Reviews

Search results

• About the relevance of accessibility barriers in the everyday interactions of older people with the web

  Sergio Sayago, Josep Blat · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper reports findings from a remarkable 3-year ethnographic study (2005-2008) of 388 older people (aged 65-80) using web and computer technologies in their daily lives at the Àgora adult centre in Barcelona. Unlike most accessibility research that relies on lab-based…

  aging · ethnography · web accessibility · cognitive accessibility · mouse interaction

• User requirement analysis for a railway ticketing portal with emphasis on semantic accessibility for older users

  Michael Leitner, Özge Subasi, Norman Höller, Arjan Geven, Manfred Tscheligi · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper investigates the user requirements of older adults using an online railway ticketing portal operated by a nationwide Austrian railway company. The researchers employed a mixed-methods approach combining a large-scale online questionnaire (1,200 valid responses),…

  older adults · semantic accessibility · user requirements · universal accessibility · e-commerce accessibility

• Transition of Accessibility Evaluation Tools to New Standards

  Amaia Aizpurua, Myriam Arrue, Markel Vigo, Julio Abascal · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper addresses a practical challenge that faced the web accessibility community following the release of WCAG 2.0 in December 2008: how to update the large ecosystem of existing automated evaluation tools that were built around WCAG 1.0. The authors present EvalAccess, a…

  automated testing · web accessibility · WCAG transition · evaluation tools · accessibility guidelines

• Quantitative Evaluation for Web Accessibility with Respect to Disabled Groups

  Pornpat Sirithumgul, Atiwong Suchato, Proadpran Punyabukkana · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper proposes a methodology for evaluating web accessibility that goes beyond standard WCAG conformance levels to assess suitability for specific disability groups, particularly vision-impaired and hearing-impaired users. The authors argue that WCAG conformance levels (A,…

  accessibility metrics · web accessibility · barrier walkthrough · quantitative evaluation · visual impairment

• Web-based Chinese sign language broadcasting system

  Dengfeng Yao, Yunfeng Qiu, Harry Huang · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibililty (W4A)

  This paper presents a web-based Chinese Sign Language (CSL) Broadcasting System that automatically translates text on web pages into animated 3D sign language gestures displayed through a browser plugin. The system addresses an often-overlooked accessibility barrier: while web…

  sign language · deaf accessibility · sign language synthesis · 3D animation · Chinese Sign Language

• Accessibility Perspectives on Enabling South African Sign Language in the South African National Accessibility Portal

  Louis Coetzee, Guillaume Olivrin, Ilse Viviers · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper investigates the feasibility and effectiveness of embedding animated South African Sign Language (SASL) content into the South African National Accessibility Portal (NAP), a government-backed information sharing platform for the disability sector. The authors from the…

  sign language · deaf accessibility · web accessibility · localization · South Africa

• Combining SADIe and AxsJAX to Improve the Accessibility of Web Content

  Darren Lunn, Simon Harper, Sean Bechhofer · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper from the University of Manchester presents a prototype system that combines two accessibility approaches — SADIe and Google's AxsJAX framework — to improve web content access for visually impaired screen reader users. SADIe (Semantic Annotation for Document Interfaces…

  screen readers · web accessibility · transcoding · ARIA · CSS

• Evaluating Existing Audio CAPTCHAs and an Interface Optimized for Non-Visual Use

  Jeffrey P. Bigham, Anna C. Cavender · 2009 · Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (CHI 2009)

  This paper presents the first large-scale evaluation of audio CAPTCHAs — the purportedly accessible alternative to visual CAPTCHAs — revealing that they are dramatically more difficult for both blind and sighted users. The study gathered 10 types of audio CAPTCHAs from major…

  blind and low vision · web accessibility · screen readers · CAPTCHA · authentication

• Mining Web Interactions to Automatically Create Mash-Ups

  Jeffrey P. Bigham, Ryan S. Kaminsky, Jeffrey Nichols · 2009 · Proceedings of the 22nd Annual ACM Symposium on User Interface Software and Technology (UIST 2009)

