<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by Broadridge Transform (tm) - http://www.broadridge.com -->
<!-- Created: Tue May 05 16:28:59 UTC 2026 -->
<xs:schema xmlns:ck0000919160="http://www.smartetfs.com./20251231" elementFormDefault="qualified" targetNamespace="http://www.smartetfs.com./20251231" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:us-types="http://xbrl.us/us-types/2009-01-31" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:dtr="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:xbrli="http://www.xbrl.org/2003/instance">
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="ck0000919160-20251231_lab.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="ck0000919160-20251231_pre.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="ck0000919160-20251231_def.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef"/>
    </xs:appinfo>
  </xs:annotation>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/oef/2025" schemaLocation="https://xbrl.sec.gov/oef/2025/oef-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/oef-rr/2025" schemaLocation="https://xbrl.sec.gov/oef/2025/oef-rr-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/fnd-oef/2025" schemaLocation="https://xbrl.sec.gov/fnd/2025/fnd-oef-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:element name="S000009156Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_S000009156Member"/>
  <xs:element name="S000005893Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_S000005893Member"/>
  <xs:element name="S000005894Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_S000005894Member"/>
  <xs:element name="S000005896Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_S000005896Member"/>
  <xs:element name="S000005895Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_S000005895Member"/>
  <xs:element name="S000069134Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_S000069134Member"/>
  <xs:element name="S000069135Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_S000069135Member"/>
  <xs:element name="S000097909Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_S000097909Member"/>
  <xs:element name="S000097935Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_S000097935Member"/>
  <xs:element name="S000065017Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_S000065017Member"/>
  <xs:element name="S000069963Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_S000069963Member"/>
  <xs:element name="S000097910Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_S000097910Member"/>
  <xs:element name="C000024897Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_C000024897Member"/>
  <xs:element name="C000016117Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_C000016117Member"/>
  <xs:element name="C000016118Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_C000016118Member"/>
  <xs:element name="C000016120Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_C000016120Member"/>
  <xs:element name="C000016119Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_C000016119Member"/>
  <xs:element name="C000161072Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_C000161072Member"/>
  <xs:element name="C000220961Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_C000220961Member"/>
  <xs:element name="C000220962Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_C000220962Member"/>
  <xs:element name="C000267420Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_C000267420Member"/>
  <xs:element name="C000267448Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_C000267448Member"/>
  <xs:element name="C000210495Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_C000210495Member"/>
  <xs:element name="C000222800Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_C000222800Member"/>
  <xs:element name="C000267421Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_C000267421Member"/>
  <xs:element name="AutonomousElectricVehicleRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_AutonomousElectricVehicleRiskMember"/>
  <xs:element name="TechnologyRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_TechnologyRiskMember"/>
  <xs:element name="CybersecurityRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_CybersecurityRiskMember"/>
  <xs:element name="ProductRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_ProductRiskMember"/>
  <xs:element name="ProductRegulationRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_ProductRegulationRiskMember"/>
  <xs:element name="RealEstateRelatedSecuritiesRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_RealEstateRelatedSecuritiesRiskMember"/>
  <xs:element name="InfrastructureRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_InfrastructureRiskMember"/>
  <xs:element name="ConcentrationRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_ConcentrationRiskMember"/>
  <xs:element name="DividendPayingSecuritiesRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_DividendPayingSecuritiesRiskMember"/>
