In academic publishing, a preprint is a version of a scholarly or scientific paper that precedes formal peer review and publication in a peer-reviewed scholarly or scientific journal. The preprint may be available, often as a non-typeset version available free, before or after a paper is published in a journal.
Since 1991, preprints have increasingly been distributed electronically on the Internet, rather than as paper copies. This has given rise to massive preprint databases such as arXiv and HAL (open archive) etc. to institutional repositories. The sharing of preprints goes back to at least the 1960s, when the National Institutes of Health circulated biological preprints. After six years the use of these Information Exchange Groups was stopped, partially because journals stopped accepting submissions shared via these channels. [1] In 2017, the Medical Research Council started supporting citations of preprints in grant and fellowship applications, [2] and Wellcome Trust started accepting preprints in grant applications. [3]
In February 2017, a coalition of scientists and biomedical funding bodies including the National Institutes of Health, the Medical Research Council and the Wellcome Trust launched a proposal for a central site for life-sciences preprints. [4] [5] [6] In February 2017, SciELO announced plans to set up a preprints server – SciELO Preprints. [7] In March 2017, the National Institutes for Health issued a new policy encouraging research preprint submissions. [8] [9] In April 2017, Center for Open Science announced that it will be launching six new preprint archives. [10] At the end of the 2010s, libraries and discovery tools increasingly integrate Unpaywall data, which indexes millions of preprints and other green open access sources and manages to serve over half of the requests by users without the need for subscriptions. [11]
During the early months of the COVID-19 pandemic, the need for published research on the disease spurred a wave of research articles being released as preprints, [12] bypassing the peer-review and publication process, which was proving too slow in the context of an active and novel pandemic. The release of COVID-related preprint articles, along with other COVID-related articles published by traditional journals, contributed to the largest ever single-year increase in scholarly articles. [13]
Publication of manuscripts in a peer-reviewed journal often takes weeks, months or even years from the time of initial submission, owing to the time required by editors and reviewers to evaluate and critique manuscripts, and the time required by authors to address critiques. The need to quickly circulate current results within a scholarly community has led researchers to distribute documents known as preprints, which are manuscripts that have yet to undergo peer review. The immediate distribution of preprints allows authors to receive early feedback from their peers, which may be helpful in revising and preparing articles for submission. [14] Preprint are also used to demonstrate the precedence of the discoveries and a way to protect the intellectual property (a prompt availability of the discovery can be used to block patenting or discourage competing parties).
Most publishers allow work to be published to preprint servers before submission. A minority of publishers decide on a case-by-case basis or interpret the Ingelfinger Rule to disqualify from submission. [15] Yet, many journals prohibit or discourage the use of preprints in the references as they are not considered as credible sources.
Some journal-independent review services (Peerage of Science, Peer Community In, Review Commons, eLife Preprint Review) offer peer review on preprints. These peer-reviews are either a first step before publication in a journal (Peerage of Science, Review Commons, eLife Preprint Review) or result in a formal editorial decision (Peer Community In) without precluding submission in journals. [16]
While a preprint is an article that has not yet undergone peer review, a postprint is an article which has been peer reviewed in preparation for publication in a journal. Both the preprint and postprint may differ from the final published version of an article. Preprints and postprints together are referred to as e-prints or eprints. [17]
The word reprint refers to hard copies of papers that have already been published; reprints can be produced by the journal publisher, but can also be generated from digital versions (for example, from an electronic database of peer-reviewed journals), or from eprints self-archived by their authors in their institutional repositories.
