PRISM Advertising Namespace (prism-at:) Namespace URI = http://prismstandard.org/namespaces/prism-ad/3.0/

This is the PRISM Advertising namespace defined in the PRISM Advertising Metadata Specification (Version 3.0), and is shared across PRISM implementations.

The PRISM Specifications are developed by the PRISM Working Group as part of the IDEAlliance PRISM Metadata Initiative.

For more information about PRISM please visit the PRISM website.