EPUB Publications Reserved Prefixes

28 June 2016

Status of this Document

This document is subject to change at any time. The prefixes defined herein will never be removed, but may be deprecated.

Any use of the prefixes marked [DRAFT] should be considered experimental.

Deprecated prefixes are identified by the label [DEPRECATED]. These prefixes are no longer recommended for use.

Prefixes without a label are considered stable.

Requests for additions, modifications and clarifications can be made through the Issue Tracker. Pull requests are also welcome.

Overview

This document defines the set of prefixes that Reading Systems are expected to recognize when used in EPUBĀ® Package Document metadata.

For more information about prefixes, including how to declare and use them in the Package Document, please refer to Vocabulary Association Mechanisms in the Publications specification.

Prefixes

This following prefixes are defined for use in package metadata.

Prefix IRI
a11y http://www.idpf.org/epub/vocab/package/a11y/#
dcterms http://purl.org/dc/terms/
epubsc http://idpf.org/epub/vocab/sc/#
marc http://id.loc.gov/vocabulary/
media http://www.idpf.org/epub/vocab/overlays/#
onix http://www.editeur.org/ONIX/book/codelists/current.html#
rendition http://www.idpf.org/vocab/rendition/#
schema http://schema.org/
xsd http://www.w3.org/2001/XMLSchema#