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The Metadata Authority Description Schema is an XML schema for an authority element set that may be used to provide metadata about agents (people, organizations), events, and terms (topics, geographics, genres, etc.). MADS serves as a companion to the Metadata Object Description Schema (MODS) to provide metadata about the authoritative entities used in MODS descriptions. The standard is maintained by the MODS/MADS Editorial Committee with the Network Development and MARC Standards Office of the Library of Congress and input from users.

URL for Resource: https://www.loc.gov/standards/mads/

Standards Creating / Publishing Body: Library of Congress

Institutional Implementation: The Library and Archives of Canada, implemented May 2010.

North Carolina state University Library, implemented March 2010.

University of Alabama Libraries, implemented Fall 2010.

Software Tools Implementing Standards: https://www.w3.org

Date of Creation: April 21, 2005

Date of Latest Revision: September 26, 2016

Cost: CHF 158,00

Current Version (Color, Name, Number): MADS version 2.1

States: Alabama, North Carolina

Date Resource Added/Modified: February 26, 2018