W3C home > Mailing lists > Public > public-rdf-wg@w3.org > March 2011

Re: [JSON] object-based JSON vs. triple-based JSON

From: Steve Harris <steve.harris@garlik.com>
Date: Wed, 9 Mar 2011 20:49:39 +0000
Cc: RDF WG <public-rdf-wg@w3.org>
Message-Id: <93E6B6B7-F9F1-43FA-A0BD-9882E4469A12@garlik.com>
To: Manu Sporny <msporny@digitalbazaar.com>
On 2011-03-09, at 19:44, Manu Sporny wrote:
> At some point during the telecon I made the point that RDF/XML is a
> failed format. Steve Harris said "RDF/XML is was very widely used too,
> it's just not liked" and Sandro followed up with "I don't agree that
> RDFa was more successful than RDF/XML."

[ I meant "is/was" incidentally, it was a typo. ]

To back this up: http://en.wikipedia.org/wiki/RSS#History
I would have trouble writing a definition of success that excluded RSS circa 2002, more recent formats have muddied the waters a bit, but it's still a very common format.

Also, Adobe XMP is serialised externally in RDF/XML (inside a wrapper element), though on the web it's more commonly found embedded in JPEGs and the like. I don't know what syntax is used when embedded - almost certainly not RDF/XML. As an Adobe Lightroom user, I've got something like 100,000 XMP files sitting on various drives. Here's the head of one I pulled at random, 2010/2010-04-03-Regents-St/_D7A3501.xmp:

<x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="Adobe XMP Core 4.2-c020 1.124078, Tue Sep 11 2007 23:21:40        ">
 <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description rdf:about=""

None of this means that I'd hold up RDF/XML as good practice though, I certainly only endured it because of the utility I got from the data, rather than using it out of choice.

- Steve

Steve Harris, CTO, Garlik Limited
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Received on Wednesday, 9 March 2011 21:13:06 UTC

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