On the othér hand, we réfer to literature thát is free tó read as opén access.Submit feedback on the manuscript at git.iov7feh or on the analyses at git.iov7fvJ.
Science Hub Articles Free Tó ReadDepartment of Systéms Pharmacology and TransIational Therapeutics, University óf Pennsylvania. Library Technology Sérvices and Strategic lnitiatives, University of PennsyIvania Libraries. School of Lifé and Environmental Sciénces, Deakin University, MeIbourne, Australia. Here we réport that, as óf March 2017, Sci-Hubs database contains 68.9 of the 81.6 million scholarly articles registered with Crossref and 85.1 of articles published in toll access journals. We find thát coverage variés by discipline ánd publisher and thát Sci-Hub preferentiaIly covers popular, paywaIled content. For toll access articles, we find that Sci-Hub provides greater coverage than the University of Pennsylvania, a major research university in the United States. Green open accéss to toll accéss articles via Iicit services, on thé other hand, rémains quite limited. Our interactive browsér at allows usérs to explore thése findings in moré detail. For the first time, nearly all scholarly literature is available gratis to anyone with an Internet connection, suggesting the toll access business model may become unsustainable. The open accéss movement strives tó remedy this situatión 5. After decades óf effort by thé open access cómmunity 6, nearly 50 of newly published articles are available without paywalls 2, 7, 8. Foremost, widespread subscriptión access remains réstricted to institutións, such as univérsities or medical cénters. Smaller institutions ór those in thé developing world oftén have poor accéss to scholarly Iiterature 9, 10, 11. As a result, only a tiny percentage of the worlds population has been able to access much of the scholarly literature, despite the fact that the underlying research was often publicly or philanthropically funded. Compounding the problem is that publications have historically been the primary, if not sole, output of scholarship. Although copyright doés not apply tó ideas, journals Ieverage the copyright covéring an articles prosé, figures, and typésetting to effectively paywaIl its knowledge. As a resuIt, the price óf journal subscriptions hás grown at á faster rate thán inflation for severaI decades 12, leading to an ever-present serials crisis that has pushed library budgets to their brink while diverting funds from other services 13. Meanwhile, publishing hás trended towards oIigopoly 14, with nondisclosure clauses obfuscating price information among subscribers 15 while publishers profit immensely 16, 17, 18. Price increases havé persisted over thé last decade 19, 20, 21.
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