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• WeAllWalk: An Annotated Dataset of Inertial Sensor Time Series from Blind Walkers

  Germán H. Flores, Roberto Manduchi · 2018 · ACM Transactions on Accessible Computing (TACCESS)

  This paper introduces WeAllWalk, an annotated dataset of inertial sensor time series collected from blind and sighted walkers navigating complex indoor routes. Ten blind volunteers (seven using a long cane, one using a guide dog, and two alternating between both) and five…

  indoor navigation · blindness · inertial sensing · step counting · turn detection

• Visually Augmented Audio-Tactile Graphics for Visually Impaired People

  Timo Götzelmann · 2018 · ACM Transactions on Accessible Computing (TACCESS)

  This paper presents a novel system for creating visually augmented audio-tactile graphics using 3D printing and standard tablet computers, designed for people with visual impairments including those with residual vision. Traditional tactile graphics (raised-line drawings on…

  tactile graphics · 3D printing · audio-tactile · visual augmentation · low vision

• Insights on Assistive Orientation and Mobility of People with Visual Impairment Based on Large-Scale Longitudinal Data

  Hernisa Kacorri, Sergio Mascetti, Andrea Gerino, Dragan Ahmetovic, Valeria Alampi, Hironobu Takagi, Chieko Asakawa · 2018 · ACM Transactions on Accessible Computing (TACCESS)

  This paper analyses large-scale longitudinal usage data from iMove, a mobile app supporting outdoor orientation for people with visual impairment (PVI), examining millions of interactions from approximately 15,000 users worldwide over 15 months. This is a departure from the…

  orientation and mobility · visual impairment · large-scale data · longitudinal study · user clustering

• Guidelines for Creating Senior-Friendly Product Instructions

  Meng Fan, Khai N. Truong · 2018 · ACM Transactions on Accessible Computing (TACCESS)

  This paper addresses the widespread challenge older adults face when using product instructions, which are typically designed for a general audience without consideration for age-related changes in cognition, vision, and motor skills. The authors developed 11 evidence-based…

  aging · product instructions · guidelines · usability · older adults

• Design and Evaluation of a Collaborative Virtual Environment (CoMove) for Autism Spectrum Disorder Intervention

  Lian Zhang, Qiang Fu, Amy Swanson, Amy Weitlauf, Zachary Warren, Nilanjan Sarkar · 2018 · ACM Transactions on Accessible Computing (TACCESS)

  This paper presents CoMove, a collaborative virtual environment (CVE) designed to measure and potentially enhance collaborative interaction and verbal communication skills of children with autism spectrum disorder (ASD) when playing with typically developing (TD) peers from…

  autism · collaborative virtual environment · social skills · peer interaction · puzzle games

• Drop-Down Menu Widget Identification Using HTML Structure Changes Classification

  Humberto Lidio Antonelli, Rodrigo Augusto Igawa, Renata Pontin De Mattos Fortes, Eduardo Henrique Rizo, Willian Massami Watanabe · 2018 · ACM Transactions on Accessible Computing (TACCESS)

  This paper addresses a critical gap in web accessibility: the widespread failure of interactive widgets in rich internet applications (RIAs) to implement WAI-ARIA markup, rendering them inaccessible to screen reader users and other assistive technology users. The authors propose…

  ARIA · web accessibility · machine learning · widgets · automated testing

• Tenets for Social Accessibility: Towards Humanizing Disabled People in Design

  Kristen Shinohara, Cynthia L. Bennett, Wanda Pratt, Jacob O. Wobbrock · 2018 · ACM Transactions on Accessible Computing (TACCESS)

  This paper investigates how student designers think about disability and accessibility when tasked with designing for multiple users with and without disabilities, and uses the findings to refine the Design for Social Accessibility framework. Conducted across two university…

  social accessibility · design methodology · accessibility education · inclusive design · user-centered design

• Pictures in Your Mind: Using Interactive Gesture-Controlled Reliefs to Explore Art

