Knowledge Base

What is a DOI?

A DOI, or Digital Object Identifier, is a unique and persistent identifier that is assigned to your dataset when it is published. It is important to use DOI when citing data to ensure the link will not break over time and to help calculate the research impact of the dataset. Purdue University is a founding member of DataCite, which has created a network of DOIs for over one million datasets.

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The Purdue University Research Repository (PURR) is a university core research facility provided by the Purdue University Libraries, the Office of the Executive Vice President for Research and Partnerships, and Information Technology at Purdue (ITaP).