Example of the “missing donor” audit.

<p>This audit appears on relevent web pages (and in JSON return from the API), alerting submitters and DCC data wranglers that this epidermal keratinocyte biosample is missing the (human) donor object from whom it was derived.</p

Software Stack.

<p>Schematic diagram of software stack showing different paths for page rendering. The most efficient rendering is with the HTML rendered on the server and the embedded documents indexed in Elasticsearch.</p

Rendering Overview.

<p>Initial page loads are rendered to HTML on the server for immediate display on the client. Once the JavaScript is fully loaded, subsequent page loads can be rendered on the client.</p

Object graph and embedding.

<p>The normalized object graph (linked set of documents) stored in PostgreSQL is framed as an expanded JSON-LD document (embedded set of documents) before indexing into Elasticsearch and rendering in JavaScript.</p