Some questions

David Megginson david at
Thu Dec 2 00:35:58 GMT 1999

Joe Lapp <jlapp at> writes:

> Hi Eve!  Actually, I've brought a similar issue up with RDF group members
> on a few occasions.  I've asked for help understanding why I'd choose the
> RDF syntax instead of inventing my own XML document type to represent the
> desired metadata.

The answer is the same as the answer to why you wouldn't invent your
own markup language rather than XML -- that there is a network effect
to using the same format as other people.  In the case of RDF, it is a 
lot easier to do something like

  RDFCollection coll = new RDFCollection("");
  RDFResource res = coll.getResource("");
  System.out.println("The name is " + 

than it is to set up a SAX handler or walk through a DOM tree to try
to get the information -- if RDF (or something like it) catches on,
presumably we'll also get visual modelling tools, SQL-mapping tools,
forms-generators, and lots of other nice COTS stuff that it's hard to
write for XML in the general case.  There are two catches, however:

a) a lot of people have to use the same standard; and
b) there has to be a good software base.

RDF hasn't fully met either criterion yet, though there's some

All the best,


David Megginson                 david at

xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev at
Archived as: and on CD-ROM/ISBN 981-02-3594-1
To unsubscribe, mailto:majordomo at the following message;
unsubscribe xml-dev
To subscribe to the digests, mailto:majordomo at the following message;
subscribe xml-dev-digest
List coordinator, Henry Rzepa (mailto:rzepa at

More information about the Xml-dev mailing list