Schema library - Crossref
The metadata that our members register with us is stored as XML, and our XML schema provides a structure and set of rules to keep everything consistent and interoperable.
If you’re using one of our helper tools, you don’t need to worry too much about the schema, as the tool you use will transform your information into XML for you. This means that if you are using one of our helper tools, you don’t need to read this section of the documentation.