Object types semantics

[Markus Demleitner]

Dear Baptiste,

On Fri, Dec 03, 2021 at 11:38:00AM +0100, Baptiste Cecconi wrote:
> A recent message reminded me that we have this this object-type vocabulary. 
> 
> I checked the list quickly and it is "purely" astrophysics, and solar system is not included. It is particularly clear with: 
> https://www.ivoa.net/rdf/object-type#planet <https://www.ivoa.net/rdf/object-type#planet> 
> which explicitly refers to "extra-solar planet". 
> 
> In EPNcore, we have a list of target-type which would fit into this
> vocabulary. If you agree, we (VESPA team + SSIG) can come up with a
> merging proposal. 

Sure, sounds good -- this could, as far as I can see, sit on a branch
of its own and thus wouldn't interfere with the plan to have Simbad
as a de-facto upstream for extrasolar objects.

Thanks,

         Markus