PDF accessibility in open repositories

PAYWALL https://journals.sagepub.com/doi/10.1177/01655515251396902 This study systematically evaluates the accessibility of PDF documents in open digital repositories, with a primary focus on compliance with WCAG and PDF/UA standards. A large-scale automated analysis was conducted on a dataset of 100,000 PDF documents collected from 1000 repositories listed in the OpenDOAR registry. The objectives were to assess overall accessibility and to identify patterns and disparities related to academ...