  This paper introduces TX2, a Firefox browser extension that automatically creates meta-search mash-ups by mining the web interactions of multiple users to discover relationships between query forms on different websites. The deep web — information accessible only through web…

  web accessibility · web development · information retrieval · end-user programming · personalization

• Trailblazer: Enabling Blind Users to Blaze Trails Through the Web

  Jeffrey P. Bigham, Tessa Lau, Jeffrey Nichols · 2009 · IUI '09: Proceedings of the 14th International Conference on Intelligent User Interfaces

  This paper introduces TrailBlazer, a system designed to help blind web users complete tasks more efficiently by providing step-by-step guidance through web pages. The core problem it addresses is that blind users relying on screen readers must often perform time-consuming linear…

  screen readers · blind users · web accessibility · non-visual interfaces · programming by demonstration

• Validity and Reliability of Web Accessibility Guidelines

  Giorgio Brajnik · 2009 · Proceedings of the 11th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '09)

  This paper presents an experiment measuring the validity and reliability of WCAG 1.0 and WCAG 2.0 checkpoints when applied by human evaluators. The study recruited 35 young web developers with some accessibility knowledge from a university course and asked them to evaluate two…

  accessibility evaluation · WCAG · conformance testing · inter-rater reliability · web accessibility

• Collaborative Web Accessibility Improvement: Challenges and Possibilities

  Hironobu Takagi, Shinya Kawanaka, Masatomo Kobayashi, Daisuke Sato, Chieko Asakawa · 2009 · Proceedings of the 11th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '09)

  This paper reports on the Social Accessibility Project, an experimental service developed by IBM Research in Tokyo that uses collaborative metadata authoring to improve web accessibility. The system works through a three-part architecture: end users (primarily screen reader…

  web accessibility · collaborative accessibility · crowdsourcing · metadata · screen readers

• How Much Does Expertise Matter? A Barrier Walkthrough Study with Experts and Non-Experts

  Yeliz Yesilada, Giorgio Brajnik, Simon Harper · 2009 · Proceedings of the 11th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '09)

  This paper investigates whether expertise matters in manual web accessibility evaluation by comparing results from 19 expert and 51 non-expert judges using the Barrier Walkthrough (BW) method. The BW method is an analytical technique based on heuristic walkthrough where…

  web accessibility · accessibility evaluation · barrier walkthrough · WCAG · evaluator effect

• Enriching Web Information Scent for Blind Users

  Markel Vigo, Barbara Leporini, Fabio Paternò · 2009 · Proceedings of the 11th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '09)

  This paper investigates whether annotating web links with accessibility scores of their target pages can improve navigation efficiency for blind screen reader users. The core idea draws on information foraging theory: just as sighted users follow visual cues ("information…

  web accessibility · blind users · screen readers · information scent · information foraging

• Including Accessibility Within and Beyond Undergraduate Computing Courses

  Annalu Waller, Vicki L. Hanson, David Sloan · 2009 · Proceedings of the 11th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '09)

  This paper describes the University of Dundee's approach to integrating accessibility and inclusive design throughout its entire four-year undergraduate computing curriculum, rather than treating accessibility as a standalone topic or elective module. The School of Computing at…

  accessibility education · inclusive design · higher education · curriculum design · web accessibility

• Accessibility Commons: A Metadata Repository for Web Accessibility

  Shinya Kawanaka, Masatomo Kobayashi, Hironobu Takagi, Chieko Asakawa · 2009 · ACM SIGWEB Newsletter, Summer 2009

  This short SIGWEB Newsletter article proposes Accessibility Commons (AC), a shared federated repository for externally authored web-accessibility metadata. The authors argue that accessibility cannot scale as long as fixes depend on the original site owner inlining alt text,…

  web accessibility · metadata · semantic transcoding · social accessibility · crowdsourcing

16 results.