- From: Melvin Carvalho <melvincarvalho@gmail.com>
- Date: Tue, 3 Apr 2012 17:56:32 +0200
- To: Harry Halpin <hhalpin@ibiblio.org>
- Cc: Ed Summers <ehs@pobox.com>, www-tag@w3.org
- Message-ID: <CAKaEYhLJ6S5QGqMJE02TpnJa6vaE4XYiPdwYOYWHDB40ENZCxA@mail.gmail.com>
On 3 April 2012 15:04, Harry Halpin <hhalpin@ibiblio.org> wrote: > On Tue, Apr 3, 2012 at 2:26 PM, Ed Summers <ehs@pobox.com> wrote: > > On Mon, Apr 2, 2012 at 7:25 AM, Kingsley Idehen <kidehen@openlinksw.com> > wrote: > >> 303 hasn't stopped facebook adding 850 million+ Linked Data profiles to > the > >> Web. We still talk about Linked Data as though its just starting when in > >> fact its already reached critical mass etc.. DBpedia, LOD Cloud etc.. > >> combined with Facebook and Schema.org == way beyond critical mass :-) > > > > Perhaps this is where you were going, but I think it's important to > > point out that Facebook and publishers of Open Graph data ignore > > httpRange-14 entirely, which is probably why it is working. For > > example: > > > > http://www.imdb.com/title/tt1182345/ > > > > identifies a movie: > > > > > https://developers.facebook.com/tools/debug/og/object?q=http%3A%2F%2Fwww.imdb.com%2Ftitle%2Ftt1182345%2F > > > > Thanks for your email Harry! > > Precisely. Indeed, while no-one *forces* you to use 303 redirection, > you currently have to use it to count as Linked Data. Which leaves > Linked Data to the true believers like Kingsley, while lots of people > probably just want to mint RDF data using APIs etc. > Harry, you dont have to use 303 to count as linked data. http://5stardata.info/ The Web is nothing if not tolerant. The more stars you collect, the higher your chance of reaching the "sea of interoperability". > > For the time being, http://graph.facebook.com/117527568273199 > illustrates my point (note that its also in JSON), and I want that to > *count* as Linked Data. Right now that URI identifies *both* metadata > about the movie and the movie itself. If/when Facebook wishes to mint > a separate URI for the "metadata about the movie" from 'the movie > itself" they should be able to, and then use w3c:describes OR 303 > redirection to connect the two URIs. > > As for the fact that might break OWL reasoners and semantics, I don't > really care - as one of the people who has done owl:sameAs reasoning > on a large scale, you basically have to re-code everything in special > purpose code to make things scalable (regardless of all the hype over > decidable reasoning), so "OWL semantics" is kinda meaningless for > practical purposes and as we have also shown, owl:sameAs is used in > very odd contexts beyond strict identity all over the place. > > I'm happy to talk philosophy (and have several papers about this) in > an academic context, but from an engineering point of view I'd just > like Linked Data to work. While Linked Data cloud is kinda huge, its > not nearly as big as it *could* be if we did two things 1) replaced > RDF/XML with a JSON format and 2) gave people easier options than 303 > redirections. I think those are the two major deployment barriers. > > cheers, > harry > > > > > > //Ed > > > >
Received on Tuesday, 3 April 2012 15:57:06 UTC