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The Tabular Accessibility Dataset: A Benchmark for LLM-Based Web Accessibility Auditing

Author

Listed:
  • Manuel Andruccioli

    (Department of Computer Science and Engineering, University of Bologna, 47522 Cesena, Italy)

  • Barry Bassi

    (Department of Computer Science and Engineering, University of Bologna, 47522 Cesena, Italy)

  • Giovanni Delnevo

    (Department of Computer Science and Engineering, University of Bologna, 47522 Cesena, Italy)

  • Paola Salomoni

    (Department of Computer Science and Engineering, University of Bologna, 47522 Cesena, Italy)

Abstract

This dataset was developed to support research at the intersection of web accessibility and Artificial Intelligence, with a focus on evaluating how Large Language Models (LLMs) can detect and remediate accessibility issues in source code. It consists of code examples written in PHP, Angular, React, and Vue.js, organized into accessible and non-accessible versions of tabular components. A substantial portion of the dataset was collected from student-developed Vue components, implemented using both the Options and Composition APIs. The dataset is structured to enable both a static analysis of source code and a dynamic analysis of rendered outputs, supporting a range of accessibility research tasks. All files are in plain text and adhere to the FAIR principles, with open licensing (CC BY 4.0) and long-term hosting via Zenodo. This resource is intended for researchers and practitioners working on LLM-based accessibility validation, inclusive software engineering, and AI-assisted frontend development.

Suggested Citation

  • Manuel Andruccioli & Barry Bassi & Giovanni Delnevo & Paola Salomoni, 2025. "The Tabular Accessibility Dataset: A Benchmark for LLM-Based Web Accessibility Auditing," Data, MDPI, vol. 10(9), pages 1-13, September.
    • Handle: RePEc:gam:jdataj:v:10:y:2025:i:9:p:149-:d:1753493
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    References listed on IDEAS

    as
    1. Delia Ferri & Silvia Favalli, 2018. "Web Accessibility for People with Disabilities in the European Union: Paving the Road to Social Inclusion," Societies, MDPI, vol. 8(2), pages 1-19, June.
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