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• On Accessibility Policies for Higher Education Institutions

  Giorgio Brajnik, Sanela Graca · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  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 their own. The authors argue…

  web accessibility · higher education · accessibility policy · WCAG · organizational accessibility

• Web Accessibility Evaluation in a Crowdsourcing-Based System with Expertise-Based Decision Strategy

  Shuyi Song, Jiajun Bu, Ye Wang, Zhi Yu, Andreas Artmeier, Lianjun Dai, Can Wang · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  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 checkpoints cannot be evaluated…

  web accessibility · crowdsourcing · accessibility evaluation · WCAG · automated testing

• Automatic Role Detection of Visual Elements of Web Pages for Automatic Accessibility Evaluation

  Carlos Duarte, Ana Salvado, M. Elgin Akpinar, Yeliz Yeşilada, Luís Carriço · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This short paper presents an approach to automatically detect the visual roles of web page elements — specifically menus and lists — to enable automated accessibility evaluation tools to assess WCAG techniques that require understanding an element’s semantic role, not just its…

  automated testing · web accessibility · WCAG · web page segmentation · navigation

• Using Ontologies as a Foundation for Web Accessibility Tools

  Jens Pelzetter · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This extended abstract proposes using formal ontologies — machine-readable knowledge representations using languages like OWL (Web Ontology Language) — as the foundation for web accessibility tools, addressing two major problems: supporting developers in creating accessible…

  web accessibility · ontologies · WCAG · knowledge representation · automated testing

• Semantic Content Analysis Supporting Web Accessibility Evaluation

  Carlos Duarte, Inês Matos, Luís Carriço · 2018 · Proceedings of the 15th International Web for All Conference (W4A)

  This paper addresses a fundamental limitation of automated web accessibility evaluation tools: their inability to assess whether text alternatives actually describe the content they refer to. While tools can detect the presence of an alt attribute on an image, they cannot judge…

  automated testing · alternative text · semantic analysis · machine learning · image recognition

• Reliability Aware Web Accessibility Experience Metric

  Shuyi Song, Jiajun Bu, Chengchao Shen, Andreas Artmeier, Zhi Yu, Qin Zhou · 2018 · Proceedings of the 15th International Web for All Conference (W4A)

  This paper introduces RA-WAEM (Reliability Aware Web Accessibility Experience Metric), a novel approach to measuring website accessibility that incorporates actual user experience from people with disabilities while accounting for the varying reliability of different evaluators.…

  accessibility metrics · user experience · accessibility evaluation · machine learning · web accessibility

• "I knew that, I was just testing you": Understanding Older Adults' Impression Management Tactics During Usability Studies

  Rachel L. Franz, Ron Baecker, Khai N. Truong · 2018 · ACM Transactions on Accessible Computing

  This paper investigates how older adults (65+) engage in impression management (IM) during usability studies—conscious or unconscious behaviors to present themselves favorably to researchers. While IM is known to affect research validity, its specific manifestations in…

  older adults · aging · usability testing · research methodology · user research

7 results.