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Re: Linked Data

From: Hugh Glaser <hg@ecs.soton.ac.uk>
Date: Fri, 19 Mar 2010 01:33:07 +0000
To: Gannon Dick <gannon_dick@yahoo.com>, "public-egov-ig@w3.org" <public-egov-ig@w3.org>
Message-ID: <EMEW3|d15cfc7d5845be922de34369b3a0c4a1m2I1XD02hg|ecs.soton.ac.uk|C7C884D3.10E5A%hg@ecs.soton.ac.uk>
I would guess I am missing something, but...

In the Linked Data world, that is actually the whole point.
Given a data URI, there is a very clear and well understood mechanism that
is supported by almost every server connected to the internet: http.
This provides any system that can do an http query with a way of
programmatically accessing the metadata about the resource.
Mind you, if you want to discuss the format of the data returned from the
Linked Data URI, then that would be a different department (and also very
relevant).

So if you want to find the metadata about a resource that is published by
the resource owner, then that is possibly one of the few things that is well
understood.

Best Hugh

On 18/03/2010 22:05, "Gannon Dick" <gannon_dick@yahoo.com> wrote:

> CC wrote:
> On the demo call today we discussed a couple of technical issues that
> impact but are not specific to government.  These are:
> 
> 1)       That given a data URI, there is no standard way to
> programmatically access the metadata about the resource.
> 
> Sandro wrote: (can't find the exact quote)
> -The RDF model is the only one we (the W3C) have.-
> 
> I also looked at the DERI.ORG sitemap extensions.  The explanations were well
> worth the read.  The potential problem I see with extending sitemap is that it
> disconnects linked data from it's RDF and (Collection of) Human Readable HTML
> parts - 1 site=1 Database - and if you had more than one <owl:Thing> to share
> it could get very complicated.  Therein lies the rub.
> 
> For reasons stated here:
> http://www.rustprivacy.org/2010/meta/linked-data.pdf
> with an example here:
> http://www.rustprivacy.org/2010/meta/linked-data.xml
> or for the bold:
> http://www.rustprivacy.org/2010/meta/linked-data.xsl (on valid XHTML)
> 
> I think the complexity is in the nature of meta data and not in the sitemap
> mechanism.  However, I could really, really really use some feedback from the
> W3C and deri.org.
> 
> --Gannon 
> 
> 
>       
> 
Received on Friday, 19 March 2010 01:33:42 GMT

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