Sci-Hub provides access to nearly all scholarly literature.
Sci-Hub provides access to nearly all scholarly literature.
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DOI：
10.7554/elife.32822
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发表时间：
2018-03-01
期刊：
影响因子：
7.7
通讯作者：
Greene CS
中科院分区：
文献类型：
--
作者：
Himmelstein DS;Romero AR;Levernier JG;Munro TA;McLaughlin SR;Greshake Tzovaras B;Greene CS
Sci-Hub网站允许用户下载PDF版本的学术文章，包括许多在其期刊网站上付费的文章。SCI-Hub自2011年创建以来发展迅速，但其覆盖范围一直不清楚。我们在此报告，截至2017年3月，Sci-Hub的数据库包含在CrossRef注册的8160万篇学术文章中的68.9%，以及在Toll Access期刊上发表的85.1%的文章。我们发现，报道内容因学科和出版商的不同而有所不同，而Sci-Hub优先报道受欢迎的付费内容。对于收费文章，我们发现Sci-Hub提供的覆盖范围比美国主要的研究型大学宾夕法尼亚大学更大。另一方面，通过合法服务绿色开放获取通行费物品仍然相当有限。我们在https://greenelab.github.io/scihub上的交互式浏览器允许用户更详细地探索这些发现。第一次，几乎所有的学术文献都是免费的，任何人都可以连接到互联网，这表明付费访问的商业模式可能会变得不可持续。
The website Sci-Hub enables users to download PDF versions of scholarly articles, including many articles that are paywalled at their journal’s site. Sci-Hub has grown rapidly since its creation in 2011, but the extent of its coverage has been unclear. Here we report that, as of March 2017, Sci-Hub’s 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 that coverage varies by discipline and publisher, and that Sci-Hub preferentially covers popular, paywalled 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 access to toll access articles via licit services, on the other hand, remains quite limited. Our interactive browser at https://greenelab.github.io/scihub allows users to explore these findings in more 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.