<?xml version="1.0" encoding="us-ascii"?>
<!--XBRL document created by RR Donnelley IM Processor 6.0.0.0 using Fujitsu Interstage XWand-->
<schema targetNamespace="http://www.AllianceBernstein.com/20130104" elementFormDefault="qualified" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:abbssi2="http://www.AllianceBernstein.com/20130104" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric">
  <annotation>
    <appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="abbssi2-20130104_pre.xml" xlink:title="Presentation Links, all" 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="abbssi2-20130104_cal.xml" xlink:title="Calculation Links, all" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="abbssi2-20130104_def.xml" xlink:title="Definition Links, all" 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="abbssi2-20130104_lab.xml" xlink:title="Label Links, all" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentDocumentandEntityInformation" id="DocumentDocumentandEntityInformation">
        <link:definition>000000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnSummaryUnlabeledAllianceBernstein2000RetirementStrategy" id="DocumentRiskReturnSummaryUnlabeledAllianceBernstein2000RetirementStrategy">
        <link:definition>000011 - Document - Risk/Return Summary {Unlabeled} - AllianceBernstein 2000 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleShareholderFeesAllianceBernstein2000RetirementStrategy" id="ScheduleShareholderFeesAllianceBernstein2000RetirementStrategy">
        <link:definition>000012 - Schedule - Shareholder Fees {- AllianceBernstein 2000 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualFundOperatingExpensesAllianceBernstein2000RetirementStrategy" id="ScheduleAnnualFundOperatingExpensesAllianceBernstein2000RetirementStrategy">
        <link:definition>000013 - Schedule - Annual Fund Operating Expenses {- AllianceBernstein 2000 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleAllianceBernstein2000RetirementStrategy" id="ScheduleExpenseExampleAllianceBernstein2000RetirementStrategy">
        <link:definition>000014 - Schedule - Expense Example  {- AllianceBernstein 2000 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleNoRedemptionAllianceBernstein2000RetirementStrategy" id="ScheduleExpenseExampleNoRedemptionAllianceBernstein2000RetirementStrategy">
        <link:definition>000015 - Schedule - Expense Example, No Redemption  {- AllianceBernstein 2000 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualTotalReturnsAllianceBernstein2000RetirementStrategyBarChart" id="ScheduleAnnualTotalReturnsAllianceBernstein2000RetirementStrategyBarChart">
        <link:definition>000016 - Schedule - Annual Total Returns - AllianceBernstein 2000 Retirement Strategy [BarChart]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2000RetirementStrategy" id="ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2000RetirementStrategy">
        <link:definition>000017 - Schedule - Average Annual Total Returns {Transposed} {- AllianceBernstein 2000 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnDetailUnlabeledAllianceBernstein2000RetirementStrategy" id="DocumentRiskReturnDetailUnlabeledAllianceBernstein2000RetirementStrategy">
        <link:definition>000018 - Document - Risk/Return Detail {Unlabeled} - AllianceBernstein 2000 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DisclosureRiskReturnDetailDataElementsAllianceBernstein2000RetirementStrategy" id="DisclosureRiskReturnDetailDataElementsAllianceBernstein2000RetirementStrategy">
        <link:definition>000019 - Disclosure - Risk/Return Detail Data {Elements} - AllianceBernstein 2000 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnSummaryUnlabeledAllianceBernstein2005RetirementStrategy" id="DocumentRiskReturnSummaryUnlabeledAllianceBernstein2005RetirementStrategy">
        <link:definition>000021 - Document - Risk/Return Summary {Unlabeled} - AllianceBernstein 2005 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleShareholderFeesAllianceBernstein2005RetirementStrategy" id="ScheduleShareholderFeesAllianceBernstein2005RetirementStrategy">
        <link:definition>000022 - Schedule - Shareholder Fees {- AllianceBernstein 2005 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualFundOperatingExpensesAllianceBernstein2005RetirementStrategy" id="ScheduleAnnualFundOperatingExpensesAllianceBernstein2005RetirementStrategy">
        <link:definition>000023 - Schedule - Annual Fund Operating Expenses {- AllianceBernstein 2005 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleAllianceBernstein2005RetirementStrategy" id="ScheduleExpenseExampleAllianceBernstein2005RetirementStrategy">
        <link:definition>000024 - Schedule - Expense Example {- AllianceBernstein 2005 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleNoRedemptionAllianceBernstein2005RetirementStrategy" id="ScheduleExpenseExampleNoRedemptionAllianceBernstein2005RetirementStrategy">
        <link:definition>000025 - Schedule - Expense Example, No Redemption {- AllianceBernstein 2005 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualTotalReturnsAllianceBernstein2005RetirementStrategyBarChart" id="ScheduleAnnualTotalReturnsAllianceBernstein2005RetirementStrategyBarChart">
