<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">authority files</topic></authority><related type="narrower"><topic>name authority files</topic></related><related type="narrower"><topic>subject authority files</topic></related><related type="broader"><topic>files by function</topic></related><related type="broader"><topic>controlled vocabularies</topic></related><variant type="other"><topic>authority file</topic></variant><variant type="other"><topic>files, authority</topic></variant> <note xml:lang="en"><![CDATA[ Collations of terms or names that serves as a standard for cataloging purposes, particularly electronic or physical files or other groupings of authorized cataloging entries for names, subjects, or other information. An authority file is characterized by having labeled the authoritative or preferred form of the name or subject entry for a particular entity.  ]]></note></mads>