The design of RIA accessibility evaluation tool

Doush, Iyad Abu; Alkhateeb, Faisal; Maghayreh, Eslam Al; Al-Betar, Mohammed Azmi

doi:10.1016/j.advengsoft.2012.11.004

Cited by 30 publications

(21 citation statements)

References 19 publications

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“…Una parte decisiva de identificar que el contenido Web sea accesible es haciendo una revisión del trabajo, que se puede hacer de forma manual, por medio de la verificación del funcionamiento de un sitio Web mediante intervención de un experto (Abu, Alkhateeb, Al & Al-Betar, 2013), o automática, realizada a través una aplicación informática que analiza el código de una página Web y devuelve un listado de fallos encontrados.…”

Section: Herramientas De Evaluación De Accesibilidadunclassified

“…En la Internet se pueden encontrar numerosas herramientas que permiten hacer una evaluación automática de accesibilidad a un sitio Web (Sosa, Gaetán y Martin, 2015), como por ejemplo, TAW, Wave, Examinator, entre otras; estas herramientas hacen una evaluación rápida y sistemática generando un resultado inicial de accesibilidad, que, de acuerdo con Sosa, et al, (2015), no proporciona un análisis definitivo y fiable, razón por la cual debe ser complementada con una revisión manual, además de la evaluación del código HTML, CSS y XHTML, que evita muchos errores relacionados con la accesibilidad en cuanto a la distinguibilidad, adaptabilidad, legibilidad y navegación; en palabras de Abu et al, (2013) estas herramientas, entre otras tecnologías como HTML Dinámico (DHTML) y XML (Ajax), son usadas para proporcionar una presentación dinámica e interactiva de los contenidos Web.…”

Section: Herramientas De Evaluación De Accesibilidadunclassified

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Metodología para valorar y clasificar herramientas de evaluación de accesibilidad web

Zambrano

Pico

Cagua

2017

e-Ciencias de la Información

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Teniendo en cuenta que la accesibilidad Web es el arte de garantizar que los portales Web puedan ser visitados y utilizados de forma satisfactoria por el mayor número posible de personas, es imprescindible evaluar los contenidos Web empleando las herramientas adecuadas, por tal razón, este trabajo de investigación tiene como objetivo presentar un modelo metodológico para valorar estas herramientas automáticas, y seleccionar entre las existes, las que mayor número de criterios (contemplados en la WCAG 2.0) pueda evaluar. El modelo propuesto comprende una metodología cíclica y se la denomina IPAC por las siglas en inglés de sus 4 etapas (Inspect-Plan-Assess-Categorize), las mismas que pretenden categorizar y/o recategorizar las herramientas de evaluación de accesibilidad Web, cuyas funciones incorporadas son cambiantes en el tiempo. La validación realizada en julio de 2017 de este modelo dio como resultado la categorización de las 5 mejores herramientas de licencia libre por cada nivel de conformidad (A, AA y AAA).

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Section: Herramientas De Evaluación De Accesibilidadunclassified

Metodología para valorar y clasificar herramientas de evaluación de accesibilidad web

Zambrano

Pico

Cagua

2017

e-Ciencias de la Información

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“…WAI-ARIA (Web Accessibility Initiative -Accessible Rick Internet Applications) seeks to rectify this problem by providing semantic markup for each page element. Once WAI-ARIA becomes more widely adopted, products like Compliance Sheriff would need to be updated to automatically assess RIA accessibility (Abu Doush et al, 2013). Of course, even WAI-ARIA is not a panacea, and it involves a significant learning curve for some users.…”

Section: Further Considerationsmentioning

confidence: 99%

Assessing the accuracy of vendor-supplied accessibility documentation

DeLancey

2015

Library Hi Tech

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Structured Abstract:Purpose: In an effort to ensure vendor compliance with Section 508, some libraries have begun requesting Voluntary Product Accessibility Templates (VPATs) or other documentation of accessibility compliance. The purpose of this paper is to assess the accuracy of vendor-supplied compliance documentation, and to identify common accessibility issues highlighted by the VPATs. A detailed discussion of vendor responses to each Section 508 checkpoint is provided in the Appendix. Design/methodology/approach: Researchers compared 17 VPATs with the results of an automated accessibility scan to identify inconsistencies and common problems. Findings: Vendors reported being fully compliant with 64% of the applicable VPAT items, and partially compliant with a further 24%. However, in 16 of 17 cases, there were discrepancies between the information on the VPAT and the results of the scan. Of the total 189 VPAT checkpoints we scanned, 19.6% had errors (meaning the information on the VPAT was inaccurate 19.6% of the time). Research limitations: Several VPAT checkpoints could not be automatically verified by the scan. Instead they require manual/visual verification, which we did not do. Because we only scanned three pages of each resource, we were not able to check all content. Practical implications: Vendor-supplied accessibility documentation should not be taken at face value, but requires verification and follow up to ensure its accuracy. This study also identified some of the most common accessibility issues, which will help both librarians and vendors improve their products and services. Originality/value: Other studies have analyzed the accessibility of library resources and specifically vendor databases, but none have assessed the accuracy of vendor-supplied Section 508 compliance documentation.Keywords: VPAT, Voluntary Product Accessibility Template, Section 508, Accessibility, Libraries Introduction:

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“…The click events are supposed to trigger DOM structure changes which can be later analysed for WCAG 2.0 conformance. Doush et al presented a RIA accessibility evaluation framework composed of the following components [2]:…”

Section: Related Workmentioning

confidence: 99%

“…The tool's automatic Drop-down menu identification approach is based on simulating user interaction scenarios, mutation observers 2 and visibility changes in the browser interface. The tool presented in this paper partially implements the Web robot and elements classifier components of the conceptual framework for automatic evaluation of accessibility in RIA proposed in [2]. This paper is structured as follows: Section 2 presents the related work; Section 3 describes the automatic Drop-down menu identification approach; Section 4 presents the implementation of the tool and its evaluation; Section 5 presents a discussion about the results; and Section 6 presents final remarks and future work.…”

Section: Introductionmentioning

confidence: 99%

Automatic identification of drop-down menu widgets using mutation observers and visibility changes

Watanabe

Fortes

2016

Proceedings of the 31st Annual ACM Symposium on Applied Computing

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Drop-down Menus are JavaScript/CSS based Widget implementations which frequently represent the main navigation mechanism of a web application. These Widgets are used to display sub-level navigation links which are presented only as users position the mouse over the Widget. However many of the Widgets available on the Web do not implement Accessible Rich Internet Applications (ARIA) requirements which address how to make these Widgets accessible. This paper presents an automatic approach for identifying these Drop-down Menu Widgets in web applications. The automatic identification of these Widgets works towards the implementation of ARIA automatic evaluation tools to assist web developers while developing accessible Widgets. The proposed approach was implemented in a tool called ariacheck-menus which is open-source available. The tool was evaluated through a case study and the results showed evidences that the proposed approach is capable of automatically identifying Drop-down Menu Widgets in web applications, having correctly identified 146 Drop-down Menus Widgets in high traffic websites with 0.77 precision and 0.90 recall in average. Henceforth, the tool could be used in an automatic ARIA evaluation tool to support web developers in the implementation of accessible Drop-down menu Widgets.

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The design of RIA accessibility evaluation tool

Cited by 30 publications

References 19 publications

Metodología para valorar y clasificar herramientas de evaluación de accesibilidad web

Metodología para valorar y clasificar herramientas de evaluación de accesibilidad web

Assessing the accuracy of vendor-supplied accessibility documentation

Automatic identification of drop-down menu widgets using mutation observers and visibility changes

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