If there is a very wide usage of a particular external standard, then of
course, it makes sense for schema.org to refer to that standard. Note that
I say 'wide usage' not 'consensus' (among vocabulary creators).
The cost of bouncing webmasters between different namespaces is just too
high.
Guha
On Fri, May 16, 2014 at 1:22 AM, martin.hepp@ebusiness-unibw.org <
martin.hepp@ebusiness-unibw.org> wrote:
> Hi Aaraon:
>
> On 15 May 2014, at 21:24, Aaron Bradley <aaranged@gmail.com> wrote:
>
> > While I understand the rationale behind using productontology.org URIs
> I come down squarely against relying upon them in any situation where the
> class and/or properties in question are likely to be widely used by a large
> number of webmasters. I feel confident in saying that potential benefits
> of employing productontology.org URIs for something like the proposed
> platform property will ever remain potential because hardly anyone will
> employ it. schema.org's better-than-anticipated success has been
> predicated not only because it's easy to employ, but on the fact that it's
> self-contained. IMO, every time we punt to an external vocabulary we're
> shooting ourselves in the foot: I can't stress this enough (and I welcome
> Martin Hepp's input on this, both because I know he's had something to say
> about this recently in the context of his generic property/value pair
> proposal and, of course, because of his experience with
> productontology.org).
> My point on mechanisms for externalizing or deferring consensus is as
> follows:
>
> 1. When there exists consensus in an external standard, it is better to
> refer to that standard than to incorporate it into schema.org - e.g.
> currency codes, GPC classes, most enumerations.
>
> 2. When site owners are not able to easily link their data to a more
> standardized representation, it is better to allow them publishing as much
> "lightweight" semantics as possible than making it too costly for them to
> publish any data.
>
> Video game is definitely a class that should be in schema.org, whereas
> for http://www.productontology.org/doc/Action_role-playing_game, I think
> an external mechanism is a better place.
>
> Martin
>
>
>