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Scholarly Publishing Services Guide: DOI

An overview of scholarly publishing services provided by NTU Library.

DOI

What is a DOI?

A Digital Object Identifier (DOI) is a unique alphanumeric string assigned to a digital object. A DOI links persistently to a publication so that any link or reference to it should take a user to where the article currently resides online. They are useful for citation metrics, facilitate access to content and is also a way to overcome the problem of dead links. 

Structure of a DOI

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Benefits of a DOI

  • DOIs are permanent unique identifiers assigned to publications, data, and other scholarly products.
  • DOIs make it easier for researchers’ work to be discovered, cited, and credited to them.
  • As part of the scholarly record, DOIs are indexed permanently and remain available in perpetuity.