<?xml version="1.0" encoding="UTF-8"?>
<!--XBRL Document Modified with Ez-Editor Version 1.0.1.6 by DataTracks on Tuesday, November 06, 2012 09:51:49 AM -->
<!--XBRL Document Modified with Ez-Editor Version 1.0.1.6 by DataTracks on Tuesday, November 06, 2012 10:25:25 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 07, 2012 04:52:36 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 07, 2012 05:03:46 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 07, 2012 05:15:28 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 07, 2012 05:17:58 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 07, 2012 05:24:39 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 07, 2012 05:29:52 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 07, 2012 02:15:42 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 07, 2012 02:21:58 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 07, 2012 03:29:06 PM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 14, 2012 04:36:43 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 14, 2012 05:06:55 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 14, 2012 05:08:01 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 14, 2012 05:13:54 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 14, 2012 05:15:50 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 14, 2012 06:51:15 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 14, 2012 06:59:12 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 14, 2012 07:26:45 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 14, 2012 07:44:46 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 14, 2012 07:45:13 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 14, 2012 08:01:42 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 14, 2012 08:02:06 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 14, 2012 08:11:08 AM -->
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Wednesday, November 14, 2012 08:18:49 AM -->
<schema targetNamespace="http://www.deltathree.com/20120930" elementFormDefault="qualified" xmlns:dddc="http://www.deltathree.com/20120930" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:us-gaap="http://fasb.org/us-gaap/2012-01-31" xmlns:country="http://xbrl.sec.gov/country/2012-01-31" xmlns:currency="http://xbrl.sec.gov/currency/2012-01-31" xmlns:dei="http://xbrl.sec.gov/dei/2012-01-31" xmlns:exch="http://xbrl.sec.gov/exch/2012-01-31" xmlns:invest="http://xbrl.sec.gov/invest/2012-01-31" xmlns:naics="http://xbrl.sec.gov/naics/2011-01-31" xmlns:sic="http://xbrl.sec.gov/sic/2011-01-31" xmlns:us-types="http://fasb.org/us-types/2012-01-31" xmlns:stpr="http://xbrl.sec.gov/stpr/2011-01-31" xmlns:deprecated="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric">
<annotation><appinfo>
<link:roleType roleURI="http://www.deltathree.com/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation">
<link:definition>001 - Document - DOCUMENT AND ENTITY INFORMATION</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.deltathree.com/role/StatementOfFinancialPositionClassified" id="StatementOfFinancialPositionClassified">
<link:definition>002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.deltathree.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSPARENTHETICAL" id="CONDENSEDCONSOLIDATEDBALANCESHEETSPARENTHETICAL">
<link:definition>003 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS [Parenthetical]</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.deltathree.com/role/StatementOfIncome" id="StatementOfIncome">
<link:definition>004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.deltathree.com/role/StatementOfCashFlowsIndirect" id="StatementOfCashFlowsIndirect">
<link:definition>005 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.deltathree.com/role/BasisOfPresentation" id="BasisOfPresentation">
<link:definition>006 - Disclosure - Basis of Presentation</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.deltathree.com/role/StockBasedCompensation" id="StockBasedCompensation">
<link:definition>007 - Disclosure - Stock-Based Compensation</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.deltathree.com/role/CommitmentsAndContingencies" id="CommitmentsAndContingencies">
<link:definition>008 - Disclosure - Commitments and Contingencies</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.deltathree.com/role/WarrantAndConvertibleNote" id="WarrantAndConvertibleNote">
<link:definition>009 - Disclosure - Warrants and Convertible Note</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.deltathree.com/role/SignificantAccountingPoliciesPolicies" id="SignificantAccountingPoliciesPolicies">
<link:definition>011 - Disclosure - Significant Accounting Policies (Policies)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.deltathree.com/role/BasisOfPresentationTables" id="BasisOfPresentationTables">
<link:definition>012 - Disclosure - Basis of Presentation (Tables)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.deltathree.com/role/BasisOfPresentationDetails" id="BasisOfPresentationDetails">
<link:definition>013 - Disclosure - Basis of Presentation (Details)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.deltathree.com/role/BasisOfPresentationDetailsTextual" id="BasisOfPresentationDetailsTextual">
<link:definition>014 - Disclosure - Basis of Presentation (Details Textual)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.deltathree.com/role/StockBasedCompensationDetailsTextual" id="StockBasedCompensationDetailsTextual">
<link:definition>015 - Disclosure - Stock-Based Compensation (Details Textual)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.deltathree.com/role/CommitmentsAndContingenciesDetailsTextual" id="CommitmentsAndContingenciesDetailsTextual">
<link:definition>016 - Disclosure - Commitments and Contingencies (Details Textual)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:linkbaseRef xlink:type="simple" xlink:href="dddc-20120930_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
<link:linkbaseRef xlink:type="simple" xlink:href="dddc-20120930_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
<link:linkbaseRef xlink:type="simple" xlink:href="dddc-20120930_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
<link:linkbaseRef xlink:type="simple" xlink:href="dddc-20120930_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"/>
<link:roleType roleURI="http://www.deltathree.com/role/SubsequentEvents" id="SubsequentEvents"><link:definition>010 - Disclosure - Subsequent Events</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
<link:roleType roleURI="http://www.deltathree.com/role/SubsequentEventsDetailsTextual" id="SubsequentEventsDetailsTextual"><link:definition>017 - Disclosure - Subsequent Events (Details Textual)</link:definition>
<link:usedOn>link:presentationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:calculationLink</link:usedOn>
</link:roleType>
</appinfo></annotation>
<import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
