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Re: [ontolog-forum] RDF vs. EAR

To: ontolog-forum@xxxxxxxxxxxxxxxx
From: "John F. Sowa" <sowa@xxxxxxxxxxx>
Date: Mon, 05 Dec 2011 18:05:37 -0500
Message-id: <4EDD4E41.1070002@xxxxxxxxxxx>
On 12/5/2011 12:10 PM, Ed Barkmeyer wrote:
> many of us who have dealt with information modeling for these many
> long years have come to realize that the notion of a "path through
> the semantic network" is a critical idea in understanding relationships
> among information elements, particularly among competing viewpoints.    (01)

I very strongly agree with that point, and I also agree
with the following point:    (02)

> EAR does not of itself have such a notion.    (03)

But I totally disagree with the following:    (04)

> In RDF this is a well-understood concept -- a trace through the graph.    (05)

When you're dealing with huge graphs, you need to use a very clean
notation *and* implementation.  RDF began as Tim B-L's notion of
the Giant Global Graph.  As Guha said, he and many others (including
Pat Hayes and Ora Lassila) wanted to use LISP notation (A B C) for
representing triples.  That would be fairly clean.    (06)

But they yielded to political pressure to use XML, which is a fine
notation for annotating documents.  But when you try to mix the
graph representation with document annotation, pointer following,
and a host of other issues, the graph is lost in the mush.  When
you encode that mush in a bloated syntax, you get a disaster.    (07)

Designing pretty notations that disguise that bloat cannot make
it more efficient.  It's like "putting lipstick on a pig".    (08)

The original idea of the GGG was good.  But the rapid uptake
of schema.org by webmasters is the final blow that exposes the
weakness of RDF/XML as a viable tool for processing the GGG.    (09)

John    (010)

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