  <xs:element name="USSecuritiesRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_USSecuritiesRiskMember"/>
  <xs:element name="EnergyIndustryRisksMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_EnergyIndustryRisksMember"/>
  <xs:element name="GeographicFocusRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_GeographicFocusRiskMember"/>
  <xs:element name="RisksOfInvestingInChinaAndHongKongMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_RisksOfInvestingInChinaAndHongKongMember"/>
  <xs:element name="IndustryRisksMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_IndustryRisksMember"/>
  <xs:element name="EquitySecuritiesRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_EquitySecuritiesRiskMember"/>
  <xs:element name="MarketRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_MarketRiskMember"/>
  <xs:element name="GlobalRisksMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_GlobalRisksMember"/>
  <xs:element name="RisksOfInvestingInAsiaPacificSecuritiesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_RisksOfInvestingInAsiaPacificSecuritiesMember"/>
  <xs:element name="RisksAssociatedWithInvestmentsInCompaniesOutsideTheUnitedStatesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_RisksAssociatedWithInvestmentsInCompaniesOutsideTheUnitedStatesMember"/>
  <xs:element name="InvestingInNonUSCompaniesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_InvestingInNonUSCompaniesMember"/>
  <xs:element name="EuropeanSecuritiesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_EuropeanSecuritiesMember"/>
  <xs:element name="SecuritiesOfCompaniesInAsiaMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_SecuritiesOfCompaniesInAsiaMember"/>
  <xs:element name="LegalAccountingAuditAndDisclosureMayVaryMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_LegalAccountingAuditAndDisclosureMayVaryMember"/>
  <xs:element name="CurrencyAndCurrencyExchangeRisksMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_CurrencyAndCurrencyExchangeRisksMember"/>
  <xs:element name="ForeignSecuritiesMarketRisksMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_ForeignSecuritiesMarketRisksMember"/>
  <xs:element name="EmergingMarketsRisksMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_EmergingMarketsRisksMember"/>
  <xs:element name="ExpropriationRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_ExpropriationRiskMember"/>
  <xs:element name="ManagementRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_ManagementRiskMember"/>
  <xs:element name="CapitalizationRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_CapitalizationRiskMember"/>
  <xs:element name="LiquidityRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_LiquidityRiskMember"/>
  <xs:element name="FundCybersecurityRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_FundCybersecurityRiskMember"/>
  <xs:element name="SharesMayTradeAtPricesOtherThanNAVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_SharesMayTradeAtPricesOtherThanNAVMember"/>
  <xs:element name="CashRedemptionRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_CashRedemptionRiskMember"/>
  <xs:element name="RedemptionRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_RedemptionRiskMember"/>
  <xs:element name="AbsenceOfActiveTradingMarketRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_AbsenceOfActiveTradingMarketRiskMember"/>
  <xs:element name="AuthorizedParticipantRiskMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_AuthorizedParticipantRiskMember"/>
  <xs:element name="index_MSCI_World_Index_Net_ReturnMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_index_MSCI_World_Index_Net_ReturnMember"/>
  <xs:element name="index_MSCI_AC_Asia_Pacific_ex_Japan_IndexMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_index_MSCI_AC_Asia_Pacific_ex_Japan_IndexMember"/>
  <xs:element name="index_MSCI_AC_Far_East_ex_Japan_IndexMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_index_MSCI_AC_Far_East_ex_Japan_IndexMember"/>
  <xs:element name="index_MSCI_China_Index_Net_ReturnMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_index_MSCI_China_Index_Net_ReturnMember"/>
  <xs:element name="index_MSCI_World_Energy_Index_Net_ReturnMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_index_MSCI_World_Energy_Index_Net_ReturnMember"/>
<!-- [WMV7][0fHvIQ3O9VSF/lqQeeOpDNBOG2BnM4wg/EFmusEtb7Mvpsu73oPDLj9SYXLEwaK6LhnbfWWYpdgMjDU2Wt1+N/HiRWUmEo5fuYRcAz9WkB935b75p2HXnkt5tkL11wS41+bBMsN5wIvqEDnxLflBTgG/o6sPcBdtWgR0Ef+NZbyOLDsgNfXhFkLIF3OfrvqtI2F+oVmKXxLpKjZOdqrsCTGAdvHQl+88X7SFIpWdSnNNfrLmWdXdqFZr39RkqyKSp1r66z3fY8AOooxjyzOV3G2IiHoBanlB+KM2Vy0cRSw8Epx2b2FSYjfqNpQCY+br6vAPaU0gL+lrRjRsy/AMGAxI7uT9orYwD0m/N3M=] CSR-->
  <xs:element name="index_MSCI_AC_Pacific_ex_Japan_IndexMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="ck0000919160_index_MSCI_AC_Pacific_ex_Japan_IndexMember"/>
</xs:schema>
