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Re: More On the Semantic Web (or: is RDF any good?)

From: Sean B. Palmer <sean@mysterylights.com>
Date: Mon, 6 Nov 2000 16:03:50 -0000
Message-ID: <00a101c0480d$e3a526c0$1bdd93c3@z5n9x1>
To: <www-rdf-interest@w3.org>, <w3c-wai-pf@w3.org>, "William Loughborough" <love26@gorge.net>
> Just to pick a nit: HTML (now XHTML) did indeed rise but IMO it has not
> "fallen" - in fact it's arguably rampant. Although its uses are often
> "presentationally emphatic" it's arguably unfair to blame that on the
> language[SNIP]
HTML has turned into a presentation language: a means of media expression.
It is not Semantic anymore (and never was), it is presentational.
That's why I started talking about SDF
(http://lists.w3.org/Archives/Public/www-rdf-interest/2000Nov/0033.html):
1. Produce a fully Semantic document medium, [probably based on current XML
related UI technologies, that can be easily converted using XSLT into RDF].
HTML Isn't a fully Semantic document Medium.
Something like this is (numerous errors, I know: don't nit-pick, please!):

<!-- <!DOCTYPE html system http://waptechinfo.com/sdfdtd/"> -->
<html xmlns="http://waptechinfo.com/sdfns"
xmlns:dc="http://purl.org/DC"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" >
<head>
<title>My SDF Example</title>
<rdf:RDF>
<rdf:description
dc:title="SDF Discussions"
dc:description="A Discussion of issues in SDF, and further reading"
dc:creator="Sean B. Palmer"
dc:date="2000-11-06" />
</rdf:RDF>
<link xmlns="http://www.w3.org/1999/xhtml" rel="stylesheet" type="text/css"
href="style.css" />
</head>
<body>
<h1 dc:title="Main Document Heading" dc:description="SDF
Discussion">Semantic Document Frameworks Discussion</h1>
<p dc:description="Discussion of Namespaces in SDF"><em>Question:</em> What
Namespace would we use for an <phrasing type="acronym" dc:title="Semantic
Document Framework">SDF</phasing> document?<br />
<em>Answer:</em> It doesn't really matter. For example, you could use the <a
xlink:href="http://lists.w3.org/Archives/Public/www-rdf-interest/2000Nov/003
3.html" dc:description="Link to original note about SDF">original note</a>
of mine, but for brevity I'm just going to copy the letter to <describe
xmlns="http://mysite.com/myns" location="http://mysite.com/">my own
server</describe>.</p>
<dl dc:title="Further Reading">
<div xmlns="http://www.w.org/1999/xhtml">
   <dt><em><a href="http://xhtml.waptechinfo.com/swr/">The Semantic Web: A
Resource</a></em></dt>
  <dd>5 Nov 2000, Sean B. Palmer</dd>
   <dt><em><a href="http://www.w3.org/2000/01/sw">Semantic Web
Development</a></em></dt>
  <dd>1999-2000, Dan Connolly et al.</dd>
</div>
 </dl>
<hr dc:description="HTML Horizontal Rule"
xmlns="http://www.w3.org/1999/xhtml" />
<p dc:descrption="Copyright notice" class="copyright">Copyright &#169; Sean
B. Palmer, 2000. All rights reserved.</p>
</body>
<foot>
<legend xmlns="http://www.w3.org/2000/03/xml-kb/#"
  xmlns:dc="http://purl.org/DC/">
   <foreach select="dl/dt[./em]">
    <asserts subjectRef=".//a/@href"
  predicateName="dc:title"
  objectLit=".//a" />
    <asserts subjectRef=".//a/@href"
  predicateName="dc:date"
  objectLit="substring-before(following-sibling::dd, ',')" />
   </foreach>
 </legend>
</foot>
</html>

Kindest Regards,
Sean B. Palmer
----------------------------------------------------
The Semantic Web: A Resource - http://xhtml.waptechinfo.com/swr/
WAP Tech Info - http://www.waptechinfo.com/
Mysterylights.com - http://www.mysterylights.com/
----------------------------------------------------
"The Internet; is that thing still around?" - Homer J. Simpson
Received on Monday, 6 November 2000 11:23:18 GMT

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