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Re: extensions and expected values

From: Karen Coyle <kcoyle@kcoyle.net>
Date: Fri, 26 Jul 2013 06:51:09 -0700
Message-ID: <51F27ECD.3090402@kcoyle.net>
To: public-vocabs@w3.org
Matt, the Bibliographic group is close to a proposal on audiobook [1]. 
We were thinking of using "playerType" from audioObject. Whatever 
solution you select (because it is more important for accessibility) we 
should probably incorporate by sub-classing.

[1] http://www.w3.org/community/schemabibex/wiki/Audiobook

On 7/26/13 5:44 AM, Matt Garrish wrote:
> Hello folks,
> A couple of questions which I hope aren’t too naive, but between reading
> this list and what documentation exists, it’s not always clear what best
> practices are for schema.org.
> First, should we (the accessibility metadata group) be recommending that
> people use the “/” extension mechanism for accessible book formats like
> EPUB and DAISY. The extension page notes
> “http://schema.org/EBook/KindleFormat” as an extension of the
> bookFormatType enumeration, but is that URI syntax expected to last?
> Should we instead recommend using a more basic string like “DAISY3” or
> “EPUB3” to avoid future problems, or is the use of string values with
> bookFormat problematic in itself? Recent discussions on this list have
> cast some doubts.
> And that leads to the other question we have, which is what to do when a
> needed data type doesn’t have an exact match in schema.org? If you have
> adapted a work to make it accessible and want to note that it is an
> adaptation of another, should we indicate an expected value of URL even
> though a URI is wanted, since URNs may be the only usable identifiers?
> In other words, is usage context more important than the expected value?
> For example, if I use link/@href <mailto:link/@href> for URLs and
> meta/@content <mailto:meta/@content> for URNs, does it matter that the
> expected value is URL because it’s expected that most adaptations will
> have a referenceable source on a publisher’s site?
> Thanks in advance for any insights that can be provided,
> Matt

Karen Coyle
kcoyle@kcoyle.net http://kcoyle.net
ph: 1-510-540-7596
m: 1-510-435-8234
skype: kcoylenet
Received on Friday, 26 July 2013 13:51:34 UTC

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