Crossref

HOW IT IS BUILT The methods behind it PubMed Europe PMC WHAT IT CAN DO Its core abilities — — — — WHERE IT IS USED — · — — · — Crossref learns · reasons · acts
How it's built
What it can do
Where it's used

Crossref is a digital infrastructure organization that maintains a massive database of scholarly publications and their metadata—essentially a comprehensive catalog of scientific papers, books, and other research outputs. Founded in 2000, it assigns unique identifiers called Digital Object Identifiers (DOIs) to re…