<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" attributeFormDefault="unqualified">
	<xs:element name="ValueChainModel">
		<xs:complexType>
			<xs:sequence>
				<xs:element name="BusinessProcess" maxOccurs="unbounded">
					<xs:complexType>
						<xs:attribute name="name" use="required"/>
						<xs:attribute name="id" type="xs:ID" use="required"/>
						<xs:attribute name="dualityRef" type="xs:IDREF" use="required"/>
					</xs:complexType>
				</xs:element>
				<xs:element name="EconomicResourceFlow" minOccurs="2" maxOccurs="unbounded">
					<xs:complexType>
						<xs:attribute name="resourceName" use="required"/>
						<xs:attribute name="resourceRef" type="xs:IDREF" use="required"/>
						<xs:attribute name="sourceBusinessProcess" type="xs:IDREF"/>
						<xs:attribute name="targetBusinessProcess" type="xs:IDREF"/>
					</xs:complexType>
				</xs:element>
			</xs:sequence>
			<xs:attribute name="name" use="required"/>
			<xs:attribute name="id" type="xs:ID" use="required"/>
		</xs:complexType>
	</xs:element>
</xs:schema>

