- From: Harry Halpin <hhalpin@ibiblio.org>
- Date: Tue, 3 Apr 2012 18:01:02 +0200
- To: Melvin Carvalho <melvincarvalho@gmail.com>
- Cc: Ed Summers <ehs@pobox.com>, www-tag@w3.org
On Tue, Apr 3, 2012 at 5:56 PM, Melvin Carvalho <melvincarvalho@gmail.com> wrote: > > > 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/ I think very few people look at that web-page and many more people look at the Linked Data tutorial: http://www4.wiwiss.fu-berlin.de/bizer/pub/linkeddatatutorial/ Perhaps some people have the book, although that is unlikely. Anyways, my suggestion and analysis stands regardless of how "fuzzy" one wants to define Linked Data. cheers, harry > > 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 16:01:38 UTC