Sorry, but aliases are not deferred labels. We use an alias to disambiguate between properties.
I don't think we have anything that is equivalent to DCterms coverage,... At least I hope not!
An alias does not imply equivalence, not by a long shot.
On Wed, Jul 8, 2015 at 5:45 PM, Daniel Kinzler daniel.kinzler@wikimedia.de wrote:
Am 08.07.2015 um 17:34 schrieb John Erling Blad:
You asked for an example, end those are valid examples. It is even an example that use one of the most used ontologies on the net. Other examples from DCterms is coverage, which can be both temporal and spatial. We have a bunch of properties that can have an alias "DCterms coverage", a country for example or a year.
For cross-linking properties with other vocabularies, we use P1628 "Equivalent Property", not aliases. I don't see how an alias would be useful for that. P1628 allows you to specify URIs, and it is itself marked as equivalent to owl:equivalentProperty, so it can be used directly by reasoners.
Use a separate list of "deferred labels", and put the existing label on that if someone tries to edit the defined (preferred) label. That list should be unique, as it should not be possible to save a new label that already exist on the list of deferred labels. At some future point in time it can be implemented some clean up routine, but I think it will take a long time before name clashes will be a real problem.
That's the idea, yes, we just call the deferred labels "aliases".
-- Daniel Kinzler Senior Software Developer
Wikimedia Deutschland Gesellschaft zur Förderung Freien Wissens e.V.
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