- From: Guha <guha@google.com>
- Date: Mon, 30 Sep 2013 08:28:33 -0700
- To: Karen Coyle <kcoyle@kcoyle.net>
- Cc: W3C Vocabularies <public-vocabs@w3.org>
- Message-ID: <CAPAGhv_mVc1Fc41XigSutDRsDN3s4Us+RhptKFfmgHQjQqGF3g@mail.gmail.com>
I don't believe microformats have the concept of explicit types. With microdata, rdfa and json-ld, yes, you can. guha On Mon, Sep 30, 2013 at 8:16 AM, Karen Coyle <kcoyle@kcoyle.net> wrote: > I believe there was a question about using multiple types in microformat > markup which I can't find now, nor an answer. So in case I dreamed it all, > I'll rephrase it here: can one use multiple types in a microformat markup, > and could someone please provide a brief example? > > Thank you, > kc > > > On 9/26/13 5:46 AM, Vicki Tardif Holland wrote: > >> >> On Thu, Sep 26, 2013 at 8:26 AM, Martin Hepp >> <martin.hepp@ebusiness-unibw.**org <martin.hepp@ebusiness-unibw.org> >> <mailto:martin.hepp@ebusiness-**unibw.org<martin.hepp@ebusiness-unibw.org>>> >> wrote: >> >> Now, we can take at least two approaches for handling this: >> >> 1. We can use multiple supertypes, i.e. materialize a multiple >> inheritance relation (e.g. make AudioBook a subtype of both >> CreativeWorks and Product) >> 2. We can encourage the use of multiple types at markup time. >> >> I strongly recommend option #2, because >> >> - it waives the need to define relevant combinations ex ante, >> - it avoids the irritating listing of properties that are not >> relevant for most use cases, and >> - it decouples the evolution of type combinations from the evolution >> of the schema.org <http://schema.org> specification. >> >> >> >> Decoupling the evolution of type combinations from the evolution of the >> specification is an important point. If we have to serve all of the uses >> of AudioBook (or any other type) in its specification, we are going to >> end up with a tangle of multiple inheritance and/or duplicate properties >> which authors will not understand how to use. >> >> - Vicki >> >> Vicki Tardif Holland | Ontologist |vtardif@google.com >> <mailto:vtardif@google.com> >> > > -- > Karen Coyle > kcoyle@kcoyle.net http://kcoyle.net > m: 1-510-435-8234 > skype: kcoylenet > >
Received on Monday, 30 September 2013 15:29:05 UTC