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<!-- DFIN New ActiveDisclosure (SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2023-08-04T11:07:29.3618+00:00 -->
<!-- Copyright (c) 2023 Donnelly Financial Solutions, Inc. All Rights Reserved. -->
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  <xsd:element id="rdvt_StockIssuedDuringPeriodSharesRestrictedStockUnitsVested" name="StockIssuedDuringPeriodSharesRestrictedStockUnitsVested" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
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  <xsd:element id="rdvt_EquityLineItems" name="EquityLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
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  <xsd:element id="rdvt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndDeliveredInPeriodWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndDeliveredInPeriodWeightedAverageGrantDateFairValue" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
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  <xsd:element id="rdvt_CostOfNonCancellableDataLicensingAgreements" name="CostOfNonCancellableDataLicensingAgreements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
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  <xsd:element id="rdvt_ShareBasedCompensationAwardGrantsUnvestMinimumThresholdLimitOfGrossRevenueForVestingOfGrants" name="ShareBasedCompensationAwardGrantsUnvestMinimumThresholdLimitOfGrossRevenueForVestingOfGrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
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  <xsd:element id="rdvt_ShareBasedCompensationAwardGrantsUnvestMinimumThresholdLimitOfPositiveAdjustedEBITDAForVestingOfGrants" name="ShareBasedCompensationAwardGrantsUnvestMinimumThresholdLimitOfPositiveAdjustedEBITDAForVestingOfGrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
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  <xsd:element id="rdvt_RevenueRemainingPerformanceObligationSpecifiedPeriodOverWhichSubscriptionContractsTermsExceed" name="RevenueRemainingPerformanceObligationSpecifiedPeriodOverWhichSubscriptionContractsTermsExceed" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
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  <xsd:element id="rdvt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedNotDelivered" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedNotDelivered" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdvt_SeparationAgreementMember" name="SeparationAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
</xsd:schema>
