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  <xs:element id="zi_PeterCameronHyzerMember" abstract="true" name="PeterCameronHyzerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="zi_BusinessCombinationContingentConsiderationEquityAmountPaid" abstract="false" name="BusinessCombinationContingentConsiderationEquityAmountPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="zi_TaxReceivableAgreementsAbstract" abstract="true" name="TaxReceivableAgreementsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="zi_VancouverWashingtonSecondPhaseMember" abstract="true" name="VancouverWashingtonSecondPhaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="zi_DeferredCostsAndOtherAssetsNetOfCurrentPortionMember" abstract="true" name="DeferredCostsAndOtherAssetsNetOfCurrentPortionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="zi_TaxReceivableAgreementsDisclosureTextBlock" abstract="false" name="TaxReceivableAgreementsDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
</xs:schema>
