What is open access publishing? | Perplexity AI

"Open access publishing is a set of principles and practices that make research outputs available online, free of access charges or other barriers 1 . It refers to the free, immediate, online availability of research outputs such as journal articles or books, combined with the rights to use these outputs fully in the digital environment 4 . Open access can be applied to all forms of published research output, including peer-reviewed and non-peer-reviewed academic journal articles, conference papers, theses, book chapters, monographs, research reports, and images 1 . There are different ways of publishing open access, including full open access journals, hybrid open access, and diamond open access 3 . Full open access journals publish articles in open access format, and the publication costs are covered by authors or their institutions 3 . Hybrid open access offers authors the option of making their articles open access for a fee, but these journals are still fundamentally subscription journals with an open access option for individual articles 2 . Diamond open access describes journals that are completely free to publish and to read, and the cost of maintaining and publishing the journal is usually borne by the organization that sponsors the journal 2 ...."