  Andreas Reichinger, Helena Garcia Carrizosa, Joanna Wood, Svenja Schröder, Christian Löw, Laura Rosalia Luidolt, Maria Schimkowitsch, Anton Fuhrmann, Stefan Maierhofer, Werner Purgathofer · 2018 · ACM Transactions on Accessible Computing (TACCESS)

  This paper presents an interactive audio guide (IAG) system that combines 3D-printed tactile reliefs with gesture-controlled, location-dependent audio descriptions to make visual art accessible to blind, visually impaired, and cognitively disabled users. Traditional tactile…

  tactile graphics · museum accessibility · blind and visually impaired · audio description · gesture interaction

• Designing Gesture-Based Applications for Individuals with Developmental Disabilities: Guidelines from User Studies in India

  Sumita Sharma, Blessin Varkey, Krishnaveni Achary, Jaakko Hakulinen, Markku Turunen, Tomi Heimonen, Saurabh Srivastava, Nitendra Rajput · 2018 · ACM Transactions on Accessible Computing (TACCESS)

  This paper presents the design, evaluation, and resulting guidelines from three gesture-based applications created for individuals with developmental disabilities in India, developed through a long-term collaboration with Tamana, an NGO and special education school in New Delhi.…

  developmental disabilities · gesture interaction · special education · inclusive design · Global South accessibility

• Artificial Intelligence (AI) for Web Accessibility: Is Conformance Evaluation a Way Forward?

  Shadi Abou-Zahra, Judy Brewer, Michael Cooper · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This short paper from three W3C/WAI staff members explores the potential and limitations of applying artificial intelligence to improve web accessibility, proposing accessibility conformance evaluation as a strategic pathway to accelerate AI adoption in this domain. The authors…

  artificial intelligence · web accessibility · WCAG · automated testing · machine learning

• Collaborative Accessibility Assessments by Senior Citizens Using Smartphone Application ReAcTS (Real-world Accessibility Transaction System)

  Takahiro Miura, Ken-ichiro Yabu, Ryogo Ogino, Atsushi Hiyama, Michitaka Hirose, Tohru Ifukube · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This paper presents ReAcTS (Real-world Accessibility Transaction System), a smartphone application designed to enable senior citizen volunteers to collaboratively assess and share real-world physical accessibility conditions in their local communities. While accessibility…

  crowdsourcing · older adults · urban accessibility · accessibility mapping · volunteering

• Exploring the Role of Tunnel Vision Simulation in the Design Cycle of Accessible Interfaces

  Rie Kamikubo, Keita Higuchi, Ryo Yonetani, Hideki Koike, Yoichi Sato · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This paper investigates whether gaze-contingent tunnel vision simulation can serve as a reliable tool within the design cycle for accessible web interfaces, enabling sighted developers to experience and evaluate prototypes under simulated visual field loss. The challenge…

  low vision · tunnel vision · retinitis pigmentosa · simulation · eye tracking

• 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

• The accessibility of administrative processes: Assessing the impacts on students in higher education

  Tim Coughlan, Kate Lister · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This paper investigates the impacts that administrative processes — such as applying for disability support, gaining medical evidence, registering for courses, and applying for government benefits — have on disabled university students. The research was conducted at The Open…

  administrative burden · higher education · disability · mental health · forms accessibility

• Parallel DOM Architecture for Accessible Interactive Simulations

  Taliesin L. Smith, Jesse Greenberg, Sam Reid, Emily B. Moore · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This paper presents the Parallel DOM (PDOM) architecture developed by the PhET Interactive Simulations project at the University of Colorado Boulder to make their suite of 140+ free science and mathematics simulations accessible to students with visual impairments. PhET sims are…

  web accessibility · interactive simulations · screen readers · keyboard accessibility · WAI-ARIA

• Application for the configuration and adaptation of the Android operating system for the visually impaired

