E) (pp. 1–25).(2011). Iso/iec/ieee systems and software engineering – architecture description. 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