Extensible Rights Markup Language (XrML)

Definition - What does Extensible Rights Markup Language (XrML) mean?

Extensible Rights Markup Language (XrML) defines the rights, access conditions and other information related to digital content. XrML is based on Extensible Markup Language (XML) and standardized as a Rights Expression Language (REL) for MPEG-21.

Techopedia explains Extensible Rights Markup Language (XrML)

Mark Stefik, a Xerox PARC researcher, conceptualized the XrML language through the development of a method used to identify trusted and secure e-commerce systems. Stefik's approach was based on building a rights expression language to define user privileges for performing digital transactions on a secure platform.

Xerox PARC developed the first system-based user rights language, known as Digital Property Rights Language (DPRL). In 1994, Xerox submitted a patent application including early DPRL features. In early 1998, the patent was granted, and later that year, Xerox released the first XML version of DPRL.

Before the patent was issued, Xerox continued DPRL development and finally developed the Xerox Rights Management Group, which eventually joined forces with Microsoft and launched as ContentGuard in 2000.

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