<?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">Ubaid</topic></authority><related type="narrower"><topic>Eridu</topic></related><related type="narrower"><topic>Hajji Muhammed</topic></related><related type="narrower"><topic>Ubaid 3</topic></related><related type="narrower"><topic>Ubaid 4</topic></related><related type="broader"><topic>prehistoric Southern Mesopotamian periods</topic></related><variant type="other"><topic>Al&apos;Ubaid</topic></variant> <note xml:lang="en"><![CDATA[ Refers to a period and culture that developed in southern Mesopotamia during the 5th millennium BCE, named after the site of Tell Al-Ubaid. The period is divided into four phases based on a sequence of pottery styles, which consist generally of a black painted, greenish buff ceramic with geometric decoration. ]]></note></mads>