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<?xml version="1.0" encoding="UTF-8"?>
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<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"
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xmlns="http://namespace.openaire.eu/oaf" targetNamespace="http://namespace.openaire.eu/oaf">
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<xs:annotation>
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<xs:documentation>This schema defines common types that can be re-used.</xs:documentation>
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</xs:annotation>
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<xs:simpleType name="emptyType">
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<xs:restriction base="xs:string">
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<xs:length value="0"/>
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</xs:restriction>
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</xs:simpleType>
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<xs:simpleType name="boolOrEmptyType">
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<xs:union memberTypes="emptyType xs:boolean"/>
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</xs:simpleType>
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<xs:simpleType name="stringOrEmptyType">
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<xs:union memberTypes="emptyType xs:string"/>
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</xs:simpleType>
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<xs:attributeGroup name="dataInfoAttributeGroup">
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<xs:attribute name="inferred" use="optional" type="xs:boolean">
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<xs:annotation>
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<xs:documentation>True if this information has been inferred by the automatic
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inference algorithms run by OpenAIRE. </xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="trust" use="optional" type="xs:string">
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<xs:annotation>
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<xs:documentation>Value of trust of this information in the range [0,1]. More the
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value, more trustworthy is the information. </xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="inferenceprovenance" use="optional" type="xs:string">
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<xs:annotation>
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<xs:documentation>Which algorithm inferred the current property. </xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attributeGroup ref="qualifierAttributeGroup"></xs:attributeGroup>
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</xs:attributeGroup>
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<xs:attributeGroup name="qualifierAttributeGroup">
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<xs:attribute name="classid" use="required" type="xs:string"/>
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<xs:attribute name="classname" use="required" type="xs:string"/>
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<xs:attribute name="schemeid" use="required" type="xs:string"/>
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<xs:attribute name="schemename" use="required" type="xs:string"/>
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</xs:attributeGroup>
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<xs:complexType name="fieldType">
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<xs:simpleContent>
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<xs:extension base="xs:string">
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<xs:attributeGroup ref="dataInfoAttributeGroup"/>
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</xs:extension>
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</xs:simpleContent>
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</xs:complexType>
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<xs:complexType name="qualifierType">
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<xs:attributeGroup ref="qualifierAttributeGroup"/>
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</xs:complexType>
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<xs:complexType name="dataInfoType">
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<xs:attributeGroup ref="dataInfoAttributeGroup"/>
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</xs:complexType>
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<xs:complexType name="structuredPropertyElementType">
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<xs:simpleContent>
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<xs:extension base="xs:string">
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<xs:attributeGroup ref="qualifierAttributeGroup"/>
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<xs:attributeGroup ref="dataInfoAttributeGroup"/>
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</xs:extension>
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</xs:simpleContent>
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</xs:complexType>
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<xs:complexType name="labeledIdElementType">
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<xs:attribute name="id" use="required"/>
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<xs:attribute name="label" use="required"/>
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</xs:complexType>
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<!-- <oaf:context id="egi" label="EGI" type="community">
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<oaf:category id="egi::virtual" label="EGI virtual organizations">
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<oaf:concept id="egi::virtual::2" label="alice"/>
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</oaf:category>
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</oaf:context>
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<oaf:community id="{@id}" label="{@label}">
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<xsl:apply-templates/>
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</oaf:community>
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-->
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<xs:complexType name="contextType">
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<xs:complexContent>
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<xs:extension base="labeledIdElementType">
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<xs:sequence maxOccurs="unbounded">
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<xs:element name="category" type="categoryType"/>
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</xs:sequence>
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<xs:attributeGroup ref="dataInfoAttributeGroup"/>
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</xs:extension>
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</xs:complexContent>
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</xs:complexType>
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<xs:complexType name="categoryType">
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<xs:complexContent>
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<xs:extension base="labeledIdElementType">
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<xs:sequence minOccurs="0" maxOccurs="unbounded">
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<xs:element name="concept" type="conceptType"/>
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</xs:sequence>
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</xs:extension>
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</xs:complexContent>
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</xs:complexType>
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<xs:complexType name="conceptType">
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<xs:complexContent>
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<xs:extension base="labeledIdElementType">
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<xs:sequence maxOccurs="unbounded" minOccurs="0">
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<xs:element name="concept" type="conceptType"/>
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</xs:sequence>
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</xs:extension>
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</xs:complexContent>
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</xs:complexType>
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<xs:complexType name="namedIdElementType">
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<xs:attribute name="id" use="required"/>
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<xs:attribute name="name" use="required"/>
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<xs:attributeGroup ref="dataInfoAttributeGroup"/>
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</xs:complexType>
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<xs:complexType name="relsType">
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<xs:annotation>
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<xs:documentation>Relationships to other entities.</xs:documentation>
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</xs:annotation>
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<xs:choice maxOccurs="unbounded" minOccurs="0">
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<xs:element name="rel" type="relType" minOccurs="0"/>
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</xs:choice>
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</xs:complexType>
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<xs:complexType name="relType">
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<xs:sequence>
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<xs:choice maxOccurs="unbounded">
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<xs:element name="to" type="relToType"/>
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<xs:element name="title" type="xs:string"/>
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<xs:element name="websiteurl"/>
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<xs:choice>
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<xs:group ref="relDataSourceGroup"/>
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<xs:group ref="relResultGroup"/>
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<xs:group ref="relProjectGroup"/>
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<xs:group ref="relOrganizationGroup"/>
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<xs:group ref="fundingGroup"/>
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</xs:choice>
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</xs:choice>
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</xs:sequence>
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<xs:attributeGroup ref="dataInfoAttributeGroup"/>
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</xs:complexType>
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<xs:group name="relDataSourceGroup">
