Revision 7647
Added by Aaron Marcuse-Kubitza almost 12 years ago
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<div class="wiki wiki-page"> |
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<ul class="toc right"><li><a href="#VegCore-data-dictionary">VegCore data dictionary</a><ul><li><a href="#Examples">Examples</a><ul><li><a href="#Example-specimen-data">Example specimen data</a></li></ul> |
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</li><li><a href="#Data-dictionary-notes">Data dictionary notes</a></li><li><a href="#VegCore-format-notes">VegCore format notes</a><ul><li><a href="#Forming-IDs">Forming IDs</a></li></ul> |
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</li><li><a href="#Data-dictionary-notes">Data dictionary notes</a></li><li><a href="#VegCore-format-notes">VegCore format notes</a><ul><li><a href="#Forming-IDs">Forming IDs</a></li><li><a href="#Forming-preferred-IDs">Forming preferred IDs</a></li></ul>
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</li><li><a href="#Downloads">Downloads</a></li></ul> |
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</li><li><a href="#Tables">Tables</a></li><li><a href="#Source">Source</a><ul><li><ul><li><a href="#Datasource">Datasource</a></li><li><a href="#DataProvider">DataProvider</a></li><li><a href="#Reference">Reference</a></li></ul> |
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</li><li><a href="#sourceType">sourceType</a><ul><li><a href="#referenceType">referenceType</a></li><li><a href="#aggregatorOrPrimary">aggregatorOrPrimary</a></li></ul> |
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<ul> |
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<li>An ID should always be <em>globally</em> unique to allow seamlessly combining data from arbitrary datasets</li> |
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<li>An ID must be <em>permanent</em>. Domain identifiers are usually permanent, while autogenerated primary keys often aren't.</li> |
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<li>The <em>preferred ID</em> is the <em>shortest</em> string which permanently and unambiguously identifies the record</li> |
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<li>An ID should always be <em>globally</em> unique to allow appending data from arbitrary datasets</li> |
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<li>An ID must <em>permanently</em> and <em>unambiguously</em> identify the record.<br />Domain identifiers are usually permanent, while autogenerated primary keys often aren't.</li> |
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<a name="Forming-preferred-IDs"></a> |
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<h3 style="padding-left:1em;">Forming preferred IDs<a href="#Forming-preferred-IDs" class="wiki-anchor">¶</a></h3> |
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<ul> |
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<li>The <em>preferred ID</em> is the ID which is most directly associated with the identified object.<br />Choose from ID values in the following order: |
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<ol> |
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<li>a domain identifier</li> |
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<li>a permanent URL</li> |
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<li>a <em>permanent</em> primary key</li> |
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</ol> |
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</li> |
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<li><em>Within</em> these categories, it should be the <em>shortest</em> string which is globally unique</li> |
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</ul> |
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<a name="Downloads"></a> |
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<h2 >Downloads<a href="#Downloads" class="wiki-anchor">¶</a></h2> |
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Also available in: Unified diff
mappings/VegCore.htm: Regenerated from wiki. Added section on forming preferred IDs, which are the ID which is most directly associated with the identified object.