Revision 7649
Added by Aaron Marcuse-Kubitza over 11 years ago
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</ul> |
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<ul> |
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<li>Examples: |
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<ol> |
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<li>date + author e-mail + author-assigned name or ID<br />The date is first so that the ID column is sorted by date</li> |
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<li>institution ID + institution-assigned name or ID</li> |
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<li>web interface permalink</li> |
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<li>database host + database name + <em>permanent</em> primary key</li> |
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</ol></li> |
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</ul> |
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<p style="padding-left:2em;"><em>Note that these globally unique IDs are not the same as <a href="http://en.wikipedia.org/wiki/Globally_unique_identifier" class="external">UUIDs</a>, which are randomly generated</em></p> |
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<ul> |
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<li>Choose one ID to serve as the <em>preferred ID</em>. This becomes the database primary key.</li> |
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<li>Choose the ID which is most directly associated with the identified object: |
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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, choose the <em>shortest</em> string which is globally unique</li> |
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<li>From multiple IDs, the <em>preferred ID</em> becomes the database primary key</li> |
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<li>Use the ID which is most directly associated with the identified object</li> |
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<li>The preferred ID should be <em>human-readable</em> whenever possible. A name or date should always be used in preference to a number.</li> |
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<li>Choose the <em>shortest</em> string which satisfies the above criteria</li> |
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</ul> |
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Also available in: Unified diff
mappings/VegCore.htm: Regenerated from wiki. Moved preferred ID order to Forming IDs section as examples list. Made examples globally unique by prefixing the outer ID that scopes the value.