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Re: Using Linking Open Data datasets

From: Hugh Glaser <hg@ecs.soton.ac.uk>
Date: Fri, 30 May 2008 00:25:16 +0100
To: "public-lod@w3.org" <public-lod@w3.org>
Message-ID: <C464F9EC.24DA6%hg@ecs.soton.ac.uk>


All the *.rkbexplorer.com have them (the system generates them
Eg http://dblp.rkbexplorer.com/sitemap.xml
They have the appropriate entries in robots.txt.

Mind you, Giovanni says that a lot of sitemaps are broken, so they fix them
and cache the fixed ones for Sindice purposes :-)

On 30/05/2008 00:02, "Peter Ansell" <ansell.peter@gmail.com> wrote:

>> Richard
>> [1] http://sw.deri.org/2007/07/sitemapextension/
> That looks very usable to me. Has anyone used it for linked data? How
> do you discover these sitemaps as a linked data user, as opposed to
> sitemaps which are traditionally submitted to search engines for
> searching. In either case, it would be nice to have an RDF description
> submitted as part of a sitemap to a semantic search engine so it might
> be good to standardise that mechanism based around these ideas.
> Also, there is a reference in that document to N-Quad format, what is
> that exactly? [2] is a bit sparse on examples so it is hard to
> understand what is meant by the syntax.
> Also, is the slicing declaration attempting to make up for a deficit
> in the SPARQL protocol w.r.t. DESCRIBE? Why not utilise SELECT if you
> had an idea of what pieces of information you desire, although I guess
> the server is in the best position to recommend information to you
> with DESCRIBE queries. I think slicing mechanisms should be defined
> outside of that context, although the lack of progress with CBD [3] is
> a little worrying with respect to that bit.
> [2] http://sw.deri.org/2008/02/nx/
> [3] http://www.w3.org/Submission/CBD/
> Cheers,
> Peter
Received on Thursday, 29 May 2008 23:26:05 UTC

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