<import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
<import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
<import namespace="http://fasb.org/us-gaap/2012-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd"/>
<import namespace="http://xbrl.sec.gov/invest/2012-01-31" schemaLocation="http://xbrl.sec.gov/invest/2012/invest-2012-01-31.xsd"/>
<import namespace="http://xbrl.sec.gov/country/2012-01-31" schemaLocation="http://xbrl.sec.gov/country/2012/country-2012-01-31.xsd"/>
<import namespace="http://xbrl.sec.gov/currency/2012-01-31" schemaLocation="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd"/>
<import namespace="http://xbrl.sec.gov/exch/2012-01-31" schemaLocation="http://xbrl.sec.gov/exch/2012/exch-2012-01-31.xsd"/>
<import namespace="http://xbrl.sec.gov/naics/2011-01-31" schemaLocation="http://xbrl.sec.gov/naics/2011/naics-2011-01-31.xsd"/>
<import namespace="http://xbrl.sec.gov/sic/2011-01-31" schemaLocation="http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd"/>
<import namespace="http://xbrl.sec.gov/stpr/2011-01-31" schemaLocation="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd"/>
<import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd"/>
<import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd"/>
<import namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd"/>
<import namespace="http://xbrl.sec.gov/dei/2012-01-31" schemaLocation="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd"/>
<import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd"/>
<import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd"/>
<import namespace="http://fasb.org/us-types/2012-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2012/elts/us-types-2012-01-31.xsd"/>
<element name="DocumentAndEntityInformationAbstract" id="dddc_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="CondensedConsolidatedBalanceSheetsParentheticalAbstract" id="dddc_CondensedConsolidatedBalanceSheetsParentheticalAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AccrualForCommercialRentTax" id="dddc_AccrualForCommercialRentTax" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>

<element name="TaxProvision" id="dddc_TaxProvision" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="IncreaseDecreaseInSeverancePay" id="dddc_IncreaseDecreaseInSeverancePay" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="SupplementalCashFlowTotal" id="dddc_SupplementalCashFlowTotal" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="WarrantsAndConvertibleNoteAbstract" id="dddc_WarrantsAndConvertibleNoteAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="WarrantsAndConvertibleNoteTextBlock" id="dddc_WarrantsAndConvertibleNoteTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="GoingConcernPolicyPolicyTextBlock" id="dddc_GoingConcernPolicyPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ResellerMember" id="dddc_ResellerMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ResellerBMember" id="dddc_ResellerBMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AffiliateMember" id="dddc_AffiliateMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="AffiliateBMember" id="dddc_AffiliateBMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ServiceProviderMember" id="dddc_ServiceProviderMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="EntityWideAccountsReceivableMajorCustomerPercentage" id="dddc_EntityWideAccountsReceivableMajorCustomerPercentage" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
<element name="FirstLoanAgreementMember" id="dddc_FirstLoanAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="SecondLoanAgreementMember" id="dddc_SecondLoanAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ThirdLoanAgreementMember" id="dddc_ThirdLoanAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="FourthLoanAgreementMember" id="dddc_FourthLoanAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="D4HoldingsLlcMember" id="dddc_D4HoldingsLlcMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DebtConversionConvertedInstrumentWarrantsOrOptionsIssuedExercisePrice" id="dddc_DebtConversionConvertedInstrumentWarrantsOrOptionsIssuedExercisePrice" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="WorkingCapitalDeficiency" id="dddc_WorkingCapitalDeficiency" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="DeltaThreeIsraelLtdMember" id="dddc_DeltaThreeIsraelLtdMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="OperatingLeasesExpirationDate" id="dddc_OperatingLeasesExpirationDate" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
<element name="ProvisionForCommercialRentTax" id="dddc_ProvisionForCommercialRentTax" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="OperatingLeasesPeriodicPayment" id="dddc_OperatingLeasesPeriodicPayment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
<element name="NameOfAgreementAxis" id="dddc_NameOfAgreementAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" abstract="true" nillable="true"/>
<element name="NameOfAgreementDomain" id="dddc_NameOfAgreementDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" abstract="true" nillable="true"/>
<element name="ThirdAmendmentAgreementMember" id="dddc_ThirdAmendmentAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" abstract="true" nillable="true"/>

<element name="SecondloanAgreementMember" id="dddc_SecondloanAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" abstract="true" nillable="true"/>
<element name="ThirdAndFourthloanAgreementMember" id="dddc_ThirdAndFourthloanAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" abstract="true" nillable="true"/>
<element name="WarrantAgreementMember" id="dddc_WarrantAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" abstract="true" nillable="true"/>
<element name="TransactionDocumentsMember" id="dddc_TransactionDocumentsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" abstract="true" nillable="true"/>
<element name="AgreementInitiationDate" id="dddc_AgreementInitiationDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" abstract="false" nillable="true"/>
<element name="DebtInstrumentMaturityExtensionDate" id="dddc_DebtInstrumentMaturityExtensionDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" abstract="false" nillable="true"/>
<element name="WarrantExercisePriceAmended" id="dddc_WarrantExercisePriceAmended" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" abstract="false" nillable="true"/>
<element name="WarrantsExercisablePeriod" id="dddc_WarrantsExercisablePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" abstract="false" nillable="true"/>
<element name="NumberOfWarrantsIssuedToPurchaseCommonStock" id="dddc_NumberOfWarrantsIssuedToPurchaseCommonStock" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" abstract="false" nillable="true"/>
<element name="WarrantsExercisePrice" id="dddc_WarrantsExercisePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" abstract="false" nillable="true"/>
</schema>