  Bruna de Oliveira, Juliana Cristina Braga, Rafael J. Pezzuto Damaceno · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This short paper presents the design and preliminary evaluation of an Android application that allows people with visual impairments (PVI) to configure their device’s accessibility settings using voice commands, bypassing the paradoxical problem that activating accessibility…

  Android · visual impairment · blind · low vision · TalkBack

• Towards Language Independent Detection of Dyslexia with a Web-based Game

  Maria Rauschenberger, Luz Rello, Ricardo Baeza-Yates, Jeffrey P. Bigham · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This paper presents MusVis, a web-based game designed to detect dyslexia in children using musical and visual elements that are language independent, potentially enabling screening before children learn to read. Dyslexia affects 5-15% of the world’s population and early…

  dyslexia · screening · serious games · language independent · auditory processing

• A TensorFlow-based Assistive Technology System for Users with Visual Impairments

  Davide Mulfari · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This extended abstract presents a wearable computer vision system that uses deep learning to classify objects in a blind user’s surroundings and provide audio descriptions via text-to-speech. The system addresses a limitation of smartphone-based object recognition apps: people…

  computer vision · deep learning · blind · visual impairment · wearable technology

• Adaptable maps for people with autism

  Claudia De Los Rios Perez, David A. McMeekin, Marita Falkmer, Tele Tan · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This demonstration paper presents a web application that adapts digital maps for people with Autism Spectrum Disorder (ASD), addressing the fact that mainstream map services like Google Maps are not designed with the needs, limitations, and capabilities of autistic users in…

  autism · maps · user interface · personalization · navigation

• DysHelper: The Dyslexia Assistive User Experience

  Tereza Pařilová, Romana Remšíková · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This demonstration paper presents DysHelper, a web browser extension designed to assist people with dyslexia by visually modifying the appearance of web text without altering its content or meaning. The extension addresses the core visual processing difficulty in dyslexia:…

  dyslexia · browser extension · reading accessibility · typography · web accessibility

• Home Automation for an Independent Living: Investigating the Needs of Visually Impaired People

  Barbara Leporini, Marina Buzzi · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This paper investigates the habits, expectations, and unmet needs of visually impaired people regarding home automation and remote control systems through an online survey of 42 participants (32 totally blind, 10 low vision; ages 18-70+; 64.3% male) and face-to-face interviews…

  smart home · blind · visual impairment · Internet of Things · independent living

• Improving Usability of Math Editors

  Neil Soiffer · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This short paper presents an empirical analysis of mathematical symbol usage across US grade 6-12 textbooks to demonstrate that context-aware math editors could dramatically reduce the number of buttons needed for symbol entry, significantly improving usability for screen reader…

  mathematics accessibility · STEM accessibility · MathML · equation editors · screen readers

• 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

• Computer Anxiety and Interaction: A Systematic Review

  Thiago Donizetti dos Santos, Vagner Figueredo de Santana · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This paper presents a systematic review of 111 papers on Computer Anxiety (CA) in the context of Human-Computer Interaction, synthesising research spanning 1986-2017 across four databases (Springer, ACM, IEEExplore, PubMed). Computer Anxiety is defined as negative emotions and…

  computer anxiety · older adults · aging · digital inclusion · self-efficacy

• Automatic Natural Language Generation Applied to Alternative and Augmentative Communication for Online Video Content Services using SimpleNLG for Spanish

  Silvia García-Méndez, Milagros Fernández-Gavilanes, Enrique Costa-Montenegro, Jonathan Juncal-Martínez, Francisco Javier González-Castaño · 2018 · Proceedings of the 15th International Web for All Conference (W4A 2018)

  This short paper presents the development of a Spanish version of SimpleNLG — a natural language generation (NLG) library — specifically enhanced for Augmentative and Alternative Communication (AAC) applications. The work addresses a gap at the intersection of AAC and online…

  AAC · natural language processing · pictograms · Spanish · natural language generation