<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31328274</termId><termName>synonym rings</termName><termType>PT</termType><termNote><![CDATA[ Sets of terms that are considered equivalent. ]]></termNote><termCreatedDate>2026-03-30 20:28:29</termCreatedDate><relation><relationType>UF</relationType><termId>31328275</termId><termName>synonym ring</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31309558</termId><termName>controlled vocabularies</termName><termType>PT</termType></relation></term>  </Zthes>