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Re: @itemid and URL properties in schema.org

From: Toby Inkster <tai@g5n.co.uk>
Date: Wed, 9 Nov 2011 13:14:53 +0000
To: Gregg Kellogg <gregg@kellogg-assoc.com>
Cc: Jeni Tennison <jeni@jenitennison.com>, Jason Douglas <jasondouglas@google.com>, "public-vocabs@w3.org" <public-vocabs@w3.org>, Guha <guha@google.com>, Dan Brickley <danbri@danbri.org>, HTML Data Task Force WG <public-html-data-tf@w3.org>
Message-ID: <20111109131453.328d47fa@miranda.g5n.co.uk>
On Sat, 5 Nov 2011 10:43:45 -0400
Gregg Kellogg <gregg@kellogg-assoc.com> wrote:

> Alternatively, schema:url could be a subProperty of owl:sameAs, which
> after a fair amount of reasoning can yield what you want (in RDF that
> is). If schema:url really is used to designate the subject, much
> better to use @itemid in the first place.

Based on the examples at schema.org (for instance, the example at the
end of http://schema.org/Person), schema:url is basically the same as
foaf:page or rdfs:seeAlso, not owl:sameAs. Perhaps even foaf:homepage
(which is an owl:IFP, and thus an indirect identifier).

Toby A Inkster
Received on Wednesday, 9 November 2011 13:14:08 UTC

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