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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 describes elements and properties of OpenAIRE+ entities of
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			type result, namely: publications and datasets. </xs:documentation>
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	</xs:annotation>
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	<xs:include schemaLocation="oaf-common-0.4.xsd"/>
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	<xs:element name="result">
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		<xs:complexType>
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			<xs:choice maxOccurs="unbounded">
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				<xs:element name="subject" type="optionalClassedSchemedElement"
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					maxOccurs="unbounded">
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					<xs:annotation>
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						<xs:documentation> Subjects and keywords. <p>For allowed values check:
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								http://api.openaire.eu/vocabularies/dnet:result_subjects </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="title" type="classedSchemedElement">
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					<xs:annotation>
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						<xs:documentation> Title of this research result. <p>Different types of
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								titles are allowed: see http://api.openaire.eu/vocabularies/dnet:dataCite_title </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="contributor" type="xs:string">
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					<xs:annotation>
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						<xs:documentation>https://guidelines.openaire.eu/en/latest/literature/field_contributor.html</xs:documentation>
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					</xs:annotation>
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				</xs:element>
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				<xs:element name="dateofacceptance" type="inferenceExtendedStringType"/>
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				<xs:element name="publisher" type="inferenceExtendedStringType"/>
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				<xs:element name="resulttype" type="classedSchemedElement">
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					<xs:annotation>
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						<xs:documentation> Tells if this record is about a publication or a dataset.
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								<p>For allowed values check:
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								http://api.openaire.eu/vocabularies/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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				<xs:element name="language" type="optionalClassedSchemedElement">
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					<xs:annotation>
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						<xs:documentation> Language in ISO 639-2. <p>For allowed values check:
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								http://api.openaire.eu/vocabularies/dnet:languages</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="journal" type="journalType"/>
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				<xs:element name="description" type="xs:string" maxOccurs="unbounded"/>
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				<xs:element name="source" type="xs:string">
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					<xs:annotation>
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						<xs:documentation>The semantics of this field is inherited from dc:source in
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							Dublin Core. </xs:documentation>
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					</xs:annotation>
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				</xs:element>
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				<xs:element name="country" type="classedSchemedElement"/>
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				<xs:element name="relevantdate" type="optionalClassedSchemedElement"/>
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				<xs:element name="embargoenddate" type="xs:string"/>
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				<xs:element name="storagedate" type="xs:string"/>
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				<xs:element name="fulltext" type="inferenceExtendedStringType"/>
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				<xs:element name="resourcetype" type="optionalClassedSchemedElement">
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					<xs:annotation>
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						<xs:documentation> This field is valid only if resulttype is "dataset". It
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							expresses the nature of the dataset. <p>For allowed values check:
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								http://api.openaire.eu/vocabularies/dnet:publication_resource </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="device" type="xs:string">
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					<xs:annotation>
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						<xs:documentation> This field is valid only if resulttype is "dataset". It
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							contains information about the device used to generate the dataset.
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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="size" type="xs:string">
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					<xs:annotation>
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						<xs:documentation> This field is valid only if resulttype is "dataset". It
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							contains information about the size of the dataset. </xs:documentation>
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					</xs:annotation>
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				</xs:element>
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				<xs:element name="format" type="xs:string">
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					<xs:annotation>
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						<xs:documentation> This field is valid only if resulttype is "dataset". It
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							contains information about the format of the dataset.
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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="version" type="xs:string">
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					<xs:annotation>
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						<xs:documentation> This field is valid only if resulttype is "dataset". It
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							contains information about the version of the dataset.
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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="lastmetadataupdate" type="xs:string">
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					<xs:annotation>
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						<xs:documentation> This field is valid only if resulttype is "dataset". It
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							is the last update date of the metadata of the dataset.
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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="metadataversionnumber" type="xs:string">
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					<xs:annotation>
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						<xs:documentation> This field is valid only if resulttype is "dataset". It
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							contains information about the version of the metadata of the dataset.
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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="originalId" type="xs:string" maxOccurs="unbounded"/>
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				<xs:element name="collectedfrom" type="namedIdElement" maxOccurs="unbounded">
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					<xs:annotation>
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						<xs:documentation>Identifier and name of the datasource from which this
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							result has been collected from (e.g., "OpenDOAR"). </xs:documentation>
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					</xs:annotation>
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				</xs:element>
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				<xs:element name="pid" type="optionalClassedSchemedElement">
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					<xs:annotation>
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						<xs:documentation> Persistent identifier. <p>For allowed pid systems check:
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								http://api.openaire.eu/vocabularies/dnet:pid_types </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="bestlicense" type="classedSchemedElement">
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					<xs:annotation>
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						<xs:documentation> The best license available for this result among the
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							available licenses of its children elements. <p>For allowed values
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								check: http://api.openaire.eu/vocabularies/dnet:access_modes </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="context" type="contextType">
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					<xs:annotation>
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						<xs:documentation>Contextual information for the publication or dataset.
