Reviews

Search results

• User Capability in an Adaptive World

  Robert Dodd, Steve Green, Elaine Pearson · 2009 · MSIADU '09: Proceedings of the 1st ACM SIGMM International Workshop on Media Studies and Implementations that Help Improving Access to Disabled Users

  This paper presents a fundamental rethinking of how user profiles should be constructed for adaptive and accessible computing. Published at MSIADU '09 (co-located with ACM Multimedia), it critiques the dominant Access For All standard (ISO/IEC 24751) for conflating user…

  user profiling · capability modeling · adaptive interfaces · user modeling · accessibility standards

• 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

• A framework for filtering web accessibility guidelines

  Rehema Baguma, Roger G. Stone, Jude T. Lugega, Th. P. van der Weide · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper presents a framework for organizing and filtering web accessibility guidelines such as WCAG according to four contexts of use, addressing the widely acknowledged problem that WCAG guidelines are difficult for their target audience to navigate and apply. The framework…

  accessibility guidelines · WCAG usability · context of use · guideline filtering · developer tools

• Hera-FFX: a Firefox add-on for semi-automatic web accessibility evaluation

  José L. Fuertes, Ricardo González, Emmanuelle Gutiérrez, Loïc Martínez · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper presents Hera-FFX, a Firefox browser add-on for semi-automatic web accessibility evaluation against WCAG 1.0, developed as a complete redesign of the earlier Hera online tool. The authors first establish a comprehensive list of 11 desirable features for accessibility…

  accessibility evaluation · evaluation tools · semi-automatic evaluation · browser extensions · WCAG 1.0

• 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

• Age and Web Access: The Next Generation

  Vicki L. Hanson · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper challenges the common assumption that technology difficulties experienced by older adults are a fixed characteristic of aging that will naturally disappear as tech-savvy younger generations grow old. Hanson argues that the relationship between age and web access is…

  aging · older adults · digital divide · cognitive accessibility · user experience

• 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 Presentation Layer Bootstrapping for Accessibility and Performance

  Clint Andrew Hall · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper presents the "Web Bootstrapper," a technique for delivering different presentation experiences ("skins") from a single semantic HTML codebase without altering source markup or running costly client-side detection code. The approach addresses a gap between graceful…

  progressive enhancement · web performance · responsive design · device detection · CSS

• A Survey of Technology Accessibility Problems Faced by Older Users in China

  Dengfeng Yao, Yunfeng Qiu, Zaixin Du, Jianqing Ma, Harry Huang · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper presents the broadest survey of web accessibility for older users conducted in China at the time, with 180 valid responses from participants across all 25 Chinese provinces. The web-based questionnaire was supplemented with in-person discussions at meetings with older…

  aging · older adults · digital divide · global accessibility · survey research

• Guideline Aggregation: Web Accessibility Evaluation for Older Users

  Giorgio Brajnik, Yeliz Yesilada, Simon Harper · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper proposes using set theory to create an aggregated accessibility evaluation category for older users by combining barrier types identified for motor impaired and low vision users within the Barrier Walkthrough (BW) method. Traditional validation approaches treat…

  older users · accessibility evaluation · barrier walkthrough · low vision · motor impairment

• Audio Presentation of Auto-Suggest Lists

  Andy Brown, Caroline Jay, Simon Harper · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper investigates how to make auto-suggest lists (ASLs) — the dropdown suggestions that appear as users type in search boxes and form fields — accessible through audio for visually impaired users. Part of the SASWAT (Structured Accessibility Stream for Web 2.0 Access…

  visual impairment · screen readers · dynamic content · Web 2.0 · auto-suggest

• User tests demonstration: real experiences in measuring web accessibility needs for people with disabilities and the elderly

  Jesus Hernandez Galán, J. Ángel Martinez Usero, M. Jesús Varela Méndez · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibililty (W4A)

  This workshop paper from the ONCE Foundation, CIDAT, and Technosite in Spain describes a practical demonstration of user testing with people with disabilities and elderly participants as part of web accessibility evaluation. Set within the European policy context of the 2005…

  user testing · accessibility evaluation · aging · European accessibility policy · UWEM