        <link:definition>000026 - Schedule - Annual Total Returns - AllianceBernstein 2005 Retirement Strategy [BarChart]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2005RetirementStrategy" id="ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2005RetirementStrategy">
        <link:definition>000027 - Schedule - Average Annual Total Returns {Transposed} {- AllianceBernstein 2005 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnDetailUnlabeledAllianceBernstein2005RetirementStrategy" id="DocumentRiskReturnDetailUnlabeledAllianceBernstein2005RetirementStrategy">
        <link:definition>000028 - Document - Risk/Return Detail {Unlabeled} - AllianceBernstein 2005 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DisclosureRiskReturnDetailDataElementsAllianceBernstein2005RetirementStrategy" id="DisclosureRiskReturnDetailDataElementsAllianceBernstein2005RetirementStrategy">
        <link:definition>000029 - Disclosure - Risk/Return Detail Data {Elements} - AllianceBernstein 2005 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnSummaryUnlabeledAllianceBernstein2010RetirementStrategy" id="DocumentRiskReturnSummaryUnlabeledAllianceBernstein2010RetirementStrategy">
        <link:definition>000031 - Document - Risk/Return Summary {Unlabeled} - AllianceBernstein 2010 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleShareholderFeesAllianceBernstein2010RetirementStrategy" id="ScheduleShareholderFeesAllianceBernstein2010RetirementStrategy">
        <link:definition>000032 - Schedule - Shareholder Fees {- AllianceBernstein 2010 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualFundOperatingExpensesAllianceBernstein2010RetirementStrategy" id="ScheduleAnnualFundOperatingExpensesAllianceBernstein2010RetirementStrategy">
        <link:definition>000033 - Schedule - Annual Fund Operating Expenses {- AllianceBernstein 2010 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleAllianceBernstein2010RetirementStrategy" id="ScheduleExpenseExampleAllianceBernstein2010RetirementStrategy">
        <link:definition>000034 - Schedule - Expense Example {- AllianceBernstein 2010 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleNoRedemptionAllianceBernstein2010RetirementStrategy" id="ScheduleExpenseExampleNoRedemptionAllianceBernstein2010RetirementStrategy">
        <link:definition>000035 - Schedule - Expense Example, No Redemption {- AllianceBernstein 2010 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualTotalReturnsAllianceBernstein2010RetirementStrategyBarChart" id="ScheduleAnnualTotalReturnsAllianceBernstein2010RetirementStrategyBarChart">
        <link:definition>000036 - Schedule - Annual Total Returns - AllianceBernstein 2010 Retirement Strategy [BarChart]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2010RetirementStrategy" id="ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2010RetirementStrategy">
        <link:definition>000037 - Schedule - Average Annual Total Returns {Transposed} {- AllianceBernstein 2010 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnDetailUnlabeledAllianceBernstein2010RetirementStrategy" id="DocumentRiskReturnDetailUnlabeledAllianceBernstein2010RetirementStrategy">
        <link:definition>000038 - Document - Risk/Return Detail {Unlabeled} - AllianceBernstein 2010 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DisclosureRiskReturnDetailDataElementsAllianceBernstein2010RetirementStrategy" id="DisclosureRiskReturnDetailDataElementsAllianceBernstein2010RetirementStrategy">
        <link:definition>000039 - Disclosure - Risk/Return Detail Data {Elements} - AllianceBernstein 2010 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnSummaryUnlabeledAllianceBernstein2015RetirementStrategy" id="DocumentRiskReturnSummaryUnlabeledAllianceBernstein2015RetirementStrategy">
        <link:definition>000041 - Document - Risk/Return Summary {Unlabeled} - AllianceBernstein 2015 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleShareholderFeesAllianceBernstein2015RetirementStrategy" id="ScheduleShareholderFeesAllianceBernstein2015RetirementStrategy">
        <link:definition>000042 - Schedule - Shareholder Fees {- AllianceBernstein 2015 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualFundOperatingExpensesAllianceBernstein2015RetirementStrategy" id="ScheduleAnnualFundOperatingExpensesAllianceBernstein2015RetirementStrategy">
        <link:definition>000043 - Schedule - Annual Fund Operating Expenses {- AllianceBernstein 2015 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleAllianceBernstein2015RetirementStrategy" id="ScheduleExpenseExampleAllianceBernstein2015RetirementStrategy">
        <link:definition>000044 - Schedule - Expense Example {- AllianceBernstein 2015 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleNoRedemptionAllianceBernstein2015RetirementStrategy" id="ScheduleExpenseExampleNoRedemptionAllianceBernstein2015RetirementStrategy">
        <link:definition>000045 - Schedule - Expense Example, No Redemption {- AllianceBernstein 2015 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualTotalReturnsAllianceBernstein2015RetirementStrategyBarChart" id="ScheduleAnnualTotalReturnsAllianceBernstein2015RetirementStrategyBarChart">