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							Examples are: research project and funding. </xs:documentation>
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					</xs:annotation>
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				</xs:element>
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				<xs:element name="license" type="optionalClassedSchemedElement">
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					<xs:annotation>
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						<xs:documentation>The license information for this product.</xs:documentation>
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					</xs:annotation>
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				</xs:element>
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				<!-- Fields for software -->
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				<xs:element name="documentationUrl" type="xs:string">
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					<xs:annotation>
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						<xs:documentation>Only available when resulttype is "software". URL to the software documentation.</xs:documentation>
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					</xs:annotation>
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				</xs:element>
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				<xs:element name="codeRepositoryUrl" type="xs:string">
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					<xs:annotation>
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						<xs:documentation>Only available when resulttype is "software". Please note that the name of the field may change based on the to-be-released OpenAIRE Software guidelines.</xs:documentation>
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					</xs:annotation>
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				</xs:element>
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				<xs:element name="programmingLanguage" type="optionalClassedSchemedElement">
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					<xs:annotation>
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						<xs:documentation>Only available when resulttype is "software".</xs:documentation>
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					</xs:annotation>
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				</xs:element>
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				<!-- Fields for other research product and software -->
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				<xs:element name="type" type="xs:string">
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					<xs:annotation>
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						<xs:documentation>Only available when resulttype is "other" or "software". Type of the research product or software. 
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							Possible values for this element are: web application, research object, EGI Virtual Appliance, Virtual Machine Imaga, workflow, protocol, method, research package.</xs:documentation>
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					</xs:annotation>
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				</xs:element>
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				<xs:element name="datainfo" type="datainfoType"/>
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				<xs:element name="rels" type="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:element>
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				<xs:element name="children" type="resultChildrenType"/>
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			</xs:choice>
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		</xs:complexType>
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	</xs:element>
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	<xs:complexType name="journalType">
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		<xs:annotation>
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			<xs:documentation>Journal where the publication has been published. Attributes refer to
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				electronic, printed and linking (ISSN-L) ISSN. This field is applicable when
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				resulttype is "publication". </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="eissn" use="optional"/>
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				<xs:attribute name="issn" use="optional"/>
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				<xs:attribute name="lissn" use="optional"/>
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				<xs:attribute name="iss" use="optional"/>
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				<xs:attribute name="vol" use="optional"/>
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				<xs:attribute name="sp" use="optional"/>
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				<xs:attribute name="ep" use="optional"/>
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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="contextType">
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		<xs:annotation>
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			<xs:documentation>Contextual information of the entity. Examples are: research project
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				and funding. </xs:documentation>
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		</xs:annotation>
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		<xs:complexContent>
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			<xs:extension base="labeledIdElement">
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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:attribute name="type" use="required"/>
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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="labeledIdElement">
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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:attribute name="claim" type="xs:boolean"/>
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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="labeledIdElement">
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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:attribute name="claim" type="xs:boolean"/>
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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="resultChildrenType">
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		<xs:sequence>
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			<!--<xs:choice> -->
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			<xs:element name="result" type="childrenResult" minOccurs="0" maxOccurs="unbounded"/>
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			<xs:element name="instance" type="instanceType" minOccurs="0" maxOccurs="unbounded">
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				<xs:annotation>
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					<xs:documentation>Actual digital representation of the publication or dataset.
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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="externalreference" type="externalreferenceType" minOccurs="0"
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				maxOccurs="unbounded"/>
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			<!--</xs:choice> -->
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		</xs:sequence>
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	</xs:complexType>
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	<xs:complexType name="childrenResult">
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		<xs:choice maxOccurs="unbounded">
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			<xs:element name="title" type="classedSchemedElement" maxOccurs="unbounded">
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				<xs:annotation>
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					<xs:documentation> Title of this research result. <p>Different types of titles
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							are allowed: see http://api.openaire.eu/vocabularies/dnet:dataCite_title </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="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 this record is about a publication or a dataset.
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							<p>For allowed values check: http://api.openaire.eu/vocabularies/dnet:result_typologies
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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:choice>
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		<xs:attribute name="objidentifier" use="required"/>
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	</xs:complexType>
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	<xs:complexType name="instanceType">
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		<xs:choice maxOccurs="unbounded">
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			<xs:element name="licence" type="classedSchemedElement">
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				<xs:annotation>
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					<xs:documentation> License to access this actual manifestation of the
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						publication or dataset. <p>For allowed values check:
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							http://api.openaire.eu/vocabularies/dnet:access_modes </p>
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						<p>When several instances are available for the same publication, the opener
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							license is selected as the bestlicese field in element result. </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="instancetype" type="classedSchemedElement">
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				<xs:annotation>
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					<xs:documentation> Type of the instance, for example: article, thesis, etc.
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							<p>For allowed values check: http://api.openaire.eu/vocabularies/dnet:publication_resource
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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="hostedby" type="namedIdElement" maxOccurs="1">
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				<xs:annotation>
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					<xs:documentation>Data source hosting this file. </xs:documentation>
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				</xs:annotation>
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			</xs:element>
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			<xs:element name="collectedfrom" type="namedIdElement" maxOccurs="1">
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				<xs:annotation>
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					<xs:documentation>Identifier and name of the datasource from which it has been collected from (e.g., "OpenDOAR"). </xs:documentation>
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				</xs:annotation>
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			</xs:element>
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			<xs:element name="dateofacceptance" type="inferenceExtendedStringType"/>
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			<xs:element name="webresource" type="webresourceType" minOccurs="1"
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				maxOccurs="unbounded"/>
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		</xs:choice>
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		<xs:attribute name="id" use="required"/>
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	</xs:complexType>
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	<xs:complexType name="webresourceType">
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		<xs:sequence>
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			<xs:element name="url" type="xs:string" minOccurs="1" maxOccurs="1"/>
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		</xs:sequence>
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	</xs:complexType>
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</xs:schema>
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