Reviews

Search results

• 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

• The Effect of Voice Output on AAC-Supported Conversations of Persons with Alzheimer's Disease

  Melanie Fried-Oken, Charity Rowland, Glory Baker, Mayling Dixon, Carolyn Mills, Darlene Schultz, Barry Oken · 2009 · ACM Transactions on Accessible Computing

  This study investigated whether digitized voice output on AAC (Augmentative and Alternative Communication) devices would improve conversations for people with moderate Alzheimer's disease. The researchers hypothesized that voice output might function like partner-assisted word…

  AAC · Alzheimer's disease · dementia · voice output · cognitive accessibility

• Exploring Visual and Motor Accessibility in Navigating a Virtual World

  Shari Trewin, Mark Laff, Vicki Hanson, Anna Cavender · 2009 · ACM Transactions on Accessible Computing

  This paper explores accessibility requirements for 3D virtual worlds, using PowerUp—an educational multiplayer game teaching middle schoolers about renewable energy—as a testbed. Virtual worlds present unique accessibility challenges: they rely on visual realism and dynamic…

  virtual reality · game accessibility · visual impairment · cerebral palsy · motor accessibility

• A Linguistically Motivated Model for Speed and Pausing in Animations of American Sign Language

  Matt Huenerfauth · 2009 · ACM Transactions on Accessible Computing

  This paper tackles a critical accessibility challenge: many deaf adults in the United States have English reading levels below average 10-year-old hearing students, creating barriers to accessing written web content. Computer-generated animations of American Sign Language (ASL)…

  American Sign Language · sign language animation · deaf accessibility · natural language generation · virtual humans

• The Development and Evaluation of Performance-Based Functional Assessment: A Methodology for the Measurement of Physical Capabilities

  Katherine J. Price, Andrew Sears · 2009 · ACM Transactions on Accessible Computing

  This paper introduces PB-FACT (Performance-Based Functional Assessment for Computer Technology), a methodology for objectively measuring the physical capabilities of individuals with motor impairments to inform assistive technology selection. Traditional approaches rely on…

  motor impairments · functional assessment · assistive technology · motion sensors · user capabilities

• Being Old Doesn't Mean Acting Old: How Older Users Interact with Spoken Dialog Systems

  Maria Wolters, Kallirroi Georgila, Johanna D. Moore, Sarah E. MacPherson · 2009 · ACM Transactions on Accessible Computing

  This study challenges the common practice of designing voice interfaces based on assumed age-related characteristics. Using a bottom-up approach rather than top-down age comparisons, the researchers analyzed 447 appointment scheduling dialogs between 50 users (26 older, aged…

  aging · voice interface · spoken dialog systems · cognitive aging · user diversity

• A3: HCI Coding Guideline for Research Using Video Annotation to Assess Behavior of Nonverbal Subjects with Computer-Based Intervention

  Joshua Hailpern, Karrie Karahalios, James Halle, Laura DeThorne, Mary-Kelsey Coletto · 2009 · ACM Transactions on Accessible Computing

  This paper introduces A3 (Annotation for ASD Analysis), a comprehensive coding guideline containing 21 dependent variables for assessing the behavior of nonverbal individuals interacting with computer-based interventions. The authors developed A3 through extensive video analysis…

  autism · nonverbal communication · video annotation · research methodology · behavioral assessment

• Video Modeling for Training Older Adults to Use New Technologies

  Doreen Struve, Hartmut Wandke · 2009 · ACM Transactions on Accessible Computing

  This paper investigates the effectiveness of video modeling combined with guided error training for teaching older adults to use complex technology systems. Part of the ALISA project (Adaptive Learning Support for Older Adults) at Humboldt University Berlin, the study compared…

  older adults · video modeling · training · self-efficacy · cognitive load

• Evaluating the STANDUP Pun Generating Software with Children with Cerebral Palsy

  Annalu Waller, Rolf Black, David A. O'Mara, Helen Pain, Graeme Ritchie, Ruli Manurung · 2009 · ACM Transactions on Accessible Computing

  This paper evaluates STANDUP (System To Augment Non-speakers' Dialogue Using Puns), software that uses natural language generation to enable children with complex communication needs (CCN) to create and tell novel punning riddles. Unlike traditional AAC systems that rely on…

  AAC · cerebral palsy · children · natural language generation · computational humor

• Disability, Age, and Informational Privacy Attitudes in Quality of Life Technology Applications: Results from a National Web Survey

  Scott Beach, Richard Schulz, Julie Downs, Judith Matthews, Bruce Barron, Katherine Seelman · 2009 · ACM Transactions on Accessible Computing

  This landmark study examines privacy attitudes toward assistive and health monitoring technologies among 1,518 U.S. adults, focusing on how disability and age influence willingness to share personal health information. Conducted under the NSF Quality of Life Technology…

  privacy · quality of life technology · smart home · aging · surveillance

• Exploring Methods to Improve Pen-Based Menu Selection for Younger and Older Adults

  Karyn Moffatt, Joanna McGrenere · 2009 · ACM Transactions on Accessible Computing

  This study investigates why users struggle with pen-based menu selection on tablet PCs, particularly older adults, and tests two approaches for reducing errors. Building on a baseline study that identified three error types (slipping, drifting, and "missing just below"), the…

  pen input · tablet PC · older adults · target acquisition · motor impairments