Browse an extensive registry of schemas and extend any schema class to create a schema that is right for you
Browse our schemasRegister and manage your brand new schema with us. The DDE provides easy ways to visualize and update your contributions.
Visualize your schemaTest and generate structured metadata based on any schema registered within the DDE.
Create metadataValidate existing metadata or metadata created on-the-fly against any schema registered in the DDE.
Validate metadataThe DDE provides various portals to support biomedical projects by offering a suite of tools for creating, maintaining, and sharing structured metadata.
Apply to get your project added to the DDE.
Explore PortalsSearch existing schemas and extend any class to create a schema that's right for you
Search existing schemas and extend any class to create a schema that's right for you
Browse registered structured metadata created using our schemas
Browse registered structured metadata created using our schemas