• 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

• Augmenting social media accessibility

  Roberto Borrino, Marco Furini, Marco Roccetti · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibililty (W4A)

  This paper presents SOMFA (SOcial Media For All), an architecture that transforms web-based social media content into multimodal audio/video presentations suitable for television sets. The system addresses the growing social divide created by social media: while technologically…

  social media · digital divide · aging · content adaptation · text-to-speech

• Evaluation of techniques defined in WCAG 2.0 with older people

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

  This paper evaluates two specific WCAG 2.0 techniques — keyboard-based navigation (Guideline 2.1) and design of link purpose (Guideline 2.4) — with older people aged 65 to 80 in two real-world design projects for old-age pensioner associations in Barcelona, Spain. The study…

  aging · WCAG compliance · keyboard accessibility · link design · user testing

• Accessibility for the HTML5 <video> element

  Silvia Pfeiffer, Conrad Parker · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibililty (W4A)

  This paper documents early efforts to standardize how subtitles, captions, and other accessibility data should be associated with the then-new HTML5 <video> element. Written in 2009 when Firefox, Opera, and Safari were just beginning to implement <video> support, the paper…

  video accessibility · HTML5 · captioning · subtitles · web standards

• Adapting learning environments with AccessForAll

  Greg Gay, Silvia Mirri, Marco Roccetti, Paola Salomoni · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibililty (W4A)

  This paper describes the first implementation of the ISO FDIS 24751 accessibility standards (and the closely related IMS AccessForAll specifications) in ATutor, an open-source Learning Management System (LMS) developed at the University of Toronto's Adaptive Technology Resource…

  e-learning accessibility · learning management systems · content adaptation · personalization · ISO 24751

• Metrics for accessibility on the Vamolà project

  Silvia Mirri, Ludovico Antonio Muratori, Marco Roccetti, Paola Salomoni · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibililty (W4A)

  This paper describes the Vamolà project (Italian acronym for "accessibility validator and monitor"), a collaboration between the University of Bologna and the Emilia Romagna Region that integrates an accessibility validator with a monitoring system designed to track…

  accessibility metrics · accessibility monitoring · automated testing · Stanca Act · accessibility evaluation

• Prosumers and accessibility: how to ensure a productive interaction

  Yod Samuel Martín García, Beatriz San Miguel González, Juan Carlos Yelmo García · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibililty (W4A)

  This paper examines how accessibility can be ensured in user-generated content (UGC) created by "prosumers" — ordinary web users who both consume and produce content but lack any training, awareness, or accountability regarding accessibility. The authors conducted a field study…

  user-generated content · social media · ATAG · authoring tools · crowdsourcing

• Getting mobile with mobile devices: using the web to improve transit accessibility

  Darren Minifie, Yvonne Coady · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibililty (W4A)

  This paper proposes a mobile web-based architecture for making public transit accessible to blind and visually impaired travelers. Drawing on direct feedback from the blind community (including one of the authors, who is visually impaired), the paper identifies four key barriers…

  mobile accessibility · public transportation · visual impairment · blindness · GPS

• TeleWeb: accessible service for web browsing via phone

  Yevgen Borodin, Glenn Dausch, I. V. Ramakrishnan · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibililty (W4A)

  This paper presents TeleWeb, a telephony service that enables web browsing via any standard telephone using speech and keypad input. Built on top of the HearSay non-visual web browser engine from Stony Brook University, TeleWeb allows users to call a phone number and then search…

  screen readers · voice interface · visual impairment · blindness · telephony

• Virtual Teaching in a Society of Learning

  António Eduardo Martins, Felipa Lopes dos Reis · 2009 · Proceedings of the 2009 International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper examines the transformation of teaching practices in the context of online and distance education, with particular attention to how information and communication technologies reshape the spatial and temporal dimensions of learning. The authors, both from Universidade…

  e-learning · distance education · blended learning · online education · collaborative learning

• 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