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June, 2016 · CGSpace Notes
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<h1><a href="/cgspace-notes/">CGSpace Notes</a></h1>
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<h1 class="text-primary">June, 2016</h1>
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Posted on
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<time datetime="2016-06-01T10:53:00+03:00">
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Jun 1, 2016
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<span class="post-tag small"><a href="/cgspace-notes//tags/notes">#notes</a></span>
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</header>
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<section>
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<h2 id="2016-06-01:6783872e82b68b1517e00f494e6b6504">2016-06-01</h2>
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<ul>
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<li>Experimenting with IFPRI OAI (we want to harvest their publications)</li>
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<li>After reading the <a href="https://www.oclc.org/support/services/contentdm/help/server-admin-help/oai-support.en.html">ContentDM documentation</a> I found IFPRI’s OAI endpoint: <a href="http://ebrary.ifpri.org/oai/oai.php">http://ebrary.ifpri.org/oai/oai.php</a></li>
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<li>After reading the <a href="https://www.openarchives.org/OAI/openarchivesprotocol.html">OAI documentation</a> and testing with an <a href="http://validator.oaipmh.com/">OAI validator</a> I found out how to get their publications</li>
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<li>This is their publications set: <a href="http://ebrary.ifpri.org/oai/oai.php?verb=ListRecords&from=2016-01-01&set=p15738coll2&metadataPrefix=oai_dc">http://ebrary.ifpri.org/oai/oai.php?verb=ListRecords&from=2016-01-01&set=p15738coll2&metadataPrefix=oai_dc</a></li>
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<li>You can see the others by using the OAI <code>ListSets</code> verb: <a href="http://ebrary.ifpri.org/oai/oai.php?verb=ListSets">http://ebrary.ifpri.org/oai/oai.php?verb=ListSets</a></li>
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<li>Working on second phase of metadata migration, looks like this will work for moving CPWF-specific data in <code>dc.identifier.fund</code> to <code>cg.identifier.cpwfproject</code> and then the rest to <code>dc.description.sponsorship</code></li>
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</ul>
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<pre><code>dspacetest=# update metadatavalue set metadata_field_id=130 where metadata_field_id=75 and (text_value like 'PN%' or text_value like 'PHASE%' or text_value = 'CBA' or text_value = 'IA');
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UPDATE 497
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dspacetest=# update metadatavalue set metadata_field_id=29 where metadata_field_id=75;
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UPDATE 14
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</code></pre>
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<ul>
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<li>Fix a few minor miscellaneous issues in <code>dspace.cfg</code> (<a href="https://github.com/ilri/DSpace/pull/227">#227</a>)</li>
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</ul>
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<h2 id="2016-06-02:6783872e82b68b1517e00f494e6b6504">2016-06-02</h2>
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<ul>
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<li>Testing the configuration and theme changes for the upcoming metadata migration and I found some issues with <code>cg.coverage.admin-unit</code></li>
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<li>Seems that the Browse configuration in <code>dspace.cfg</code> can’t handle the ‘-’ in the field name:</li>
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</ul>
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<pre><code>webui.browse.index.12 = subregion:metadata:cg.coverage.admin-unit:text
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</code></pre>
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<ul>
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<li>But actually, I think since DSpace 4 or 5 (we are 5.1) the Browse indexes come from Discovery (defined in discovery.xml) so this is really just a parsing error</li>
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<li>I’ve sent a message to the DSpace mailing list to ask about the Browse index definition</li>
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<li>A user was having problems with submission and from the stacktrace it looks like a Sherpa/Romeo issue</li>
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<li>I found a thread on the mailing list talking about it and there is bug report and a patch: <a href="https://jira.duraspace.org/browse/DS-2740">https://jira.duraspace.org/browse/DS-2740</a></li>
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<li>The patch applies successfully on DSpace 5.1 so I will try it later</li>
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</ul>
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<h2 id="2016-06-03:6783872e82b68b1517e00f494e6b6504">2016-06-03</h2>
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<ul>
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<li>Investigating the CCAFS authority issue, I exported the metadata for the Videos collection</li>
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<li>The top two authors are:</li>
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</ul>
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<pre><code>CGIAR Research Program on Climate Change, Agriculture and Food Security::acd00765-02f1-4b5b-92fa-bfa3877229ce::500
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CGIAR Research Program on Climate Change, Agriculture and Food Security::acd00765-02f1-4b5b-92fa-bfa3877229ce::600
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</code></pre>
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<ul>
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<li>So the only difference is the “confidence”</li>
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<li>Ok, well THAT is interesting:</li>
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</ul>
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<pre><code>dspacetest=# select text_value, authority, confidence from metadatavalue where metadata_field_id=3 and text_value like '%Orth, %';
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text_value | authority | confidence
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------------+--------------------------------------+------------
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Orth, A. | ab606e3a-2b04-4c7d-9423-14beccf54257 | -1
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Orth, A. | ab606e3a-2b04-4c7d-9423-14beccf54257 | -1
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Orth, A. | ab606e3a-2b04-4c7d-9423-14beccf54257 | -1
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Orth, Alan | | -1
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Orth, Alan | | -1
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Orth, Alan | | -1
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Orth, Alan | | -1
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Orth, A. | 05c2c622-d252-4efb-b9ed-95a07d3adf11 | -1
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Orth, A. | 05c2c622-d252-4efb-b9ed-95a07d3adf11 | -1
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Orth, A. | ab606e3a-2b04-4c7d-9423-14beccf54257 | -1
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Orth, A. | ab606e3a-2b04-4c7d-9423-14beccf54257 | -1
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Orth, Alan | ad281dbf-ef81-4007-96c3-a7f5d2eaa6d9 | 600
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Orth, Alan | ad281dbf-ef81-4007-96c3-a7f5d2eaa6d9 | 600
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(13 rows)
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</code></pre>
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<ul>
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<li>And now an actually relevent example:</li>
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</ul>
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<pre><code>dspacetest=# select count(*) from metadatavalue where metadata_field_id=3 and text_value like 'CGIAR Research Program on Climate Change, Agriculture and Food Security' and confidence = 500;
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count
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-------
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707
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(1 row)
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dspacetest=# select count(*) from metadatavalue where metadata_field_id=3 and text_value like 'CGIAR Research Program on Climate Change, Agriculture and Food Security' and confidence != 500;
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count
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-------
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253
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(1 row)
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</code></pre>
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<ul>
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<li>Trying something experimental:</li>
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</ul>
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<pre><code>dspacetest=# update metadatavalue set confidence=500 where metadata_field_id=3 and text_value like 'CGIAR Research Program on Climate Change, Agriculture and Food Security';
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UPDATE 960
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</code></pre>
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<ul>
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<li>And then re-indexing authority and Discovery…?</li>
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<li>After Discovery reindex the CCAFS authors are all together in the Authors sidebar facet</li>
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<li>The docs for the ORCiD and Authority stuff for DSpace 5 mention changing the browse indexes to use the Authority as well:</li>
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</ul>
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<pre><code>webui.browse.index.2 = author:metadataAuthority:dc.contributor.author:authority
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</code></pre>
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<ul>
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<li>That would only be for the “Browse by” function… so we’ll have to see what effect that has later</li>
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</ul>
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<h2 id="2016-06-04:6783872e82b68b1517e00f494e6b6504">2016-06-04</h2>
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<ul>
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<li>Re-sync DSpace Test with CGSpace and perform test of metadata migration again</li>
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<li>Run phase two of metadata migrations on CGSpace (see the <a href="https://gist.github.com/alanorth/1a730bec5ac9457a8fb0e3e72c98d09c">migration notes</a>)</li>
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<li>Run all system updates and reboot CGSpace server</li>
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</ul>
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<h2 id="2016-06-07:6783872e82b68b1517e00f494e6b6504">2016-06-07</h2>
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<ul>
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<li>Figured out how to export a list of the unique values from a metadata field ordered by count:</li>
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</ul>
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<pre><code>dspacetest=# \copy (select text_value, count(*) from metadatavalue where resource_type_id=2 and metadata_field_id=29 group by text_value order by count desc) to /tmp/sponsorship.csv with csv;
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</code></pre>
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<ul>
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<li><p>Identified the next round of fields to migrate:</p>
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<ul>
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<li>dc.title.jtitle → dc.source</li>
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<li>dc.crsubject.crpsubject → cg.contributor.crp</li>
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<li>dc.contributor.affiliation → cg.contributor.affiliation</li>
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<li>dc.Species → cg.species</li>
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<li>dc.contributor.corporate → dc.contributor</li>
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<li>dc.identifier.url → cg.identifier.url</li>
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<li>dc.identifier.doi → cg.identifier.doi</li>
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<li>dc.identifier.googleurl → cg.identifier.googleurl</li>
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<li>dc.identifier.dataurl → cg.identifier.dataurl</li>
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</ul></li>
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<li><p>Discuss pulling data from IFPRI’s ContentDM with Ryan Miller</p></li>
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<li><p>Looks like OAI is kinda obtuse for this, and if we use ContentDM’s API we’ll be able to access their internal field names (rather than trying to figure out how they stuffed them into various, repeated Dublin Core fields)</p></li>
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