        <link:definition>000046 - Schedule - Annual Total Returns - AllianceBernstein 2015 Retirement Strategy [BarChart]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2015RetirementStrategy" id="ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2015RetirementStrategy">
        <link:definition>000047 - Schedule - Average Annual Total Returns {Transposed} {- AllianceBernstein 2015 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnDetailUnlabeledAllianceBernstein2015RetirementStrategy" id="DocumentRiskReturnDetailUnlabeledAllianceBernstein2015RetirementStrategy">
        <link:definition>000048 - Document - Risk/Return Detail {Unlabeled} - AllianceBernstein 2015 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DisclosureRiskReturnDetailDataElementsAllianceBernstein2015RetirementStrategy" id="DisclosureRiskReturnDetailDataElementsAllianceBernstein2015RetirementStrategy">
        <link:definition>000049 - Disclosure - Risk/Return Detail Data {Elements} - AllianceBernstein 2015 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnSummaryUnlabeledAllianceBernstein2020RetirementStrategy" id="DocumentRiskReturnSummaryUnlabeledAllianceBernstein2020RetirementStrategy">
        <link:definition>000051 - Document - Risk/Return Summary {Unlabeled} - AllianceBernstein 2020 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleShareholderFeesAllianceBernstein2020RetirementStrategy" id="ScheduleShareholderFeesAllianceBernstein2020RetirementStrategy">
        <link:definition>000052 - Schedule - Shareholder Fees {- AllianceBernstein 2020 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualFundOperatingExpensesAllianceBernstein2020RetirementStrategy" id="ScheduleAnnualFundOperatingExpensesAllianceBernstein2020RetirementStrategy">
        <link:definition>000053 - Schedule - Annual Fund Operating Expenses {- AllianceBernstein 2020 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleAllianceBernstein2020RetirementStrategy" id="ScheduleExpenseExampleAllianceBernstein2020RetirementStrategy">
        <link:definition>000054 - Schedule - Expense Example {- AllianceBernstein 2020 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleNoRedemptionAllianceBernstein2020RetirementStrategy" id="ScheduleExpenseExampleNoRedemptionAllianceBernstein2020RetirementStrategy">
        <link:definition>000055 - Schedule - Expense Example, No Redemption {- AllianceBernstein 2020 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualTotalReturnsAllianceBernstein2020RetirementStrategyBarChart" id="ScheduleAnnualTotalReturnsAllianceBernstein2020RetirementStrategyBarChart">
        <link:definition>000056 - Schedule - Annual Total Returns - AllianceBernstein 2020 Retirement Strategy [BarChart]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2020RetirementStrategy" id="ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2020RetirementStrategy">
        <link:definition>000057 - Schedule - Average Annual Total Returns {Transposed} {- AllianceBernstein 2020 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnDetailUnlabeledAllianceBernstein2020RetirementStrategy" id="DocumentRiskReturnDetailUnlabeledAllianceBernstein2020RetirementStrategy">
        <link:definition>000058 - Document - Risk/Return Detail {Unlabeled} - AllianceBernstein 2020 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DisclosureRiskReturnDetailDataElementsAllianceBernstein2020RetirementStrategy" id="DisclosureRiskReturnDetailDataElementsAllianceBernstein2020RetirementStrategy">
        <link:definition>000059 - Disclosure - Risk/Return Detail Data {Elements} - AllianceBernstein 2020 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnSummaryUnlabeledAllianceBernstein2025RetirementStrategy" id="DocumentRiskReturnSummaryUnlabeledAllianceBernstein2025RetirementStrategy">
        <link:definition>000061 - Document - Risk/Return Summary {Unlabeled} - AllianceBernstein 2025 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleShareholderFeesAllianceBernstein2025RetirementStrategy" id="ScheduleShareholderFeesAllianceBernstein2025RetirementStrategy">
        <link:definition>000062 - Schedule - Shareholder Fees {- AllianceBernstein 2025 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualFundOperatingExpensesAllianceBernstein2025RetirementStrategy" id="ScheduleAnnualFundOperatingExpensesAllianceBernstein2025RetirementStrategy">
        <link:definition>000063 - Schedule - Annual Fund Operating Expenses {- AllianceBernstein 2025 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleAllianceBernstein2025RetirementStrategy" id="ScheduleExpenseExampleAllianceBernstein2025RetirementStrategy">
        <link:definition>000064 - Schedule - Expense Example {- AllianceBernstein 2025 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleNoRedemptionAllianceBernstein2025RetirementStrategy" id="ScheduleExpenseExampleNoRedemptionAllianceBernstein2025RetirementStrategy">
        <link:definition>000065 - Schedule - Expense Example, No Redemption {- AllianceBernstein 2025 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualTotalReturnsAllianceBernstein2025RetirementStrategyBarChart" id="ScheduleAnnualTotalReturnsAllianceBernstein2025RetirementStrategyBarChart">