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<xs:sequence>
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<xs:choice minOccurs="0" maxOccurs="unbounded">
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<xs:element name="officialname" type="xs:string"/>
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<xs:element name="datasourcetype" type="qualifierType"/>
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</xs:choice>
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</xs:sequence>
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</xs:group>
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<xs:group name="relResultGroup">
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<xs:sequence>
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<xs:choice minOccurs="0" maxOccurs="unbounded">
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<xs:element name="collectedfrom" type="namedIdElementType"/>
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<xs:element name="url" type="xs:string"/>
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<xs:element name="pid" type="structuredPropertyElementType"/>
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<xs:element name="dateofacceptance" type="xs:string"/>
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<xs:element name="publisher" type="xs:string"/>
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<xs:element name="resulttype" type="xs:string">
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<xs:annotation>
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<xs:documentation> Tells if the related record is about a publication or a
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dataset. </xs:documentation>
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</xs:annotation>
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</xs:element>
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<!-- the following fields are available only for similarity relations -->
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<xs:element name="similarity" type="xs:double">
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<xs:annotation>
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<xs:documentation>The similarity degree expressed in the range (0,1]. This
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field is avaiable only when the to/@class is one of
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{hasAmongTopNSimilarDocuments,
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isAmongTopNSimilarDocuments}</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="type">
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<xs:annotation>
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<xs:documentation>The similarity degree expressed in the range (0,1]. This
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field is avaiable only when the to/@class is one of
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{hasAmongTopNSimilarDocuments,
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isAmongTopNSimilarDocuments}</xs:documentation>
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</xs:annotation>
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<xs:simpleType>
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<xs:restriction base="xs:string">
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<xs:enumeration value="STANDARD"/>
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<xs:enumeration value="WEBUSAGE"/>
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</xs:restriction>
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</xs:simpleType>
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</xs:element>
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</xs:choice>
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</xs:sequence>
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</xs:group>
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<xs:group name="relProjectGroup">
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<xs:sequence>
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<xs:choice minOccurs="0" maxOccurs="unbounded">
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<xs:element name="code" type="xs:string"/>
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<xs:element name="acronym" type="xs:string"/>
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</xs:choice>
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</xs:sequence>
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</xs:group>
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<xs:group name="fundingGroup">
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<xs:sequence>
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<xs:choice minOccurs="0" maxOccurs="unbounded">
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<xs:element name="contracttype" type="qualifierType"/>
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<xs:element name="funding" type="fundingFlatType"/>
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</xs:choice>
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</xs:sequence>
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</xs:group>
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<xs:group name="relOrganizationGroup">
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<xs:sequence>
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<xs:choice minOccurs="0" maxOccurs="unbounded">
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<xs:element name="legalname" type="xs:string"/>
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<xs:element name="legalshortname" type="xs:string"/>
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<xs:element name="country" type="xs:string"/>
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</xs:choice>
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</xs:sequence>
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</xs:group>
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<xs:complexType name="relToType">
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<xs:annotation>
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<xs:documentation>Information about the related entity. <p>The semantics of the
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relationships is expressed by the attributes class and scheme. </p>
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</xs:documentation>
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</xs:annotation>
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<xs:simpleContent>
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<xs:extension base="xs:string">
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<xs:attribute name="class" use="required" type="xs:string"/>
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<xs:attribute name="type" use="required" type="xs:string">
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<xs:annotation>
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<xs:documentation>The type of the related entity. <p>Allowed values are:
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project, organization, datasource, result, person.</p>
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</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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</xs:extension>
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</xs:simpleContent>
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</xs:complexType>
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<xs:complexType name="fundingFlatType">
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<xs:sequence>
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<xs:element name="funder" type="funderFlatType" minOccurs="1" maxOccurs="1"/>
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<xs:element name="funding_level_0" type="namedFundingLevel" minOccurs="0"
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maxOccurs="unbounded"/>
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<xs:element name="funding_level_1" type="namedFundingLevel" minOccurs="0"
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maxOccurs="unbounded"/>
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<xs:element name="funding_level_2" type="namedFundingLevel" minOccurs="0"
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maxOccurs="unbounded"/>
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</xs:sequence>
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</xs:complexType>
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<xs:complexType name="funderFlatType">
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<xs:simpleContent>
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<xs:extension base="xs:string">
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<xs:attribute name="id" use="required" type="xs:string"/>
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<xs:attribute name="shortname" use="required" type="xs:string"/>
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<xs:attribute name="name" use="required" type="xs:string"/>
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<xs:attribute name="jurisdiction" use="optional" type="xs:string"/>
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</xs:extension>
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</xs:simpleContent>
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</xs:complexType>
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<xs:complexType name="namedFundingLevel">
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<xs:simpleContent>
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<xs:extension base="xs:string">
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<xs:attribute name="name" use="required" type="xs:string"/>
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</xs:extension>
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</xs:simpleContent>
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</xs:complexType>
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<xs:complexType name="externalreferenceType">
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<xs:sequence>
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<xs:element name="sitename" type="xs:string" minOccurs="0" maxOccurs="1"/>
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<!--<xs:element name="label" type="xs:string" minOccurs="0" maxOccurs="1"/>-->
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<xs:element name="url" type="xs:string" minOccurs="0" maxOccurs="1"/>
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<xs:element name="qualifier" type="qualifierType" minOccurs="0" maxOccurs="1"/>
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<xs:element name="refidentifier" type="xs:string" minOccurs="0" maxOccurs="1"/>
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</xs:sequence>
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<xs:attributeGroup ref="dataInfoAttributeGroup"/>
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</xs:complexType>
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<!-- REMOVE FROM HERE TO THE END -->
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</xs:schema>
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