Help - Versioning Content
Using the superseding relationship
All 11179 concepts, such as Data Elements or Object Classes have the ability to indicate a formal relationship to other items which supersede<div class="panel panel-warning"> <div class="panel-heading"> Always check relationships are valid </div> <div class="panel-body"> It is possible for an editor to create two items that each indicates they supersede the other, leading to a circular relationship.
While Aristotle is able to handle content created in this way without breaking, a situation like this would not be semantically correct. </div> </div>
Using the <tt>version</tt> attribute
Administered items can also be given a version marker. This can be a maximum of 20 characters long, with any form of number, letters and punctuation. An agency or registration authority should have clear rules around what make a "valid" version marker.<div class="panel panel-success"> <div class="panel-heading"> Versioning, superseding and standardisation go hand in hand. </div> <div class="panel-body"> Version markers should not replace superseding items and the standardisation process. Once an item has been made standard it should rarely need to be changed.
If a new version of an item is to be created, this can be achieved by creating a new item, with an updated version. Once the new item is standardised, these two items can then be semantically linked via the superseding option. </div> </div>