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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="unqualified"
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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:complexType mixed="true" name="inferenceExtendedStringType">
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		<xs:annotation>
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			<xs:documentation>XML elements of this type are simple strings, but in cases where their
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				values have been inferred by Openaire inference algorithms, the elements features
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				some attributes describing the inference algorithm. This way it is easy to
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				understand if a value comes from the originally imported data or if it has been
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				added later for enrichment. </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:attributeGroup ref="optionalInferenceAttrGroup"/>
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			</xs:extension>
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		</xs:simpleContent>
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	</xs:complexType>
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	<xs:complexType mixed="true" name="inferenceExtendedBooleanType">
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		<xs:annotation>
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			<xs:documentation>XML elements of this type are simple booleans, but in cases where
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				their values have been inferred by Openaire inference algorithms, the elements
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				features some attributes describing the inference algorithm. This way it is easy to
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				understand if a value comes from the originally imported data or if it has been
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				added later for enrichment. </xs:documentation>
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		</xs:annotation>
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		<xs:simpleContent>
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			<xs:extension base="xs:boolean">
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				<xs:attributeGroup ref="optionalInferenceAttrGroup"/>
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			</xs:extension>
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		</xs:simpleContent>
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	</xs:complexType>
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	<xs:attributeGroup name="optionalInferenceAttrGroup">
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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="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: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:attributeGroup>
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	<!-- ///////////////////////////////////////////////////////////////////////////////////////////////////////////// -->
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	<xs:complexType mixed="true" name="classedSchemedElement">
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		<xs:attributeGroup ref="classSchemeAttrGroup"/>
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		<xs:attributeGroup ref="optionalInferenceAttrGroup"/>
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	</xs:complexType>
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	<xs:attributeGroup name="classSchemeAttrGroup">
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		<xs:attribute name="classid" use="required" type="xs:string">
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			<xs:annotation>
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				<xs:documentation>Identifier of the value in classname with respect to the
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					controlled vocabulary with id = schemeid. </xs:documentation>
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			</xs:annotation>
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		</xs:attribute>
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		<xs:attribute name="classname" use="required" type="xs:string">
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			<xs:annotation>
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				<xs:documentation>A value from the controlled vocabulary identified by schemeid.
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				</xs:documentation>
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			</xs:annotation>
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		</xs:attribute>
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		<xs:attribute name="schemeid" use="required" type="xs:string">
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			<xs:annotation>
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				<xs:documentation>Identifier of the controlled vocabulary with name schemename. To
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					see the classes included in the schema: $vocabulariesURL$/schemeid
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				</xs:documentation>
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			</xs:annotation>
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		</xs:attribute>
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		<xs:attribute name="schemename" use="required" type="xs:string">
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			<xs:annotation>
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				<xs:documentation>Name of the controlled vocabulary. </xs:documentation>
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			</xs:annotation>
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		</xs:attribute>
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	</xs:attributeGroup>
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	<xs:complexType mixed="true" name="optionalClassedSchemedElement">
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		<xs:attributeGroup ref="optionalClassSchemeAttrGroup"/>
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		<xs:attributeGroup ref="optionalInferenceAttrGroup"/>
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	</xs:complexType>
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	<xs:attributeGroup name="optionalClassSchemeAttrGroup">
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		<xs:attribute name="classid" use="optional" type="xs:string">
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			<xs:annotation>
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				<xs:documentation>Identifier of the value in classname with respect to the
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					controlled vocabulary with id = schemeid. </xs:documentation>
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			</xs:annotation>
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		</xs:attribute>
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		<xs:attribute name="classname" use="optional" type="xs:string">
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			<xs:annotation>
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				<xs:documentation>A value from the controlled vocabulary identified by schemeid.
