Thad Guidry, 08/01/2015 18:58:
Unless the P17 Country property had an expanded definition of "sovereign
state (or originating sovereign state) of this item"
That's more like P27. Both are rather flexible though, see their talk pages.
https://www.wikidata.org/wiki/Property_talk:P17
1. How does Wikidata want to handle Property / Statement rule
enforcement and Freebase's incompatible types ?
I'm not sure how this is an example of "incompatible" type, it sounds
more like a type Freebase didn't have. Handling such differences is
possible by tweaking property descriptions and adding constraints. P17
is already declared incompatible with "instance of: human". If you make
"music band" a subclass of "human", then this statement about U2 will be
reported by bots as a constraint violation.
2. How does Wikidata want to handle locking down Property descriptions
(Freebase uses Permissions and Owners), where the complete meaning of
something being changed might cause severe wrongful polluted data ?
There is no such thing in wikis.
http://c2.com/cgi/wiki?WikiDesignPrinciples
https://meta.wikimedia.org/wiki/The_wiki_way
The errors are corrected after the fact; the central control system is
not made of permissions, but of checks like the constraint violations
bots mentioned above. What other pollutions of the data you have in mind?
Nemo
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