        <link:definition>000066 - Schedule - Annual Total Returns - AllianceBernstein 2025 Retirement Strategy [BarChart]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2025RetirementStrategy" id="ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2025RetirementStrategy">
        <link:definition>000067 - Schedule - Average Annual Total Returns {Transposed} {- AllianceBernstein 2025 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnDetailUnlabeledAllianceBernstein2025RetirementStrategy" id="DocumentRiskReturnDetailUnlabeledAllianceBernstein2025RetirementStrategy">
        <link:definition>000068 - Document - Risk/Return Detail {Unlabeled} - AllianceBernstein 2025 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DisclosureRiskReturnDetailDataElementsAllianceBernstein2025RetirementStrategy" id="DisclosureRiskReturnDetailDataElementsAllianceBernstein2025RetirementStrategy">
        <link:definition>000069 - Disclosure - Risk/Return Detail Data {Elements} - AllianceBernstein 2025 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnSummaryUnlabeledAllianceBernstein2030RetirementStrategy" id="DocumentRiskReturnSummaryUnlabeledAllianceBernstein2030RetirementStrategy">
        <link:definition>000071 - Document - Risk/Return Summary {Unlabeled} - AllianceBernstein 2030 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleShareholderFeesAllianceBernstein2030RetirementStrategy" id="ScheduleShareholderFeesAllianceBernstein2030RetirementStrategy">
        <link:definition>000072 - Schedule - Shareholder Fees {- AllianceBernstein 2030 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualFundOperatingExpensesAllianceBernstein2030RetirementStrategy" id="ScheduleAnnualFundOperatingExpensesAllianceBernstein2030RetirementStrategy">
        <link:definition>000073 - Schedule - Annual Fund Operating Expenses {- AllianceBernstein 2030 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleAllianceBernstein2030RetirementStrategy" id="ScheduleExpenseExampleAllianceBernstein2030RetirementStrategy">
        <link:definition>000074 - Schedule - Expense Example {- AllianceBernstein 2030 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleNoRedemptionAllianceBernstein2030RetirementStrategy" id="ScheduleExpenseExampleNoRedemptionAllianceBernstein2030RetirementStrategy">
        <link:definition>000075 - Schedule - Expense Example, No Redemption {- AllianceBernstein 2030 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualTotalReturnsAllianceBernstein2030RetirementStrategyBarChart" id="ScheduleAnnualTotalReturnsAllianceBernstein2030RetirementStrategyBarChart">
        <link:definition>000076 - Schedule - Annual Total Returns - AllianceBernstein 2030 Retirement Strategy [BarChart]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2030RetirementStrategy" id="ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2030RetirementStrategy">
        <link:definition>000077 - Schedule - Average Annual Total Returns {Transposed} {- AllianceBernstein 2030 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnDetailUnlabeledAllianceBernstein2030RetirementStrategy" id="DocumentRiskReturnDetailUnlabeledAllianceBernstein2030RetirementStrategy">
        <link:definition>000078 - Document - Risk/Return Detail {Unlabeled} - AllianceBernstein 2030 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DisclosureRiskReturnDetailDataElementsAllianceBernstein2030RetirementStrategy" id="DisclosureRiskReturnDetailDataElementsAllianceBernstein2030RetirementStrategy">
        <link:definition>000079 - Disclosure - Risk/Return Detail Data {Elements} - AllianceBernstein 2030 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnSummaryUnlabeledAllianceBernstein2035RetirementStrategy" id="DocumentRiskReturnSummaryUnlabeledAllianceBernstein2035RetirementStrategy">
        <link:definition>000081 - Document - Risk/Return Summary {Unlabeled} - AllianceBernstein 2035 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleShareholderFeesAllianceBernstein2035RetirementStrategy" id="ScheduleShareholderFeesAllianceBernstein2035RetirementStrategy">
        <link:definition>000082 - Schedule - Shareholder Fees {- AllianceBernstein 2035 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualFundOperatingExpensesAllianceBernstein2035RetirementStrategy" id="ScheduleAnnualFundOperatingExpensesAllianceBernstein2035RetirementStrategy">
        <link:definition>000083 - Schedule - Annual Fund Operating Expenses {- AllianceBernstein 2035 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleAllianceBernstein2035RetirementStrategy" id="ScheduleExpenseExampleAllianceBernstein2035RetirementStrategy">
        <link:definition>000084 - Schedule - Expense Example {- AllianceBernstein 2035 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleNoRedemptionAllianceBernstein2035RetirementStrategy" id="ScheduleExpenseExampleNoRedemptionAllianceBernstein2035RetirementStrategy">
        <link:definition>000085 - Schedule - Expense Example, No Redemption {- AllianceBernstein 2035 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualTotalReturnsAllianceBernstein2035RetirementStrategyBarChart" id="ScheduleAnnualTotalReturnsAllianceBernstein2035RetirementStrategyBarChart">
