Literature Reviews
Reviewed research papers, articles, and publications relevant to digital accessibility.
95 results found tagged accessibility evaluation.
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Web Accessibility Evaluation in a Crowdsourcing-Based System with Expertise-Based Decision Strategy
This short paper presents a crowdsourcing-based web accessibility evaluation system that addresses the scalability bottleneck in manual accessibility evaluation: expert evaluators are scarce (training takes years) and expensive, yet many WCAG checkpo…
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On Accessibility Policies for Higher Education Institutions
This short paper analyses the web accessibility policies of twenty universities across Europe, the USA, Canada, and Australia to identify what constitutes an effective accessibility policy and provide guidance for institutions creating or revising th…
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Combining Semantic Tools for Automatic Evaluation of Alternative Texts
This paper presents SCREW v2, an updated algorithm for automatically assessing the quality of alternative texts for images on web pages from an accessibility perspective. The work is motivated by the EU Directive 2016/2102, which requires monitoring …
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Automatic Identification of Widgets and their Subcomponents Based on a Classification Pipeline for DOM Mutation Records
This paper presents a machine learning pipeline for automatically classifying web widgets (specifically dropdown menus) and their subcomponents by analyzing DOM mutation records — the dynamic changes that occur in a web page's HTML structure when use…
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An Easy to Use Data Logger for Local User Studies
This demonstration paper introduces User Test Logger, an open-source Firefox browser add-on designed to capture detailed user interaction data during local usability and accessibility studies. The authors identify a gap in available tooling: existing…
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A declarative model for accessibility requirements
This paper addresses a fundamental problem in automated accessibility testing: different tools produce inconsistent results because they each implement their own interpretation of WCAG guidelines in code, and the guidelines themselves contain ambigui…
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Web Accessibility Testing for Singapore Government e-Services
This paper from Singapore's Government Technology Agency presents a customized automated accessibility testing tool designed specifically for government e-service developers. The authors identified two core problems: Singapore's low accessibility mat…
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The Transparency of Automatic Accessibility Evaluation Tools
This paper examines a critical but often overlooked problem in automated accessibility testing: the lack of transparency in how evaluation tools operate and present their results. The authors observe that different accessibility evaluation tools freq…
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Optimising the Website Accessibility Conformance Evaluation Methodology
This paper critically examines the Website Accessibility Conformance Evaluation Methodology (WCAG-EM), the W3C's standard five-step process for evaluating website conformance to WCAG. The authors identify several methodological weaknesses in WCAG-EM …
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Towards Optimised Population Sourcing for Web Accessibility Evaluation
This doctoral consortium extended abstract presents a PhD project proposing a novel framework and prototypical tool for optimising web accessibility evaluation through statistically representative page sampling. The work is the single-author companio…