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				</xs:documentation>
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			</xs:annotation>
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		</xs:attribute>
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		<xs:attribute name="schemeid" use="optional" type="xs:string">
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			<xs:annotation>
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				<xs:documentation>Identifier of the controlled vocabulary with name schemename. To
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					see the classes included in the schema: $vocabulariesURL$/schemeid
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				</xs:documentation>
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			</xs:annotation>
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		</xs:attribute>
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		<xs:attribute name="schemename" use="optional" type="xs:string">
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			<xs:annotation>
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				<xs:documentation>Name of the controlled vocabulary. </xs:documentation>
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			</xs:annotation>
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		</xs:attribute>
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	</xs:attributeGroup>
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	<xs:complexType name="namedIdElement">
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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="optionalInferenceAttrGroup"/>
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	</xs:complexType>
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	<xs:complexType name="labeledIdElement">
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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:attributeGroup ref="optionalInferenceAttrGroup"/>
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	</xs:complexType>
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	<xs:complexType name="datainfoType">
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		<xs:annotation>
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			<xs:documentation>Information about the provenance of this record. </xs:documentation>
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		</xs:annotation>
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		<xs:choice maxOccurs="unbounded">
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			<xs:element name="inferred" 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:element>
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			<xs:element name="deletedbyinference" type="xs:boolean">
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				<xs:annotation>
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					<xs:documentation>True if this information has been deleted 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:element>
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			<xs:element name="trust" type="xs:string">
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				<xs:annotation>
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					<xs:documentation>Value of trust of this information. Typically a value in the
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						range [0,1]. Higher the value, more trustworthy is the information.
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					</xs:documentation>
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				</xs:annotation>
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			</xs:element>
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			<xs:element name="inferenceprovenance" type="xs:string">
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				<xs:annotation>
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					<xs:documentation>The algorithm that produced this property. </xs:documentation>
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				</xs:annotation>
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			</xs:element>
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			<xs:element name="provenanceaction" type="classedSchemedElement">
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				<xs:annotation>
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					<xs:documentation>Describes the process/action that produced the
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						information.</xs:documentation>
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				</xs:annotation>
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			</xs:element>
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		</xs:choice>
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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="optionalClassedSchemedElement"/>
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				<xs:element name="websiteurl"/>
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				<xs:choice>
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					<xs:group ref="relPersonGroup"/>
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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="optionalInferenceAttrGroup"/>
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		<xs:attribute name="provenanceaction" type="xs:string"/>
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	</xs:complexType>
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	<xs:group name="relPersonGroup">
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		<xs:sequence>
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			<xs:choice minOccurs="0" maxOccurs="unbounded">
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				<xs:element name="ranking" type="xs:integer"/>
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				<xs:element name="fullname" type="xs:string"/>
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				<xs:element name="fax" type="xs:string"/>
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				<xs:element name="email" type="xs:string"/>
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				<xs:element name="phone" 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="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="datasourcetypeui" type="classedSchemedElement">
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					<xs:annotation>
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						<xs:documentation> Type of this data source to be displayed in the OpenAire
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							portal. <p>For allowed values check terms in:
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								$vocabulariesURL$/dnet:datasource_typologies </p>
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						</xs:documentation>
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					</xs:annotation>
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				</xs:element>
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				<xs:element name="datasourcetype" type="classedSchemedElement">
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					<xs:annotation>
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						<xs:documentation> Type of the related data source. <p>For allowed values
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								check codes in: $vocabulariesURL$/dnet:datasource_typologies </p>
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						</xs:documentation>
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					</xs:annotation>
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				</xs:element>
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				<xs:element name="openairecompatibility" type="classedSchemedElement">
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					<xs:annotation>
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						<xs:documentation>OpenAIRE compatibility of the data source.</xs:documentation>
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					</xs:annotation>
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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="relResultGroup">
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		<xs:sequence>
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			<xs:choice minOccurs="0" maxOccurs="unbounded">
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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="classedSchemedElement">
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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. <p>For allowed values check:
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								$vocabulariesURL$/dnet:result_typologies </p>
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						</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="optionalClassedSchemedElement">
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					<xs:annotation>
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						<xs:documentation> Type of the contract. Available if the related entity is
