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Re: RDDL/RDF - no RDF tax?

• To: "Uche Ogbuji" <uche.ogbuji@f...>, "Mike Champion" <mc@x...>
• Subject: Re: RDDL/RDF - no RDF tax?
• From: "Jonathan Borden" <jonathan@o...>
• Date: Sun, 17 Nov 2002 15:44:26 -0500
• Cc: <xml-dev@l...>
• References: <E18DWRX-0006pB-00@m...>

Uche,

thanks for parsing that, it looks like your parser wants an rdf:ID="XSD"
rather than ID="XSD" ... shame on you since you brought that issue up (ID vs
rdf:ID), also I forgot the rdf:parseType="Literal" on the <rddl:prose>
property.

In any case since the new http://www.w3.org/TR/rdf-syntax-grammar/ is Nov 8,
2002 we can't be too picky that you've not updated your parser :-)))

Jonathan
>
> All I had to do was add a namespace:
>
> uogbuji@malatesta:~$ cat rddl.rdf
> <rddl:resource ID="XSD" xmlns:rddl="http://www.rddl.org/RDDL2">
>     <rddl:title>XML Schema</rddl:title>
>     <rddl:nature resource="http://www.w3.org/2001/XMLSchema"/>
>     <rddl:purpose
> resource="http://www.rddl.org/purposes#schema-validation"/>
>     <rddl:related resource="http://example.org/L.xsd"/>
>     <rddl:prose>
>         <p>An XML Schema for the L language .</p>
>     </rddl:prose>
> </rddl:resource>
> uogbuji@malatesta:~$ 4rdf rddl.rdf
> The following is a list of remaining tuples, each in the form "subject,
> predicate, object".  If a resource has an rdfs:label, it is presented with
> this label between angle brackets.
> [
> ("ANON-1", "<rdf:type>", "http://www.rddl.org/RDDL2resource"),
> ("ANON-1", "http://www.rddl.org/RDDL2title", "XML Schema"),
> ("ANON-1", "http://www.rddl.org/RDDL2nature",
"http://www.w3.org/2001/XMLSchema
> "),
> ("ANON-1", "http://www.rddl.org/RDDL2purpose",
"http://www.rddl.org/purposes#sc
> hema-validation"),
> ("ANON-1", "http://www.rddl.org/RDDL2related",
"http://example.org/L.xsd"),
> ("ANON-2", "<rdf:type>", "file:/home/uogbuji/p"),
> ("ANON-1", "http://www.rddl.org/RDDL2prose", "ANON-2"),
> ]
>
>
> Not the hint of a problem.
>
> The "cruft" that people complain of in RDF/XML is only there for
relatively
> complex situations.  For pretty simple uses such as RDDL or even HTML
meta-tag
> equivalents, RDF can be as simple as you please.
>
> Well, just one thing.  If you wish to embed RDF in other vocabs, you
usually
> have to have an rdf:RDF wrapper element, but that's hardly a "tax".
>
>
> --
> Uche Ogbuji                                    Fourthought, Inc.
> http://uche.ogbuji.net    http://4Suite.org    http://fourthought.com
> Python&XML column: 2. Introducing PyXML -
http://www.xml.com/pub/a/2002/09/25/p
> y.html
> The Past, Present and Future of Web Services 1 -
http://www.webservices.org/ind
> ex.php/article/articleview/663/1/24/
> The Past, Present and Future of Web Services 2 -
'http://www.webservices.org/in
> dex.php/article/articleview/679/1/24/
> Serenity through markup - http://adtmag.com/article.asp?id=6807
> Tip: Using generators for XML processing -
http://www-106.ibm.com/developerwork
> s/xml/library/x-tipgenr.html
>
>
>
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    • From: Uche Ogbuji <uche.ogbuji@f...>

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