        <link:definition>000086 - Schedule - Annual Total Returns - AllianceBernstein 2035 Retirement Strategy [BarChart]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2035RetirementStrategy" id="ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2035RetirementStrategy">
        <link:definition>000087 - Schedule - Average Annual Total Returns {Transposed} {- AllianceBernstein 2035 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnDetailUnlabeledAllianceBernstein2035RetirementStrategy" id="DocumentRiskReturnDetailUnlabeledAllianceBernstein2035RetirementStrategy">
        <link:definition>000088 - Document - Risk/Return Detail {Unlabeled} - AllianceBernstein 2035 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DisclosureRiskReturnDetailDataElementsAllianceBernstein2035RetirementStrategy" id="DisclosureRiskReturnDetailDataElementsAllianceBernstein2035RetirementStrategy">
        <link:definition>000089 - Disclosure - Risk/Return Detail Data {Elements} - AllianceBernstein 2035 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnSummaryUnlabeledAllianceBernstein2040RetirementStrategy" id="DocumentRiskReturnSummaryUnlabeledAllianceBernstein2040RetirementStrategy">
        <link:definition>000091 - Document - Risk/Return Summary {Unlabeled} - AllianceBernstein 2040 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleShareholderFeesAllianceBernstein2040RetirementStrategy" id="ScheduleShareholderFeesAllianceBernstein2040RetirementStrategy">
        <link:definition>000092 - Schedule - Shareholder Fees {- AllianceBernstein 2040 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualFundOperatingExpensesAllianceBernstein2040RetirementStrategy" id="ScheduleAnnualFundOperatingExpensesAllianceBernstein2040RetirementStrategy">
        <link:definition>000093 - Schedule - Annual Fund Operating Expenses {- AllianceBernstein 2040 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleAllianceBernstein2040RetirementStrategy" id="ScheduleExpenseExampleAllianceBernstein2040RetirementStrategy">
        <link:definition>000094 - Schedule - Expense Example {- AllianceBernstein 2040 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleNoRedemptionAllianceBernstein2040RetirementStrategy" id="ScheduleExpenseExampleNoRedemptionAllianceBernstein2040RetirementStrategy">
        <link:definition>000095 - Schedule - Expense Example, No Redemption {- AllianceBernstein 2040 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualTotalReturnsAllianceBernstein2040RetirementStrategyBarChart" id="ScheduleAnnualTotalReturnsAllianceBernstein2040RetirementStrategyBarChart">
        <link:definition>000096 - Schedule - Annual Total Returns - AllianceBernstein 2040 Retirement Strategy [BarChart]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2040RetirementStrategy" id="ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2040RetirementStrategy">
        <link:definition>000097 - Schedule - Average Annual Total Returns {Transposed} {- AllianceBernstein 2040 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnDetailUnlabeledAllianceBernstein2040RetirementStrategy" id="DocumentRiskReturnDetailUnlabeledAllianceBernstein2040RetirementStrategy">
        <link:definition>000098 - Document - Risk/Return Detail {Unlabeled} - AllianceBernstein 2040 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DisclosureRiskReturnDetailDataElementsAllianceBernstein2040RetirementStrategy" id="DisclosureRiskReturnDetailDataElementsAllianceBernstein2040RetirementStrategy">
        <link:definition>000099 - Disclosure - Risk/Return Detail Data {Elements} - AllianceBernstein 2040 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnSummaryUnlabeledAllianceBernstein2045RetirementStrategy" id="DocumentRiskReturnSummaryUnlabeledAllianceBernstein2045RetirementStrategy">
        <link:definition>000101 - Document - Risk/Return Summary {Unlabeled} - AllianceBernstein 2045 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleShareholderFeesAllianceBernstein2045RetirementStrategy" id="ScheduleShareholderFeesAllianceBernstein2045RetirementStrategy">
        <link:definition>000102 - Schedule - Shareholder Fees {- AllianceBernstein 2045 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualFundOperatingExpensesAllianceBernstein2045RetirementStrategy" id="ScheduleAnnualFundOperatingExpensesAllianceBernstein2045RetirementStrategy">
        <link:definition>000103 - Schedule - Annual Fund Operating Expenses {- AllianceBernstein 2045 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleAllianceBernstein2045RetirementStrategy" id="ScheduleExpenseExampleAllianceBernstein2045RetirementStrategy">
        <link:definition>000104 - Schedule - Expense Example {- AllianceBernstein 2045 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleNoRedemptionAllianceBernstein2045RetirementStrategy" id="ScheduleExpenseExampleNoRedemptionAllianceBernstein2045RetirementStrategy">
        <link:definition>000105 - Schedule - Expense Example, No Redemption {- AllianceBernstein 2045 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualTotalReturnsAllianceBernstein2045RetirementStrategyBarChart" id="ScheduleAnnualTotalReturnsAllianceBernstein2045RetirementStrategyBarChart">
