Literature Reviews

Reviewed research papers, articles, and publications relevant to digital accessibility.

• Providing Access to the High-Level Content of Line Graphs from Online Popular Media

  Priscilla S. Moraes, Sandra Carberry, Kathleen McCoy (2013) — Proceedings of the 10th International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper extends the Interactive SIGHT (Summarizing Information Graphics Textually) system to generate natural language summaries of line graphs found in online popular media articles, making their high-level content accessible to visually impaired…

  • data visualization
  • visual impairment
  • natural language generation
  • assistive technology
  • screen readers
  • image accessibility
  • information graphics
  • alt text

• Data Sonification for Screen-Reader Users: When and When Not to Use

  Ather Sharif, Neha Aitharaju, Srihari Krishnaswamy, Jacob Wobbrock (2025) — Proceedings of the 22nd International Web for All Conference (W4A)

  This paper from the University of Washington assesses when data sonification — non-speech audio representations of data visualizations — is and is not beneficial for screen-reader users. Despite sonification dating back to 1974 and growing adoption i…

  • sonification
  • data visualization
  • screen readers
  • blindness
  • visual impairment
  • audio graphs
  • web accessibility

• Laying a Foundation for the Graphical Course Map

  Linda DuHadway, Thomas C. Henderson (2016) — Proceedings of the 13th International Web for All Conference (W4A)

  This paper from the University of Utah presents ENABLE, a system that transforms traditional linear, text-based learning management system (LMS) course presentations into interactive graphical course maps. The authors argue that current LMS platforms…

  • education accessibility
  • personalized learning
  • data visualization
  • learning management systems
  • machine learning
  • inclusive design

• Accessible Map Visualization Prototype

  Tania Calle-Jimenez, Sergio Luján-Mora (2016) — Proceedings of the 13th International Web for All Conference (W4A)

  This paper from Ecuador's National Polytechnic School and the University of Alicante presents a prototype for making online geographic maps accessible to people with visual disabilities. The authors identify four key accessibility barriers in web-bas…

  • data visualization
  • visual impairment
  • color blindness
  • SVG
  • web accessibility
  • geographic information
  • keyboard accessibility
  • screen readers

• RoboGraphics: Dynamic Tactile Graphics Powered by Mobile Robots

  Darren Guinness, Annika Muehlbradt, Daniel Szafir, Shaun K. Kane (2019) — Proceedings of the 21st International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2019)

  This paper introduces RoboGraphics, a novel approach to creating dynamic tactile graphics by combining a touchscreen tablet, static laser-cut tactile overlays, and small mobile robots (Ozobot Bit 2.0, approximately one cubic inch, ~$60 each). Traditi…

  • tactile graphics
  • robotics
  • blind
  • tangible interaction
  • data visualization
  • education
  • haptic technology
  • low-cost accessibility
  • dynamic display

• GraVVITAS 2.0: A Framework For Digital Accessible Content Provision

  Cagatay Goncu, Kim Marriott (2019) — Proceedings of the 21st International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2019)

  This demonstration paper presents GraVVITAS 2.0 (Graphics Viewer using Vibration Interactive Touch and Speech), a framework for making graphical information accessible to people with vision impairments on off-the-shelf mobile devices. The paper argue…

  • visual impairment
  • accessible graphics
  • tactile graphics
  • haptic feedback
  • data visualization
  • STEM accessibility
  • content authoring
  • SVG

• AudioFunctions.web: Multimodal Exploration of Mathematical Function Graphs

  Dragan Ahmetovic, Cristian Bernareggi, João Guerreiro, Sergio Mascetti, Anna Capietto (2019) — Proceedings of the 16th International Web for All Conference (W4A)

  This full research paper presents AudioFunctions.web, a web application that enables blind and visually impaired people to explore mathematical function graphs through a combination of sonification, earcons, and speech synthesis. The system is the pl…

  • sonification
  • mathematics accessibility
  • visual impairment
  • blindness
  • STEM accessibility
  • multimodal interaction
  • data visualization
  • assistive technology
  • web accessibility
  • user study
  • touchscreen
  • keyboard accessibility

• Multimodal Exploration of Mathematical Function Graphs with AudioFunctions.web

  Dragan Ahmetovic, Niccolò Cantù, Cristian Bernareggi, João Guerreiro, Sergio Mascetti, Anna Capietto (2019) — Proceedings of the 16th International Web for All Conference (W4A)

  This demonstration paper presents AudioFunctions.web, a web-based system designed to make mathematical function graphs accessible to people who are blind or have visual impairments. Function graphs are a fundamental tool in mathematics education and …

  • sonification
  • mathematics accessibility
  • visual impairment
  • blindness
  • STEM accessibility
  • multimodal interaction
  • data visualization
  • assistive technology
  • web accessibility

• Tapsonic: One Dimensional Finger Mounted Multimodal Line Chart Reader

  Zeyuan Zhang (2020) — Proceedings of the 22nd International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2020)

  This short paper presents Tapsonic, a finger-mounted wearable device that enables people with visual impairments to read line charts through a combination of haptic feedback and voiceover. The key innovation is a dimensionality reduction approach: ra…

  • visual accessibility
  • data visualization
  • data accessibility
  • haptic technology
  • blindness and low vision
  • assistive technology
  • wearable technology
  • multimodal interaction

• Supporting the Design of Data Visualisation for the Visually Impaired through Reinforcement Learning

  Dalal Aljasem (2020) — Proceedings of the 17th International Web for All Conference (W4A)

  This doctoral consortium paper presents a research programme aimed at making data visualizations more accessible to people with partial vision loss, specifically those with peripheral vision damage (tunnel vision from conditions like glaucoma) or cen…

  • data visualization
  • visual impairment
  • reinforcement learning
  • visual search
  • machine learning
  • eye tracking
  • accessible design