Publication: Desarrollo de una herramienta de edición gráfica accesible para el diseño de bases de datos
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2013-10
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2013-10-31
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Abstract
La falta de accesibilidad en el software provoca que no haya herramientas de autor disponibles para estudiantes y profesionales con discapacidad. Con el objetivo de mejorar esta situación surge este proyecto, cuyo objetivo principal es el desarrollo siguiendo un enfoque metodológico de una herramienta accesible de edición gráfica para elaborar diagramas según Modelo Entidad/Interrelación como soporte al Diseño de Bases de Datos. Dicha herramienta se ha denominado erEasy.
Por un lado, está el desarrollo de un sistema que permita la elaboración de diagramas siguiendo y respetando las restricciones impuestas por el Modelo Entidad/Interrelación. En la actualidad, las herramientas disponibles para este fin son escasas, y las existentes no tienen un potencial adecuado, o incluso, no siguen de manera precisa la notación y elementos gráficos para los constructores del Modelo Entidad/Interrelación. Por ello, el software asociado a este proyecto resulta una aportación a considerar en su campo.
Por otra parte, hasta hoy, la elaboración de diagramas Entidad/Interrelación por parte de usuarios con discapacidad no era posible, dado que no existen herramientas que aseguren su acceso y faciliten su uso. Dado este problema, se han tenido en cuenta los requisitos de accesibilidad necesarios. La propuesta de integración de los requisitos de accesibilidad se ha tomado del proyecto [Visús. R., 2013] hecho en cooperación.
Con el fin de diseñar una herramienta lo más universal posible, y evitar que la aplicación accesible sea poco usable para los usuarios sin discapacidad, en este proyecto se ha seguido un diseño que proporcione una interfaz general que cubra las características de acceso y uso del mayor número de usuarios posible, comprendiendo usuarios sin discapacidad y, usuarios con discapacidad no muy severa. Para los usuarios con discapacidad con limitaciones muy acusadas, se han diseñado e implementado unos módulos específicos para la accesibilidad que se proporcionan en [Visús. R., 2013].
The lack of accessibility resulting in no authoring tools for students and professionals with disabilities. In order to improve this situation arises this project, whose main objective is to develop a methodological approach following graphical editing tool available to draw diagrams of the Model Entity / Interaction in designing databases. On the one hand, the development of a system for diagramming the Entity / Interplay to make a conceptual design of a database, following and respecting those imposed by this model. At present, the available tools for this purpose are scarce, and existing without a proper potential, or even not precisely follow the notation and graphic elements for builders or model design primitive. Therefore, the software associated with this project is a contribution to consider in your field. Moreover, to date, the Entity charting / interrelationship by users with disabilities was not possible, since there are no tools that ensure access and facilitate their use. Given this problem, we have taken into account accessibility requirements needed. The proposed integration of the accessibility requirements of the project has been taken [Visús. R., 2013] made in cooperation with the project herein is presented. To attempt a universal tool as possible and ensure that the application is not usable accessible to users without disabilities , this project has followed a design that provides a general interface that covers product features of access and use of more users possible , understanding non-disabled users and users with disabilities are not severe . For users with disabilities with very marked limitations, we have designed and implemented a specific module for accessibility provided in [Visús.R., 2013]
The lack of accessibility resulting in no authoring tools for students and professionals with disabilities. In order to improve this situation arises this project, whose main objective is to develop a methodological approach following graphical editing tool available to draw diagrams of the Model Entity / Interaction in designing databases. On the one hand, the development of a system for diagramming the Entity / Interplay to make a conceptual design of a database, following and respecting those imposed by this model. At present, the available tools for this purpose are scarce, and existing without a proper potential, or even not precisely follow the notation and graphic elements for builders or model design primitive. Therefore, the software associated with this project is a contribution to consider in your field. Moreover, to date, the Entity charting / interrelationship by users with disabilities was not possible, since there are no tools that ensure access and facilitate their use. Given this problem, we have taken into account accessibility requirements needed. The proposed integration of the accessibility requirements of the project has been taken [Visús. R., 2013] made in cooperation with the project herein is presented. To attempt a universal tool as possible and ensure that the application is not usable accessible to users without disabilities , this project has followed a design that provides a general interface that covers product features of access and use of more users possible , understanding non-disabled users and users with disabilities are not severe . For users with disabilities with very marked limitations, we have designed and implemented a specific module for accessibility provided in [Visús.R., 2013]
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Keywords
Accesibilidad, Aplicaciones de escritorio, Bases de datos, Desarrollo de software