W3C home > Mailing lists > Public > public-sweo-ig@w3.org > April 2007

Layer Cake

From: Kingsley Idehen <kidehen@openlinksw.com>
Date: Sat, 31 Mar 2007 20:46:45 -0400
Message-ID: <460F00F5.7040101@openlinksw.com>
CC: public-sweo-ig@w3.org


I really need some clarification about the Layer Cake:

1. What does URI/IRI mean or imply in the context of the layer cake?
2. What does XML mean or imply (likewise) such that it occupies a slot 
without N3, Turtle, or TriX?

I am very picky about this Layer Cake update because I am (and I assume 
many others are too) really picky about clarifying the Semantic Web 
vision and message.

At the start of my participation in mailing list  I made it very clear 
that disambiguation of RDF is vital to our common goal of eradicating 
(within reason) the dire misrepresentation of the Semantic Web vision 
and RDF Data Model that permeates our industry at large.

 From my vantage point:

1. URIs expose Data Sources on the Web (the concept of Data Sources is 
much easier to understand than "URI" without qualification)
2. XML plays a vital role in RDF, it's critical middleware 
infrastructure for GRDDL and other techniques for producing RDF from non 
RDF amongst other things, I know it's the W3C's official serialization 
etc., but none of this is congruent with its placement in the Layer Cake 
while N3, Turtle, and TriX are left out.

Ironically, XML is what is good about RDF as well as what is bad about 
RDF (from the PR and general education perspective). This point of view 
has nothing to do with the XML itself, just everything to do with 
inadvertent misrepresentation in the context of the RDF Data Model (an 
integral part of the Semantic Web vision).

I would like to suggest the following:

1. [URI/IRI (Data Sources)] as an enhancement of the [URI/IRI] box that 
exists right now
2. [RDF Data Model] as a replacement of the current [RDF Interchange: RDF]

Re. point 2, we need to express the role of serialization / interchange 
and the types of serializations formats. Ideally, via little boxes 
within the Data Model box (towards the top which indicates the point 
where interchange occurs).

I think we need to resolve this matter urgently and I am hoping we can 
arrive at some consensus via this mailing list.



Kingsley Idehen	      Weblog: http://www.openlinksw.com/blog/~kidehen
President & CEO 
OpenLink Software     Web: http://www.openlinksw.com
Received on Sunday, 1 April 2007 00:46:52 UTC

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