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<!-- DFS ActiveDisclosure(SM) XBRL Schema Document - http://www.dfsco.com/financial-services/ -->
<!-- Creation Date      : 2019-03-06T17:07:26.8157460+00:00 -->
<!-- Version            : 3.3.6989.14284 -->
<!-- Package ID         : 94fcfd8e8195446981908105432cc19c -->
<!-- Copyright (c) 2019 Donnelley Financial, LLC. All Rights Reserved. -->
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  <element id="rdvt_TermOfAgreementRelatedParty" name="TermOfAgreementRelatedParty" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <element id="rdvt_RenewalTermOfAgreementRelatedParty" name="RenewalTermOfAgreementRelatedParty" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <element id="rdvt_ConsultingServiceFeeMonthlyPayment" name="ConsultingServiceFeeMonthlyPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <element id="rdvt_CostOfNonCancellableDataLicensingAgreements" name="CostOfNonCancellableDataLicensingAgreements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
</schema>
