Your guide to Open Access publishing and Open Science

How the DOI number increases the discoverability of your book or paper?

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Just after I posted my previous piece about the open access publishing process, I realized that some parts of the process mentioned in the graph have not yet been discussed on the blog. The costs and benefits of the DOI number and connected services were in my opinion the biggest gap, so here I am filling it in.

The DOI stands for the Digital Object Identifier, and as you may have already guessed, it is a unique number, which can be assigned to any kind of digital object, such as a picture, graph, database or movie and it is used in a variety of industries. It should be clear therefore that this number is not any kind of certificate and its usage is not restricted to scientific content. Although, the DOI number makes referencing easier and scientists, after all, like references very much, they are the most prolific users of the number. Finally, the DOI database is maintained by a single organization – the International DOI Foundation, but there are several registrants of DOI numbers. One of such is CrossRef, which is an association of scholarly publishers. Thus only scholarly publishers who are a part of CrossRef can register DOI numbers for scientific content.

Having a DOI number also means being indexed in the CrossRef metadata database, which is widely used. But the DOI has one more big advantage – it is persistent and it is connected to a location in the Internet that may be variable. CrossRef stores data on the location of a paper, book, database or graph that can be updated in case of any changes. A reader trying to find your paper with a DOI number is much less likely to hit the 404 error. So, that is why a growing number of researchers use the identifier in references.

When you know the DOI of an article you can paste it into your web browser with a “http://dx.doi.org/” prefix to get, for example, “http://dx.doi.org/10.2478/acpa-2013-0010”, or search it on this website. Using this method, rather than just following links in a bibliography, you are less likely to hit the 404 error. What is more, if you do not know the DOI number of an article you can find it here. If you note it down you or save it on your computer you can go back to the article even when its location has changed.

Moreover, the DOI is used by CrossRef to track citations. Although this is not the only citation database, it is good to have your work indexed everywhere. Altmetricss also use the number and thanks to Altmetric Bookmarklet you can use alternative measures for each article in the DOI system, even if its publisher does not support it.

CrossMark is another feature offered by CrossRef and it tracks the more recent versions of an article. For example when someone downloads a pdf file of your paper and you then improve it, the reader can find the latest version by clicking on the CrossMark logo in the pdf saved on the computer. Of course this is only possible thanks to the DOI number.

As you can see the DOI number is quite useful, mostly for readers, but it can also improve the discoverability of your work and allow you to enjoy altmetrics.

The system is paid for by publishers, with an annual fee based on the company’s gross publishing revenue, and there is no way to purchase a single number. So, if you are a researcher and you want to get a DOI for your book, dataset or paper, the easiest way is to find a publisher who will offer it to you.

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