mpegra URN Definition
ISO JTC1/SC29/WG11 has published the MPEG-21 Digital Item Identification (DII) standard (ISO/IEC 21000-3:2003). This part of the standard defines Digital Items Identifiers as URIs. A registration Authority has been appointed to guarantee uniqueness of the registered identfiers. This document is the definition of the formal Uniform Resource Name (URN) Namespace Identifier (NID) for DIIs.