Re: Tightening up Re: replace faxNumber and telephone with contactPoint

On Tue, 04 Jun 2013 21:49:16 +0500, Max Froumentin  
<> wrote:

> On 4 Jun 2013, at 14:49, Phil Barker <> wrote:
>> On 04/06/13 07:13, Dave Pawson wrote:
>>> Max was looking for a refinement (phone number to 'home phone number')
>>> Is there any convention for doing this in
>> Extensions?
> I have two problems with the Extensions section.
> 1. It says " uses the '/' character to create extensions that  
> are specializations of existing vocabulary"
>  Where do you use the '/' character?  
> isn't a valid URI,

In what sense? That you can't find anything there? (As a URI it seems  
valid to me...)

> 2. I guess I should design an extension vocabulary for my own purposes,  
> in particular for applications consuming my data who want to  
> differentiate an ElectricalEngineer from a MechanicalEngineer, for  
> instance. But if I do that, it doesn't help me with search engines who  
> don't know about my extensions. In other words, why use the specialised  
> Place/photo and not the general Thing/image, if search engines don't  
> know Place/photo ?

The dumb-down principle is not brilliant, because your case shows where it  
might or might not work depending on your goal. But at least where it  
does, it's pretty straightforward to make it happen...



Charles McCathie Nevile - Consultant (web standards) CTO Office, Yandex         Find more at

Received on Tuesday, 4 June 2013 23:58:16 UTC