        <link:definition>000106 - Schedule - Annual Total Returns - AllianceBernstein 2045 Retirement Strategy [BarChart]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2045RetirementStrategy" id="ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2045RetirementStrategy">
        <link:definition>000107 - Schedule - Average Annual Total Returns {Transposed} {- AllianceBernstein 2045 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnDetailUnlabeledAllianceBernstein2045RetirementStrategy" id="DocumentRiskReturnDetailUnlabeledAllianceBernstein2045RetirementStrategy">
        <link:definition>000108 - Document - Risk/Return Detail {Unlabeled} - AllianceBernstein 2045 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DisclosureRiskReturnDetailDataElementsAllianceBernstein2045RetirementStrategy" id="DisclosureRiskReturnDetailDataElementsAllianceBernstein2045RetirementStrategy">
        <link:definition>000109 - Disclosure - Risk/Return Detail Data {Elements} - AllianceBernstein 2045 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnSummaryUnlabeledAllianceBernstein2050RetirementStrategy" id="DocumentRiskReturnSummaryUnlabeledAllianceBernstein2050RetirementStrategy">
        <link:definition>000111 - Document - Risk/Return Summary {Unlabeled} - AllianceBernstein 2050 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleShareholderFeesAllianceBernstein2050RetirementStrategy" id="ScheduleShareholderFeesAllianceBernstein2050RetirementStrategy">
        <link:definition>000112 - Schedule - Shareholder Fees {- AllianceBernstein 2050 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualFundOperatingExpensesAllianceBernstein2050RetirementStrategy" id="ScheduleAnnualFundOperatingExpensesAllianceBernstein2050RetirementStrategy">
        <link:definition>000113 - Schedule - Annual Fund Operating Expenses {- AllianceBernstein 2050 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleAllianceBernstein2050RetirementStrategy" id="ScheduleExpenseExampleAllianceBernstein2050RetirementStrategy">
        <link:definition>000114 - Schedule - Expense Example  {- AllianceBernstein 2050 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleNoRedemptionAllianceBernstein2050RetirementStrategy" id="ScheduleExpenseExampleNoRedemptionAllianceBernstein2050RetirementStrategy">
        <link:definition>000115 - Schedule - Expense Example, No Redemption  {- AllianceBernstein 2050 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualTotalReturnsAllianceBernstein2050RetirementStrategyBarChart" id="ScheduleAnnualTotalReturnsAllianceBernstein2050RetirementStrategyBarChart">
        <link:definition>000116 - Schedule - Annual Total Returns - AllianceBernstein 2050 Retirement Strategy [BarChart]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2050RetirementStrategy" id="ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstein2050RetirementStrategy">
        <link:definition>000117 - Schedule - Average Annual Total Returns {Transposed} {- AllianceBernstein 2050 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnDetailUnlabeledAllianceBernstein2050RetirementStrategy" id="DocumentRiskReturnDetailUnlabeledAllianceBernstein2050RetirementStrategy">
        <link:definition>000118 - Document - Risk/Return Detail {Unlabeled} - AllianceBernstein 2050 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DisclosureRiskReturnDetailDataElementsAllianceBernstein2050RetirementStrategy" id="DisclosureRiskReturnDetailDataElementsAllianceBernstein2050RetirementStrategy">
        <link:definition>000119 - Disclosure - Risk/Return Detail Data {Elements} - AllianceBernstein 2050 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnSummaryUnlabeledAllianceBernstien2055RetirementStrategy" id="DocumentRiskReturnSummaryUnlabeledAllianceBernstien2055RetirementStrategy">
        <link:definition>000121 - Document - Risk/Return Summary {Unlabeled} - AllianceBernstien 2055 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleShareholderFeesAllianceBernstien2055RetirementStrategy" id="ScheduleShareholderFeesAllianceBernstien2055RetirementStrategy">
        <link:definition>000122 - Schedule - Shareholder Fees {- AllianceBernstien 2055 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualFundOperatingExpensesAllianceBernstien2055RetirementStrategy" id="ScheduleAnnualFundOperatingExpensesAllianceBernstien2055RetirementStrategy">
        <link:definition>000123 - Schedule - Annual Fund Operating Expenses {- AllianceBernstien 2055 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleAllianceBernstien2055RetirementStrategy" id="ScheduleExpenseExampleAllianceBernstien2055RetirementStrategy">
        <link:definition>000124 - Schedule - Expense Example {- AllianceBernstien 2055 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleExpenseExampleNoRedemptionAllianceBernstien2055RetirementStrategy" id="ScheduleExpenseExampleNoRedemptionAllianceBernstien2055RetirementStrategy">
        <link:definition>000125 - Schedule - Expense Example, No Redemption {- AllianceBernstien 2055 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAnnualTotalReturnsAllianceBernstien2055RetirementStrategyBarChart" id="ScheduleAnnualTotalReturnsAllianceBernstien2055RetirementStrategyBarChart">
