The document describes Europeana's aggregation workflow including: - Europeana's aggregation team handles partner relationships and technical support. - Data is submitted according to Europeana's publication policy and on a monthly cycle with deadlines. - The ingestion process involves validation, mapping data to EDM, and publishing on Europeana's portal and API. - Guidance is provided to help partners meet acceptance criteria around rights, metadata quality, and the EDM schema. - Future plans aim to open up more of the ingestion workflow for partners to do mapping and validation themselves.