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What are DOIs and what benefits do they offer?

Recent years have seen an explosion in the number of scientific publications being published exclusively online, and the field of life sciences is no exception. This development highlights the importance of using a method to persistently identify online publications in order to ensure they remain traceable, searchable and citable over the long term.

URLs (Uniform Resource Locators) only describe the physical location of an object – and anyone familiar with ‘broken links’ will know how easily this can change. In contrast, persistent identifiers provide a reference to the object itself, which means that they continue to be valid even if the URL changes. This applies to all kinds of digital objects, i.e. to both text publications as well as research data. 

There are various different persistent identifiers which can be used to ensure that an item remains traceable and citable on the Internet. The best known choices are DOI, URN, OpenURL and Handle.

Why use DOI? And how is ZB MED involved?

Compared to other types of persistent identifier, the DOI system is widespread and well established in the life sciences arena, and it provides widely accepted visible proof that a publication is citable. 

By offering its DOI registration service, ZB MED facilitates and promotes not-for-profit online publications in the fields of medicine, health, and nutritional, environmental and agricultural sciences. It pursues this goal through its membership of the DataCite consortium and in cooperation with the TIB (National Library of Science and Technology, Hanover), which operates as a DOI registration agency and provides the technical infrastructure.

What type of digital content can ZB MED DOIs be assigned to?

The DOIs assigned through the DataCite system are primarily intended for research data which is produced by not-for-profit and mostly academic institutions. Research data in the realm of life sciences primarily comprises:

  • measurement data
  • observational data
  • statistical data
  • images
  • videos
  • audio data
  • sequence data

However, DataCite DOIs can also be assigned to text publications such as:

  • book chapters
  • journal articles
  • research reports
  • websites with scientific/academic contents
  • conference publications
  • posters
  • etc.

Important

Please note that DOIs can generally only be assigned to entire collections and their constituent parts – not to individual items from a collection. That means, for example, that journal publishers are welcome to use our services to obtain DOIs for the articles that appear in their journals on a regular basis. If you are an individual author who wishes to obtain a DOI for one or more articles, we would ask you to first discuss this issue with your editor or the publisher of the journal.

Contact

Katja Pletsch,

Katja Pletsch
DOI Service

Phone: +49 (0)221 478-7085
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Related links

DataCite consortium  
TIB DOI Service 
Publishing research data
DOI Service Flyer