In academia, preprints are not likely to be weighed heavily when a scholar is evaluated for tenure or promotion, unless the preprint becomes the basis for a peer-reviewed publication. [18]
Some important results in mathematics have been published only on the preprint server arXiv. [19] [20] After nearly a century of effort by mathematicians, between 2002 and 2003 the mathematician Grigori Perelman published a series of preprint papers on the arXiv where he presented a proof of the Poincaré conjecture. [21] [22] [23] Perelman was offered both the prestigious $1 million Millennium Prize and the Fields Medal for the mentioned work published exclusively on arXiv, but he declined both prizes. [19]
The advantages of preprints can be summarized as: prompt dissemination of outcomes, contributes to free flow of information, increase chances of early feedback and comments, increase number of citations, chances of academic collaborations, make authors enthusiastic, may reduce predatory publishing, increases transparency, may publish negative outcomes and controversies, may receive DOI, link to ORCID, plagiarism check, chance to receive grants and awards, promotion of young researchers, early credit, good place for hypothesis, and early detection of science misconduct. [12]
The disadvantages of preprints could be summarized as: lack of peer-review, absence of quality (in controversy), concerns about premature data, media coverage not properly presenting the inherent uncertainty of preprints, [24] risk of double citation (by publishing a peer-reviewed article, the preprint may also be cited), lack of ethical and statistical guidelines, lack of respect for COPE or ICMJE guidelines, breach of intellectual property regulations in some countries, possible harm to health in certain cases, information overload, breach of Ingelfinger rule (a strategy conducted to discourage dissemination of research reports before they are published in the journal), rush to post low-quality research. [12]
The preprint servers can be grouped in three categories: general (accepting practically all preprints, frequently with bias towards some topic, publisher e.g. Authorea), field-specific (e.g. bioRxiv, ChemRxiv) and regional (e.g. AfricArxiv, Arabixiv). Additionally, preprints can be categorised by the owner (private publishing company e.g. PeerJ PrePrints, libraries e.g. EarthArXiv, universities e.g. arXiv or independent non-profit organisations e.g. HAL). While many preprint servers appeared, some had been terminated. The canceled servers were operated mainly by profit publishing companies (e.g. Nature Publishing Group closed Nature Precedings or O'Reilly&SAGE closed PeerJ PrePrints) or were regional (e.g. INArxiv limited to Indonesia). Moreover, multiple writing platforms (e.g. Authorea) developed separate preprint servers as a part of their service. For more complete list (over 60 preprints servers) see: List of preprint repositories.
arXiv is an open-access repository of electronic preprints and postprints approved for posting after moderation, but not peer review. It consists of scientific papers in the fields of mathematics, physics, astronomy, electrical engineering, computer science, quantitative biology, statistics, mathematical finance and economics, which can be accessed online. In many fields of mathematics and physics, almost all scientific papers are self-archived on the arXiv repository before publication in a peer-reviewed journal. Some publishers also grant permission for authors to archive the peer-reviewed postprint. Begun on August 14, 1991, arXiv.org passed the half-million-article milestone on October 3, 2008, had hit a million by the end of 2014 and two million by the end of 2021. As of April 2021, the submission rate is about 16,000 articles per month.
Academic publishing is the subfield of publishing which distributes academic research and scholarship. Most academic work is published in academic journal articles, books or theses. The part of academic written output that is not formally published but merely printed up or posted on the Internet is often called "grey literature". Most scientific and scholarly journals, and many academic and scholarly books, though not all, are based on some form of peer review or editorial refereeing to qualify texts for publication. Peer review quality and selectivity standards vary greatly from journal to journal, publisher to publisher, and field to field.
Open access (OA) is a set of principles and a range of practices through which research outputs are distributed online, free of access charges or other barriers. With open access strictly defined, or libre open access, barriers to copying or reuse are also reduced or removed by applying an open license for copyright.
In academic publishing, an eprint or e-print is a digital version of a research document that is accessible online, usually as green open access, whether from a local institutional or a central digital repository.
An article or piece is a written work published in a print or electronic medium, for the propagation of news, research results, academic analysis or debate.
