How open access diamond journals comply with industry standards exemplified by Plan S technical requirements

Suppl. 1. Survey form of 94 questions in PDF format for open access diamond journals’ status from June 2020 to February 2021. Suppl. 2. Data for Figs. 1–18. Supplementary tables Table S1. PDF as a full-text format by DOAJ journal category Table S2. XML as a full-text format by DOAJ journal category Table S3. HTML as a full-text format by DOAJ journal category Table S4. HTML or XML as a full-text format by DOAJ journal category Table S5. Survey full-text format by survey journal category Table S6. Citations made available according to I4OC standards by survey journal category Table S7. Survey journals applying Creative Commons licenses Table S8. Survey journals that plan to allow authors to retain copyright without restrictions Table S9. DOAJ journals conforming to Plan S requirements by DOAJ journal category (percentages)