FREYA addresses the problem of Persistent Identifiers (PID), or long-lasting reference to a document, as studies show that within a few years of being cited, a high percentage of web addresses expire. FREYA's goal is to create a robust environment to protect PIDs.
Project website: project-freya.eu/en
Twitter account: Project FREYA
FREYA Blog: project-freya.eu/Plone/en/news/blog