PubMed Central (PMC) is a free digital repository that archives open access full-text scholarly articles that have been published in biomedical and life sciences journals. As one of the major research databases developed by the National Center for Biotechnology Information (NCBI), PubMed Central is more than a document repository. Submissions to PMC are indexed and formatted for enhanced metadata, medical ontology, and unique identifiers which enrich the XML structured data for each article. Content within PMC can be linked to other NCBI databases and accessed via Entrez search and retrieval systems, further enhancing the public's ability to discover, read and build upon its biomedical knowledge.
Self-archiving is the act of depositing a free copy of an electronic document online in order to provide open access to it. The term usually refers to the self-archiving of peer-reviewed research journal and conference articles, as well as theses and book chapters, deposited in the author's own institutional repository or open archive for the purpose of maximizing its accessibility, usage and citation impact. The term green open access has become common in recent years, distinguishing this approach from gold open access, where the journal itself makes the articles publicly available without charge to the reader.
A postprint is a digital draft of a research journal article after it has been peer reviewed and accepted for publication, but before it has been typeset and formatted by the journal.
Nature Precedings was an open access electronic preprint repository of scholarly work in the fields of biomedical sciences, chemistry, and earth sciences. It ceased accepting new submissions as of April 3, 2012.
An overlay journal or overlay ejournal is a type of open access academic journal, almost always an online electronic journal (ejournal), that does not produce its own content, but selects from texts that are already freely available online. While many overlay journals derive their content from preprint servers, others, such as the Lund Medical Faculty Monthly, contain mainly papers published by commercial publishers, but with links to self-archived preprint or postprints when possible.
The Registry of Open Access Repositories (ROAR) is a searchable international database indexing the creation, location and growth of open access institutional repositories and their contents. ROAR was created by EPrints at University of Southampton, UK, in 2003. It began as the Institutional Archives Registry and was renamed Registry of Open Access Repositories in 2006. To date, over 3,000 institutional and cross-institutional repositories have been registered.
viXra is an electronic e-print archive known for unorthodox and fringe science. It was set up by independent physicist Philip Gibbs as an alternative to the dominant arXiv service operated by Cornell University. Its name comes from arXiv spelled backwards.
This is a summary of the different copyright policies of academic publishers for books, book chapters, and journal articles.
bioRxiv is an open access preprint repository for the biological sciences co-founded by John Inglis and Richard Sever in November 2013. It is hosted by the Cold Spring Harbor Laboratory (CSHL).
SocArXiv is an online paper server for the social sciences founded by sociologist Philip N. Cohen in partnership with the non-profit Center for Open Science. It is an open archive based on the ArXiv preprint server model used for the natural sciences, mathematics, and computer science. The site describes itself as an "open archive of the social sciences, [which] provides a free, non-profit, open access platform for social scientists to upload working papers, preprints, and published papers, with the option to link data and code." It also hosts papers in the areas of arts and humanities, education, and law.
The idea and practise of providing free online access to journal articles began at least a decade before the term "open access" was formally coined. Computer scientists had been self-archiving in anonymous ftp archives since the 1970s and physicists had been self-archiving in arXiv since the 1990s. The Subversive Proposal to generalize the practice was posted in 1994.
EarthArXiv is both a preprint server and a volunteer community devoted to open scholarly communication. As a preprint server, EarthArXiv publishes articles from all subdomains of Earth Science and related domains of planetary science. These publications are versions of scholarly papers that precede publication in peer-reviewed scientific journals. EarthArXiv is not itself a journal and does not evaluate the scientific quality of a paper. Instead, EarthArXiv serves as a platform for free hosting and rapid dissemination of scientific results. The EarthArXiv platform assigns each submission a Digital Object Identifier (DOI), therefore assigning provenance and making it citable in other scholarly works. EarthArXiv's mission is to promote open access, share open access and preprint resources, and participate in shared governance of the preprint server and its policies. EarthArXiv was launched on October 23, 2017.
Jessica Polka is a biochemist and the Executive Director of ASAPbio, a non-profit initiative promoting innovation and transparency via preprints and open peer review. She was one of the organizers of a recent meeting they held on scholarly communication.
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