Answered By: Ask a Librarian
Last Updated: Feb 26, 2020    

DOI is an abbreviation for 'digital object identifier'. It is a string of numbers, letters and Aused to permanently identify article or document and link to it on the web.

A DOI includes two parts divided by ’/ ’. The prefix starts with '10.', then registration institution code. The suffix can be consisted of any numbers or characters, which depends on registration agency’s rules.