Feedback on and discussion about the BIBFRAME model is encouraged and welcomed via the Bibliographic Framework Initiative discussion list.
The code running the transformation and comparison services on this website is hosted on GitHub: MARC-2-BIBFRAME
It uses the XQuery branch.
A sample of more than 10,000 MARC Bibliographic records, designed to contain records of resources related to one another. For example, movies based on books; soundtracks for movies; translations, etc.