        <link:definition>000126 - Schedule - Annual Total Returns - AllianceBernstien 2055 Retirement Strategy [BarChart]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstien2055RetirementStrategy" id="ScheduleAverageAnnualTotalReturnsTransposedAllianceBernstien2055RetirementStrategy">
        <link:definition>000127 - Schedule - Average Annual Total Returns {Transposed} {- AllianceBernstien 2055 Retirement Strategy}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DocumentRiskReturnDetailUnlabeledAllianceBernstien2055RetirementStrategy" id="DocumentRiskReturnDetailUnlabeledAllianceBernstien2055RetirementStrategy">
        <link:definition>000128 - Document - Risk/Return Detail {Unlabeled} - AllianceBernstien 2055 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.AllianceBernstein.com/role/DisclosureRiskReturnDetailDataElementsAllianceBernstien2055RetirementStrategy" id="DisclosureRiskReturnDetailDataElementsAllianceBernstien2055RetirementStrategy">
        <link:definition>000129 - Disclosure - Risk/Return Detail Data {Elements} - AllianceBernstien 2055 Retirement Strategy</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</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.sec.gov/rr/2012-01-31" schemaLocation="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.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/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <element name="S000010275Member" id="abbssi2_S000010275Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028384Member" id="abbssi2_C000028384Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028381Member" id="abbssi2_C000028381Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028382Member" id="abbssi2_C000028382Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028383Member" id="abbssi2_C000028383Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028387Member" id="abbssi2_C000028387Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028386Member" id="abbssi2_C000028386Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028385Member" id="abbssi2_C000028385Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="SAndPFiveHundredStockIndexMember" id="abbssi2_SAndPFiveHundredStockIndexMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="BarclaysCapitalUsAggregateBondIndexMember" id="abbssi2_BarclaysCapitalUsAggregateBondIndexMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="CompositeBenchmarkMember" id="abbssi2_CompositeBenchmarkMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="S000010278Member" id="abbssi2_S000010278Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028405Member" id="abbssi2_C000028405Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028402Member" id="abbssi2_C000028402Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028403Member" id="abbssi2_C000028403Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028404Member" id="abbssi2_C000028404Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028408Member" id="abbssi2_C000028408Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028407Member" id="abbssi2_C000028407Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028406Member" id="abbssi2_C000028406Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="S000010279Member" id="abbssi2_S000010279Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028412Member" id="abbssi2_C000028412Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028409Member" id="abbssi2_C000028409Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028410Member" id="abbssi2_C000028410Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028411Member" id="abbssi2_C000028411Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028415Member" id="abbssi2_C000028415Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028414Member" id="abbssi2_C000028414Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028413Member" id="abbssi2_C000028413Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="S000010280Member" id="abbssi2_S000010280Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028419Member" id="abbssi2_C000028419Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028416Member" id="abbssi2_C000028416Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028417Member" id="abbssi2_C000028417Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028418Member" id="abbssi2_C000028418Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028422Member" id="abbssi2_C000028422Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028421Member" id="abbssi2_C000028421Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028420Member" id="abbssi2_C000028420Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="S000010281Member" id="abbssi2_S000010281Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028426Member" id="abbssi2_C000028426Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028423Member" id="abbssi2_C000028423Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028424Member" id="abbssi2_C000028424Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028425Member" id="abbssi2_C000028425Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028429Member" id="abbssi2_C000028429Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028428Member" id="abbssi2_C000028428Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028427Member" id="abbssi2_C000028427Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="S000010282Member" id="abbssi2_S000010282Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028433Member" id="abbssi2_C000028433Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028430Member" id="abbssi2_C000028430Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028431Member" id="abbssi2_C000028431Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028432Member" id="abbssi2_C000028432Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028436Member" id="abbssi2_C000028436Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028435Member" id="abbssi2_C000028435Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028434Member" id="abbssi2_C000028434Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="S000010283Member" id="abbssi2_S000010283Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028440Member" id="abbssi2_C000028440Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028437Member" id="abbssi2_C000028437Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028438Member" id="abbssi2_C000028438Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028439Member" id="abbssi2_C000028439Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028443Member" id="abbssi2_C000028443Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028442Member" id="abbssi2_C000028442Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028441Member" id="abbssi2_C000028441Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="S000010284Member" id="abbssi2_S000010284Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028447Member" id="abbssi2_C000028447Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028444Member" id="abbssi2_C000028444Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028445Member" id="abbssi2_C000028445Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028446Member" id="abbssi2_C000028446Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028450Member" id="abbssi2_C000028450Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028449Member" id="abbssi2_C000028449Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028448Member" id="abbssi2_C000028448Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="S000010285Member" id="abbssi2_S000010285Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028454Member" id="abbssi2_C000028454Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028451Member" id="abbssi2_C000028451Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028452Member" id="abbssi2_C000028452Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028453Member" id="abbssi2_C000028453Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028457Member" id="abbssi2_C000028457Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028456Member" id="abbssi2_C000028456Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028455Member" id="abbssi2_C000028455Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="S000010276Member" id="abbssi2_S000010276Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028388Member" id="abbssi2_C000028388Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028389Member" id="abbssi2_C000028389Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028390Member" id="abbssi2_C000028390Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028391Member" id="abbssi2_C000028391Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028392Member" id="abbssi2_C000028392Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028393Member" id="abbssi2_C000028393Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000028394Member" id="abbssi2_C000028394Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="S000017765Member" id="abbssi2_S000017765Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000049037Member" id="abbssi2_C000049037Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000049066Member" id="abbssi2_C000049066Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000049067Member" id="abbssi2_C000049067Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000049071Member" id="abbssi2_C000049071Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000049069Member" id="abbssi2_C000049069Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000049068Member" id="abbssi2_C000049068Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000049070Member" id="abbssi2_C000049070Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="S000017766Member" id="abbssi2_S000017766Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000049074Member" id="abbssi2_C000049074Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000049038Member" id="abbssi2_C000049038Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000049075Member" id="abbssi2_C000049075Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000049076Member" id="abbssi2_C000049076Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000049073Member" id="abbssi2_C000049073Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000049072Member" id="abbssi2_C000049072Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="C000049077Member" id="abbssi2_C000049077Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
</schema>
