<?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">Object Groupings and Systems</topic></authority><related type="narrower"><topic>systems</topic></related><related type="narrower"><topic>object groupings</topic></related><related type="broader"><topic>Objects Facet</topic></related> <note xml:lang="en"><![CDATA[ The Object Groupings and Systems hierarchy contains terms that denote a collective set of objects treated as a unit or an assembly of equipment, and systems intended to perform a specific function (e.g., suites (furniture), castor sets). Relation to other hierarchies: Terms for groupings or systems that are not object-based are found in other hierarchies, such as in the Organizations hierarchy, and under <groups of people> in the People hierarchy. ]]></note></mads>