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Re: schema.org weekend reading: Actions/Activities; Audience draft, and Class/Property.

From: Richard Wallis <richard.wallis@oclc.org>
Date: Mon, 03 Dec 2012 09:37:43 -0500
To: Dan Brickley <danbri@google.com>, <public-vocabs@w3.org>
CC: "Young,Jeff (OR)" <jyoung@oclc.org>, "Vizine-Goetz,Diane" <vizine@oclc.org>
Message-ID: <CCE22367.3FF2%richard.wallis@oclc.org>
Hi Dan,

Liking the Actions/Activities proposal.

Coming from the library world I would like to see some of the actions that
come from that world being represented in the emerging vocabulary proposals,
such as: loan, reserve (sometimes called 'place hold'), renew loan, return,
obtain licensed access to a resource (eg. Student on a campus to a journal

Although close to other actions like rent or buy, the actions for gaining
access to, often free at the point of use, resources via libraries,
university services, etc. is sufficiently different I believe to warrant
such representation.


On 30/11/2012 19:23, "Dan Brickley" <danbri@google.com> wrote:

> Hi folks
> A few things on the schema.org front:
> 1. Back in April there was some discussion towards an improved model
> for Actions/Activities. I have just uploaded a new work-in-progress
> document giving a first minimal version of a new approach, based on
> discussion amongst the schema.org partners. It is still in rough form
> but there should be enough to give a good impression of the thinking
> behind it. The draft describes some vocabulary structures that allow
> description of potential/possible future actions, as well as
> actions/activities that have occurred. While this touches on themes
> addressed by a variety of other efforts (including but not limited to
> RSS/Atom/ActivityStreams for past-tense 'activities'; Good Relations
> for commerce-related action opportunities; WebIntents, ...), we have
> focussed for now on describing a basic core structure that balances
> simplicity and expressiveness.
> A fairly short PDF document
> http://www.w3.org/wiki/images/7/79/Schema.orgActionsMinimaldraft.pdf
> is linked from http://www.w3.org/wiki/WebSchemas/ActivityActions
> 2. The Audience proposal; based on the RDFa schema in
> https://bitbucket.org/elderos/schemaorg/src I've built a test version
> of the schema.org site that includes the Audience proposal (see
> http://www.w3.org/wiki/WebSchemas/Audience ). The draft site is at
> http://sdo99a.appspot.com e.g. see http://sdo99a.appspot.com/Audience
> This is the second use of the HTML+RDFa+RDFS extension machinery I
> mentioned recently
> (http://lists.w3.org/Archives/Public/public-lod/2012Nov/0011.html).
> More should follow - there are quite a few proposals pretty much
> ready, so I'll first put them up as individual test sites for review.
> 3. Class/Property
> There are several cases (including the above-mentioned Actions draft)
> where it is useful within schema.org to have a first class type
> representing the notion of 'Class', and of 'Property'. This is rather
> meta and while it is not something designed for mainstream webmasters
> to encounter, it will help with structuring and documenting the
> vocabulary.
> I have written up a proposal for adding these (and aliasing them to
> rdfs:Class, rdf:Property) at
> http://www.w3.org/wiki/WebSchemas/SchemaDotOrgMetaSchema  ...alongside
> a proposal to use schema.org/domainIncludes and
> schema.org/rangeIncludes in our RDFa representation of the schema.
> Comments on any / all of the above are welcomed; ideally in the
> WebSchemas area of the W3C wiki or here on public-vocabs. If you reply
> by mail please adjust the Subject line to match your topic...
> cheers,
> Dan
Received on Monday, 3 December 2012 14:38:21 UTC

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