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hwidmann committed Jan 31, 2018
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Expand Up @@ -25,21 +25,19 @@ <h2><a name="channels">Harvesting channels</a></h2>

<h3><a name="oai-pmh">OAI-PMH</a></h3>

OAI-PMH is the metadata harvesting protocol preferably used by EUDAT-B2FIND to fetch metadata directly from the data providers within research communities. The simplicity of the protocol allows a controlled and easy to manage transfer of metadata and only little information must be provided to enable B2FIND to perform the harvesting process :
<p>OAI-PMH is the metadata harvesting protocol preferably used by EUDAT-B2FIND to fetch metadata directly from the data providers within research communities. The simplicity of the protocol allows a controlled and easy to manage transfer of metadata and only little information must be provided to enable B2FIND to perform the harvesting process :
<ul>
<li>OAI endpoint : This is the URL of the OAI provider server on data provider site, which must be open for OAI-PMH read requests.</li>
<li>OAI mdprefix : This is the OAI acronym for the metadata schema in which the provided XML records are coded in.</li>
<li>OAI sets (optional) : It is recommended to group your records in subsets, because this simplifies the controlled harvesting.</li>
</ul>
</p>

<h4>Example</h4>
<p>To harvest all Dublincore (OAI mdprefix is <em>oai_dc</em>) from the subset <em>ANDS-Centre_1</em> of the OAI provider of DataCite (<em>oai.datacite.org/oai</em>),we submit a HTTP request with the ‘verb’ <em>ListRecords</em> and the following OAI options set :
<code>https://oai.datacite.org/oai?verb=ListRecords&metadataPrefix=oai_dc&set=ANDS.CENTRE-1</code>

<ul>
<li>

If necessary, EUDAT will help the data providers to enable OAI-PMH harvesting of their metadata. Please check also module 02 of the <href="..." > B2FIND Training materials </a>, where you find a step by step guide to setup and configure an OAI server. For a detailed documentation of the OAI-PMH protocoal we refer to <a href="http://www.openarchives.org/OAI/openarchivesprotocol.html" > http://www.openarchives.org/OAI/openarchivesprotocol.html </a> .</p>
If necessary, EUDAT will help the data providers to enable OAI-PMH harvesting of their metadata. Please check also module 02 of the <href="..." > B2FIND Training materials </a>, where you find a step by step guide to setup and configure an OAI server. For a detailed documentation of the OAI-PMH protocoal we refer to <a href="http://www.openarchives.org/OAI/openarchivesprotocol.html" > http://www.openarchives.org/OAI/openarchivesprotocol.html </a> .</p>

<h3><a name="json-api">JSON-API</a></h3>

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