Some useful link from Europeana Pro:
2015-06-10
Metadata quality task force recommendations
http://pro.europeana.eu/publication/metadata-quality-task-force-report
Collection Development Plan
http://pro.europeana.eu/files/Europeana_Professional/Projects/Project_list/…
Re-use task force report
http://pro.europeana.eu/files/Europeana_Professional/Projects/Project_list/…