Re: RDFa API - uniting bnode, uri and projected objects

Hi Toby,

I really like this idea.  From my point of view, we should
make it so.

Ben

Toby Inkster schrieb:
> This is a proposal to create a superclass of blank nodes and URI
> references; and provide some extra methods and attributes on this
> superclass to make the current Projection interface unneeded.
>
> For want of a better term, I'll call this superclass "Resource" as
> it's analogous to an rdfs:Resource.
>
> interface Resource {
>   readonly attribute DOMString value;
>   readonly attribute Node element;
>   readonly attribute Sequence[URI] properties;
>   [NameGetter] Sequence[any] get (in DOMString name);
> }
>
> The rdfa.extractObject/rdfa.project method would no longer be needed.
>
> Given a page containing:
>
> 	<a vocab="http://xmlns.com/foaf/0.1/"
> 	   about="#me" typeof="Person"
> 	   rel="homepage" href="http://example.net/"
>            property="name" content="Joe Bloggs">
> 	    <span property="http://purl.org/dc/terms/title"
> 	       >Joe's World of Fun</span>	
> 	</a>
>
> A script could do something like this:
>
> 	>>> joe = new URI("#me");
> 	>>> joe = new Resource("#me"); /* either works */
> 	>>> name = joe['http://xmlns.com/foaf/0.1/name'][0];
> 	>>> /* name is a PlainLiteral object */
> 	>>> print(name);
> 	Joe Bloggs
> 	>>> page = joe['http://xmlns.com/foaf/0.1/homepage'][0];
> 	>>> /* page is a URI object, hence also a Resource object */
> 	>>> title = page['http://purl.org/dc/terms/title'][0];
> 	>>> print(title);
> 	Joe's World of Fun
>
>   


-- 
__________________________________________
Benjamin Adrian
Email : benjamin.adrian@dfki.de
WWW : http://www.dfki.uni-kl.de/~adrian/
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Received on Tuesday, 27 April 2010 08:52:22 UTC