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							a project. <p> Allowed values depend on the actual funder of the related
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								project. Currently supported funders and corresponding contract
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								types are: <table>
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									<tr>
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										<th>Funder</th>
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										<th>Funder id</th>
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										<th>Contract types</th>
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									</tr>
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									<tr>
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										<td>FP7</td>
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										<td>corda_______::FP7</td>
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										<td>$vocabulariesURL$/ec:FP7contractTypes</td>
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									</tr>
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									<tr>
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										<td>Wellcome Trust</td>
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										<td>wt::WT</td>
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										<td>$vocabulariesURL$/wt:contractTypes</td>
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									</tr>
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								</table>
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							</p>
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						</xs:documentation>
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					</xs:annotation>
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				</xs:element>
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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="optionalClassedSchemedElement">
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					<xs:annotation>
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						<xs:documentation> Countries in ISO 3166-1 alpha-2. <p>For allowed values
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								check: $vocabulariesURL$/dnet:countries </p>
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						</xs:documentation>
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					</xs:annotation>
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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: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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				<!--  <p>See the following ontology for the available relationships: $ontologyURL$</p>-->
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				<p>Allowed relationships are: <table>
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						<tr><th>Entity types</th><th>Name of relationships</th><th>Inverse
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								of</th><th>Simmetric</th></tr>
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						<tr><td>Project --
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								Person</td><td>hasContact</td><td>isContact</td><td>no</td></tr>
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						<tr><td>Project --
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								Result</td><td>produces</td><td>isProducedBy</td><td>no</td></tr>
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						<tr><td>Project --
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								Organization</td><td>hasParticipant</td><td>isParticipant</td><td>no</td></tr>
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						<tr><td>Person --
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								Project</td><td>isContact</td><td>hasContact</td><td>no</td></tr>
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						<tr><td>Person --
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								Result</td><td>isAuthorOf</td><td>hasAuthor</td><td>no</td></tr>
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						<tr><td>Person --
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							Person</td><td>isCoauthorOf</td><td>--</td><td>yes</td></tr>
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						<tr><td>Result --
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								Person</td><td>hasAuthor</td><td>isAuthorOf</td><td>no</td></tr>
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						<tr><td>Result --
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								Project</td><td>isProducedBy</td><td>produces</td><td>no</td></tr>
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						<tr><td>Result --
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							Result</td><td>isRelatedTo</td><td>--</td><td>yes</td></tr>
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						<tr><td>Result --
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								Result</td><td>hasAmongTopNSimilarDocuments</td><td>isAmongTopNSimilarDocuments</td><td>no</td></tr>
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						<tr><td>Result --
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								Result</td><td>isAmongTopNSimilarDocuments</td><td>hasAmongTopNSimilarDocuments</td><td>no</td></tr>
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						<tr><td>Organization --
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								Datasource</td><td>isProvidedBy</td><td>provides</td><td>no</td></tr>
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						<tr><td>Organization --
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								Project</td><td>isParticpant</td><td>hasParticipant</td><td>no</td></tr>
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						<tr><td>Datasource --
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								Organization</td><td>provides</td><td>isProvidedBy</td><td>no</td></tr>
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					</table></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="scheme" use="required" type="xs:string"/>
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				<xs:attribute name="type" use="required" type="xs:string">
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					<xs:annotation>
405
						<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"/>
419
			<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="optionalClassedSchemedElement" minOccurs="0"
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				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="optionalInferenceAttrGroup"/>
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	</xs:complexType>
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	<xs:complexType name="extraInfoType">
458
		<xs:annotation>
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			<xs:documentation>Fields of this type can contain any well-formed XML, regardless of the
460
				actual structure. </xs:documentation>
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		</xs:annotation>
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		<xs:sequence>
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			<xs:any processContents="skip" minOccurs="0" maxOccurs="unbounded"/>
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		</xs:sequence>
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		<xs:attribute name="name" type="xs:string" use="required">
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			<xs:annotation>
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				<xs:documentation>Human readable label that explains the type of information we can
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					find inside this element. It corresponds to the value in the "typology"
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					attribute. </xs:documentation>
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			</xs:annotation>
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		</xs:attribute>
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		<xs:attribute name="typology" type="xs:string" use="required">
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			<xs:annotation>
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				<xs:documentation>Type of the information we can find inside this element. The
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					attribute "name" provides a human-readable label of this very same information.
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				</xs:documentation>
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			</xs:annotation>
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		</xs:attribute>
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		<xs:attribute name="provenance" type="xs:string"/>
480
		<xs:attribute name="trust" type="xs:string">
481
			<xs:annotation>
482
				<xs:documentation>Value of trust of this information. Typically a value in the range
483
					[0,1]. Higher the value, more trustworthy is the information.
484
				</xs:documentation>
485
			</xs:annotation>
486
		</xs:attribute>
487
	</xs:complexType>
488
489
490
</xs:schema>