Literature Reviews

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

• Understanding and Improving Drilled-Down Information Extraction from Online Data Visualizations for Screen-Reader Users

  Ather Sharif, Andrew M. Zhang, Katharina Reinecke, Jacob O. Wobbrock (2023) — Proceedings of the 20th International Web for All Conference (W4A '23)

  This extended abstract presents enhancements to VoxLens, an open-source JavaScript plug-in that improves the accessibility of online data visualizations for screen-reader users (SRUs) through a multimodal approach. Over 7.6 million people in the Unit…

  • screen readers
  • data visualization accessibility
  • alternative text
  • sonification
  • blind and low vision
  • web accessibility
  • non-visual interaction
  • information retrieval
  • accessible maps

• Authoring Web-accessible Mathematical Diagrams (Short Paper)

  David Austin, Volker Sorge (2023) — Proceedings of the 20th International Web for All Conference (W4A)

  This short paper presents a novel XML-based language for authoring accessible mathematical diagrams, targeting both visually impaired (VI) and sighted authors. Mathematical diagrams are essential for STEM subjects yet remain overwhelmingly inaccessib…

  • STEM accessibility
  • mathematical diagrams
  • SVG accessibility
  • blind and low vision
  • sonification
  • screen readers
  • tactile graphics
  • authoring tools

• Authoring Web-accessible Mathematical Diagrams

  David Austin, Volker Sorge (2023) — Proceedings of the 20th International Web for All Conference (W4A)

  This extended abstract presents an XML-based authoring language for creating web-accessible mathematical diagrams, designed to integrate with PreTeXt, a tool for producing accessible scholarly documents. While text and mathematical formulas in LaTeX …

  • STEM accessibility
  • mathematical diagrams
  • SVG accessibility
  • screen readers
  • sonification
  • tactile graphics
  • document accessibility
  • authoring tools

• ImageExplorer Deployment: Understanding Text-Based and Touch-Based Image Exploration in the Wild

  Ruolin Xu, Yuxuan Cai, Shuying Hou, Yu-Jung Chang, Anhong Guo (2024) — Proceedings of the 21st International Web for All Conference (W4A)

  This paper presents the real-world deployment and evaluation of ImageExplorer, an iOS application that enables blind and low-vision users to explore images through two complementary modalities: text-based sequential exploration and touch-based spatia…

  • image accessibility
  • screen readers
  • touch exploration
  • blind users
  • image description
  • mobile accessibility
  • computer vision
  • object detection

• Touchpad Mapper: Exploring Non-Visual Touchpad Interactions for Screen-Reader Users

  Ather Sharif, Venkatesh Potluri, Jazz R. X. Ang, Jacob O. Wobbrock, Jennifer Mankoff (2024) — Proceedings of the 21st International Web for All Conference (W4A)

  This technical note introduces Touchpad Mapper, a system that repurposes the laptop touchpad — a widely available but underutilized input device for screen-reader users — as a spatial interface for exploring 2D digital content non-visually. The autho…

  • screen readers
  • blindness
  • touchpad
  • interaction design
  • input devices
  • image exploration
  • video accessibility
  • non-visual interaction

• Toward Effective Communication of AI-Based Decisions in Assistive Tools: Conveying Confidence and Doubt to People with Visual Impairments at Accelerated Speech

  Taslima Akter, Manohar Swaminathan, Apu Kapadia (2024) — Proceedings of the 21st International Web for All Conference (W4A)

  This paper investigates how people with visual impairments (PVIs) perceive confidence and doubt in speakers' voices when audio is played at accelerated speeds — a critical question because AI-based assistive tools (scene descriptors, facial recogniti…

  • visual impairments
  • artificial intelligence
  • speech processing
  • screen readers
  • assistive technology
  • explainable AI
  • accelerated speech
  • trust

• A Universal Web Accessibility Feedback Form: A Participatory Design Study

  Adrian Wegener, Kathrin Fausel, Saskia Haug, Alexander Maedche (2024) — Proceedings of the 21st International Web for All Conference (W4A)

  This paper addresses a gap in web accessibility practice: while automated testing tools can catch structural violations, they cannot reliably assess the quality of alternative text, the usability of dynamic content, or many other issues that only hum…

  • web accessibility
  • participatory design
  • visual impairments
  • feedback mechanisms
  • user-centered design
  • WCAG
  • screen readers
  • accessibility testing

• Direct or Immersive? Comparing Smartphone-based Museum Guide Systems for Blind Visitors

  Xiyue Wang, Seita Kayukawa, Hironobu Takagi, Giorgia Masoero, Chieko Asakawa (2024) — Proceedings of the 21st International Web for All Conference (W4A)

  This paper presents the first direct comparison of two smartphone-based museum guide paradigms for blind visitors: a "direct" system using turn-by-turn navigation with VoiceOver-controlled audio descriptions, and an "immersive" system using spatializ…

  • museum accessibility
  • blindness
  • indoor navigation
  • spatialized audio
  • screen readers
  • tactile exhibits
  • audio description
  • assistive technology

• Beyond Sight: Empowering Visually Impaired Users with Audible Graphs

  Wajdi Aljedaani, Uday Kiran Chimpiri, Durgasantosh Gaddam, Vaseem Ahammed Shaik, Yaswitha Karasala, Marcelo M. Eler (2024) — Proceedings of the 21st International Web for All Conference (W4A)

  This technical note presents a tool designed to make data visualizations accessible to people with visual impairments by converting them into audible and textual representations. The tool addresses a significant gap: while data visualization is centr…

  • data visualization
  • visual impairments
  • sonification
  • screen readers
  • optical character recognition
  • deep learning
  • assistive technology
  • text-to-speech

• Accessibility Guidelines and Standards: Analyzing Stack Overflow Posts

  Asmaa Mansour Alghamdi, Wajdi Aljedaani, Marcelo M. Eler, Stephanie Ludi (2024) — Proceedings of the 21st International Web for All Conference (W4A '24)

  This study analyses 5,092 Stack Overflow posts related to web accessibility (from an initial dataset of 8,538 posts tagged with "accessibility" or "WCAG" between 2008 and 2022) to understand the practical challenges developers face when implementing …

  • WCAG
  • web development
  • developer experience
  • accessibility testing
  • screen readers
  • focus management