Re: Schema.org extensions versus core

I am referring to users of applications that consume the data (like search
engines).

guha

On Wed, May 6, 2015 at 1:50 AM, Martin Hepp <martin.hepp@unibw.de> wrote:

> Dear Guha:
> Thanks for this important guideline! One question - could you please
> clarify what you mean with:
>
> > 2. It must have at least 10m weekly users. Preferably 100m
>
> Does this refer to the number of times a type or facet is relevant for a
> search engine query? Or the total number of human visitors to the Web sites
> that implement the conceptual elements?
>
> Martin
>
>
>
> > On 06 May 2015, at 03:59, Guha <guha@google.com> wrote:
> >
> > There has been a request to clarify when something should go into an
> extension versus when something should go into the core. Here is a first
> stab at clarifying that.
> >
> > For something to be in the core, the following conditions must be
> satisfied:
> >
> > 1. There must be at least a 1000 sites that will use it. Preferably
> 10,000+
> > 2. It must have at least 10m weekly users. Preferably 100m
> > 3. The vocabulary must be relatively compact. Less than 20 terms.
> >
> > Of course, these are not hard constraints. We also recognize that
> vocabularies evolve and more usage than planned might happen. We expect
> terms or entire vocabularies to move from the extensions to core and vice
> versa.
> >
> > This is a start of the discussion.
> >
> > guha
> >
>
>
> -----------------------------------
> martin hepp  http://www.heppnetz.de
> mhepp@computer.org          @mfhepp
>
>
>
>
>