<?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">thesauri</topic></authority><related type="narrower"><topic>multilingual thesauri</topic></related><related type="narrower"><topic>monolingual thesauri</topic></related><related type="narrower"><topic>microthesauri</topic></related><related type="other"><topic>thesaurus construction</topic></related><related type="broader"><topic>controlled vocabularies</topic></related><variant type="other"><topic>thesaurus</topic></variant><variant type="other"><topic>thesauruses</topic></variant> <note xml:lang="en"><![CDATA[ A semantic network of unique concepts, including relationships between synonyms, broader and narrower contexts, and other related concepts. Thesauri may be monolingual or multilingual. Thesauri may have the following three relationships between terms: equivalence (synonyms), hierarchical (whole/part), and associative (various types of other relationships). ]]></note></mads>