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<?xml version="1.0" encoding="UTF-8"?>
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<chapter version="5.0" xmlns="http://docbook.org/ns/docbook" xmlns:xi="http://www.w3.org/2001/XInclude"
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xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="cha_oai_pmh" xreflabel="OAI-PMH">
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<title>Bulk access via OAI-PMH</title>
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<para>
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<warning>
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<para>The OAI-PMH publisher is not currently supporting incremental harvesting.</para>
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<para>Although the usage of the OAI parameters 'from' and 'until' is handled by the OAI publisher, the datestamps of metadata records are updated about every week.</para>
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<para>We apologise for any inconvenience this may cause to harvesters,</para>
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<para>the OpenAIRE technical team.</para>
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</warning>
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</para>
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<para>OAI-PMH is a standard protocol for metadata publishing and harvesting. For details on the
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OAI-PMH protocol please refer to the official documentation at <link
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xlink:href="http://www.openarchives.org/OAI/openarchivesprotocol.html"/></para>
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<para>The OpenAIRE OAI-PMH endpoint is <link xlink:href="http://api.openaire.eu/oai_pmh"
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/></para>
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<para>For information about the endpoint check <link
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xlink:href="http://api.openaire.eu/oai_pmh?verb=Identify"/></para>
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<para>The updated list of OAI sets is always available at: <link
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xlink:href="http://api.openaire.eu/oai_pmh?verb=ListSets"/></para>
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<para>For quick reference, we report some of the likely more interesting sets:</para>
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<simplelist>
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<member>
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<emphasis>openaire</emphasis>: the set of publications. Metadata prefixes available:
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oaf, oai_dc</member>
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<member>
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<emphasis>FP7Publications</emphasis>: the set of publications funded by EC FP7. Metadata
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prefixes available: oaf, oai_dc</member>
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<member>
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<emphasis>H2020Publications</emphasis>: the set of publications funded by EC H2020.
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Metadata prefixes available: oaf, oai_dc</member>
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<member>
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<emphasis>openaire_data</emphasis>: the set of datasets. Metadata prefixes available:
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oaf, oai_datacite</member>
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<member>
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<emphasis>OpenAccess</emphasis>: the set of all Open Access publications and datasets.
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Metadata prefixes available: oaf (return datasets and publications), oai_dc (return
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datasets and publications), oai_datacite (return datasets only)</member>
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<member>
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<emphasis>projects</emphasis>: the set of all projects. Metadata prefix available:
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oaf</member>
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<member>
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<emphasis>ECProjects</emphasis>: the set of projects funded by the European Commission
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(EC) under the programmes FP7 and H2020. Metadata prefix available: oaf</member>
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<member>
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<emphasis>FP7Projects</emphasis>: the set of projects funded by the EC Seventh Framework
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Programme. Metadata prefix available: oaf</member>
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<member>
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<emphasis>H2020Projects</emphasis>: the set of projects funded by the EC Horizn 2020
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Programme. Metadata prefix available: oaf</member>
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<member>
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<emphasis>WTProjects</emphasis>: the set of projects funded by Wellcome Trust. Metadata
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prefix available: oaf</member>
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</simplelist>
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<para>For the list of available metadata prefixes, check: <link
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xlink:href="http://api.openaire.eu/oai_pmh?verb=ListMetadataFormats"/>.</para>
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<para>Note that records will always be available in the OpenAIRE format (<link
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xlink:href="https://www.openaire.eu/schema/0.2/oaf-0.2.xsd">schema</link>, <link
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xlink:href="https://www.openaire.eu/schema/0.2/doc/oaf-0.2.html">documentation</link>).
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The availability of records in oai_dc and oai_datacite depends on the typology of
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records.</para>
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<para>Publications are avaialble in oai_dc according to the <link
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xlink:href="https://guidelines.openaire.eu/en/latest/literature/index.html"
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>OpenAIRE3.0 guidelines for literature repositories</link>.</para>
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<para>Datasets are available in oai_datacite according to the <link
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xlink:href="https://guidelines.openaire.eu/en/latest/data/index.html"
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>OpenAIRE2.0 guidelines for data archives</link>. </para>
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</chapter>
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