For instance, in Wikidata I noticed on the U2 band topic, that they have statements of:

P17 Country - sovereign state of this item.

P740 Location of formation - location where a group or organization was formed.

In Freebase we have basically that P740, "Place where musical career began".but not a Country property with that sort of definition.

But having "sovereign state of this item" on an instance of band, seems weird, and perhaps should not be allowed , or incompatible.  Unless the P17 Country property had an expanded definition of "sovereign state (or originating sovereign state) of this item"

1. How does Wikidata want to handle Property / Statement rule enforcement and Freebase's incompatible types ?

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 ?