W3C home > Mailing lists > Public > semantic-web@w3.org > December 2010

Spring cleaning

From: Nathan <nathan@webr3.org>
Date: Mon, 27 Dec 2010 14:51:53 +0000
Message-ID: <4D18A809.2070101@webr3.org>
To: Semantic Web <semantic-web@w3.org>
Hi All,

There are a few little bit's I've not really seen mentioned that it may 
be good to see addressed in 2011.

As stupid as this may sound, there isn't actually any dereferenceability 
built in to RDF or "linked data", in RDF the URIs are all just logical 
constants and it's on a totally different level to the web, the RDF 
serializations make no mention of dereferencing URIs, and linked data 
isn't a protocol, thus tbh, the whole linked data thing is built purely 
on out of band knowledge between us, with /nothing/ to indicate to any 
machine that you can or can't dereference any URI mentioned in RDF.

In addition to this, most of the RDF serializations aren't IANA 
registered either, other than RDF-XML, may not sound like much but it 
does have big side effects, as a quick example, if you take a turtle, n3 
or rdf-json file and expose it via a web server, there's no mime type, 
the possible file extensions aren't recognized, and there isn't any way 
to conneg - even if you enable content negotiation, servers and clients 
/can't/ negotiate because the mime type isn't there and isn't known.

These two issues could easily become major thorns in the side, and it'd 
be good to see them addressed v soon (imo).

Best & hope you're all having (or had) a great holiday,

Nathan
Received on Monday, 27 December 2010 14:59:18 GMT

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