Re: OWL-Time - questions on Turtle file

Hi Francois, 
> Le 2 févr. 2017 à 11:12, Francois Daoust <fd@w3.org> a écrit :
> 
> 
> I do not know if there is any policy about such annotations. That seems common practice, though. I see such statements in all W3C published ontologies I checked: RDF, RDF schema, OWL, DCAT, Organization, Data Cube, vCard, ODRL, PROV, SKOS, SIOC, and Web Annotation ontologies.


Interesting point. If this is the case, we can then follow the same rule. I guess the mentioned vocabs are REC ones?! 
Something that says:
   - If a vocab is for REC, add the “rdfs:isDefinedBy” annotation.
   - If not, not a compulsory requirement. 

It could be interesting to also check what happens for all the vocabs published under W3C (see a list here [1] according to LOV )

Ghislain 

[1] http://lov.okfn.org/dataset/lov/agents/W3C <http://lov.okfn.org/dataset/lov/agents/W3C> 
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