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Re: Inverse properties

From: Peter F. Patel-Schneider <pfpschneider@gmail.com>
Date: Sat, 07 Jun 2014 16:02:55 -0700
Message-ID: <53939A1F.5060403@gmail.com>
To: Dan Brickley <danbri@google.com>
CC: ☮ elf Pavlik ☮ <perpetual-tripper@wwelves.org>, W3C Web Schemas Task Force <public-vocabs@w3.org>, Martin Hepp <martin.hepp@ebusiness-unibw.org>, Markus Lanthaler <markus.lanthaler@gmx.net>
On 06/07/2014 03:33 PM, Dan Brickley wrote:
> On 7 June 2014 23:23, Peter F. Patel-Schneider <pfpschneider@gmail.com> wrote:
>> The subPropertyOf is not there now, right?
>>
>> I couldn't find it in http://schema.org/docs/schema_org_rdfa.html which
>> currently reads
[...]
>
> Correct - the  various *.appspot.com versions of schema.org floating
> around here are all experimental works in progress. The current (v1.5)
> schema.org site has a prose-only notion of sub-properties.
>
>> This appears to be a significant change to schema.org, as Guha has said that
>> "[t]here is no organization of properties"
>> [http://lists.w3.org/Archives/Public/public-vocabs/2013Oct/0267.html].
>
> A sub-property structure was used in the Action-related vocabulary
> since last year,but yes this is the first time it has been integrated
> into the navigation structure of the site (or written out explicitly
> in triples). The idea with Actions was motivated in part from
> experience with the earlier Activity Streams format, and a desire to
> allow more customised terminology for different kinds of
> actions/activities.

So a property hierarchy has sort of been in schema.org since 10 August 2013.

>> Will it interact with schema.org domains and ranges in the way that I
>> suggested in
>> http://lists.w3.org/Archives/Public/public-vocabs/2014Jan/0025.html
>
> Could you couch the question in the terms of a concrete example?

Is is possible for the expected type of object to be Person and the expected 
type of collection (a subproperty of action) to be Thing?

> cheers,
>
> Dan

peter
Received on Saturday, 7 June 2014 23:03:27 UTC

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