Accessible Registries of Rights Information and Orphan Works website:
The Public Domain Algorithm website:
The Europeana Connect project website:
EDItEUR is the international group coordinating development of the ONIX suite:
The Final Report on Digital Preservation, Orphan Works and Out of Print Works is available at
An n-gram is a subsequence of n characters from a given character sequence.
ARROW Plus - European Registries of Rights Information and Orphan Works project: