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The Extract/Transform/Load pipeline underlying the public web API of the National Museum of Australia

License: Other

XSLT 64.34% Shell 10.95% XProc 22.28% Batchfile 0.53% Java 1.89%
lodlam etl solr sparql museum-collections

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collection-api-etl's Issues

sysctl command not found

etl-run-all.log file shows:

/usr/local/NMA-API-ETL/etl-to-fuseki-full.sh: line 23: sysctl: command not found

This is required to regularize Java memory management by eliminating memory over-commit by the kernel.

EMu image returns 404

EMu object 200017 includes an image whose name includes square brackets. The name is converted to an HTTP URL which then returns 404.

Non-unique 'Multimedia Id' field in Piction data

I found the Piction data file contains two records with the same Multimedia ID field.

xmllint --format /mnt/dams_data/solr_prod1.xml | grep MA23001503

    <field name="Multimedia ID">MA23001503</field>
    <field name="Multimedia ID">MA23001503</field>

Split source XML files to reduce XML-to-SPARQL ETL memory consumption

  • Split each source file into a folder of individual record files, using streaming file splitter.
  • Refactor XML-to-SPARQL pipeline to individually load record files from these folders, and pass to the RDF conversion XSLT.
  • Pass the record's type to the conversion XSLT as a parameter (replacing the file type recognition code in the XSLT)
  • Replace the stylesheet which marks some Piction images as preferred with equivalent SPARQL update query.

Piction IRN field contains some bogus values 

<doc>
	<field name="EMu IRN for Related Objects">.</field>
	<field name="Multimedia ID">MA62599101</field>
	<field name="Other Numbers Kind">Internal Record Number</field>
	<field name="Other Numbers Value">251805</field>
	<field name="Title">Right panel of 'Distant glimpses of the great floodplain seen through a veil of trees and hanging vines,' by John Wolseley</field>
	<dataSource type="URLDataSource" baseUrl="\\nma-isilon1\dams_data\Collectionsearch\prodderivT\DAMS_INGEST\JOBS\WM_61058358\nma-61058358-142-wm-vs1.jpg" name="thumbnail"/>
	<dataSource type="URLDataSource" baseUrl="\\nma-isilon1\dams_data\Collectionsearch\prodderivW\DAMS_INGEST\JOBS\WM_61058358\nma-61058358-142-wm-vs1.jpg" name="web"/>
	<dataSource type="URLDataSource" baseUrl="\\nma-isilon1\dams_data\Collectionsearch\prodderiv2\WM_61058358\nma-61058358-142-wm-vs1_o2.jpg" name="original_2"/>
	<dataSource type="URLDataSource" baseUrl="\\nma-isilon1\dams_data\Collectionsearch\prodderiv3\WM_61058358\nma-61058358-142-wm-vs1_o3.jpg" name="original_3"/>
	<dataSource type="URLDataSource" baseUrl="\\nma-isilon1\dams_data\Collectionsearch\prodderiv4\WM_61058358\nma-61058358-142-wm-vs1_o4.jpg" name="original_4"/>
	<dataSource type="URLDataSource" baseUrl="\\nma-isilon1\dams_data\Collectionsearch\prodderiv5\WM_61058358\nma-61058358-142-wm-vs1_o5.jpg" name="original_5"/>
</doc>

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