Publication: Desarrollo de un sistema multimodal para la planificación de viajes
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2013-02
Defense date
2013-03-04
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Abstract
El objetivo principal de este trabajo de fin de grado es el desarrollo de una aplicación
cuya interfaz de usuario es multimodal. Una interfaz multimodal permite al usuario interaccionar
con una aplicación o sistema utilizando diferentes modalidades para proveer las entradas y/o
conocer las salidas generadas por la aplicación. Su objetivo fundamental es hacer más natural y
completa la interacción hombre - máquina. En el caso de la aplicación desarrollada para este
trabajo de fín de grado los modos de acceso seleccionados son el visual y el oral.
Con respecto al modo de acceso visual, la aplicación cuenta con una página web que es
accesible desde cualquier navegador mediante los interfaces tradicionales (teclado, ratón y
pantalla). Con respecto al modo de acceso oral, la aplicación cuenta con un sistema de diálogo a
modo de portal de voz de forma que toda la información disponible en la web sea accesible
oralmente.
Con la combinación de ambas modalidades de interacción con la aplicación, se consigue
una mejor accesibilidad y usabilidad para el usuario contribuyendo a eliminar barreras de acceso,
aumentando el número de entornos en los que la aplicación es accesible y posibilitando el acceso
a personas con discapacidades motoras o visuales.
Como aplicación práctica de esta tecnología, se ha desarrollado un planificador de viajes,
en el cual, a partir del destino que indique el usuario, puede consultarse cómo llegar, los medios
de transporte disponibles, alojamiento, atracciones turísticas, así como información
meteorológica. Los contenidos que facilita la aplicación se almacenan íntegramente una base de
datos y se actualizan dinámicamente de forma que la información ofrecida sea actual y verídica.
Para el desarrollo de la aplicación se han utilizado diversas tecnologías con el objetivo de
hacerla dinámica y flexible y proporcionar la mayor accesibilidad a la información. Así pues, se
han utilizado diferentes lenguajes de programación (SQL, PHP, HTML, VoiceXML), bases de
datos (MySQL), servidores web y plataformas IVR (Voxeo Evolution).
El proyecto se complementa con una evaluación de la aplicación por parte de un grupo de
usuarios y un estudio estadístico sobre la efectividad de su uso.
The main objective of this Bachelor’s project is the development of a multimodal interface application. A multimodal interface provides the user with multiple input and output modes of interacting with a system or application. Its aim is to make human – computer interaction more natural and complete. In the developed application for this Bachelor project the chosen input and output modes are visual and oral. Regarding the visual input, the application provides the user with a web page which can be accesed in any browser and by conventional interfaces (keyboard, mouse and screen). Regarding the voice input, the application provides the user with oral interaction so that the information presented on the web page is also accessible by spoken dialog. In that way, the application is more accessible and usable and this contributes to the attempt of removing access barriers increasing the number of computing environments in which the application can be accesed. Using this technology, the aim of this Bachelor project is to develop a travel scheduler in which once the user has specified the city he or she wants to travel to, he or she can check how to arrive there, transports available, accommodation facilities and tourist attractions. Moreover, it is also possible to check the current weather of the desired city. All the information provided by the application is stored in a data base that is dynamically updated so that the information is up to date and truthful. In order to develop the application, diverse technologies have been used so that the application is dynamic, flexible and accesible. Different programming languages as SQL, PHP, HTML, and VoiceXML have been used, as well as data bases (MySQL), web servers and IVR platforms (Voxeo Evolution). The project also provides with an evaluation of the developed application by a group of users as well as a stadistic study about its efectivity.
The main objective of this Bachelor’s project is the development of a multimodal interface application. A multimodal interface provides the user with multiple input and output modes of interacting with a system or application. Its aim is to make human – computer interaction more natural and complete. In the developed application for this Bachelor project the chosen input and output modes are visual and oral. Regarding the visual input, the application provides the user with a web page which can be accesed in any browser and by conventional interfaces (keyboard, mouse and screen). Regarding the voice input, the application provides the user with oral interaction so that the information presented on the web page is also accessible by spoken dialog. In that way, the application is more accessible and usable and this contributes to the attempt of removing access barriers increasing the number of computing environments in which the application can be accesed. Using this technology, the aim of this Bachelor project is to develop a travel scheduler in which once the user has specified the city he or she wants to travel to, he or she can check how to arrive there, transports available, accommodation facilities and tourist attractions. Moreover, it is also possible to check the current weather of the desired city. All the information provided by the application is stored in a data base that is dynamically updated so that the information is up to date and truthful. In order to develop the application, diverse technologies have been used so that the application is dynamic, flexible and accesible. Different programming languages as SQL, PHP, HTML, and VoiceXML have been used, as well as data bases (MySQL), web servers and IVR platforms (Voxeo Evolution). The project also provides with an evaluation of the developed application by a group of users as well as a stadistic study about its efectivity.
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Keywords
Interfaces de usuario, Desarrollo de software, Aplicaciones web, Interfaces multimodales