- From: Dan Connolly <connolly@w3.org>
- Date: Thu, 30 Mar 2006 10:42:00 -0600
- To: Tim Berners-Lee <timbl@w3.org>
- Cc: Michael Brauer <michael.brauer@sun.com>, www-archive@w3.org
tim copied public-archive@w3.org ; I'm pretty sure he meant to copy www-archive@w3.org , which is archived at http://lists.w3.org/Archives/Public/www-archive/ On Thu, 2006-03-30 at 10:55 -0500, Tim Berners-Lee wrote: > Michael, > > Thank you for taking the time to present OpenDocument to us all. > > I have one technical comment on a document related to our discussions. > > In http://www.oasis-open.org/committees/download.php/15382/meta-to- > rdf-proposal.odt > > I think the user-defined metadata would be better mapped to a user- > defined term namespace and then a single triple > > <> user:value1 value3^^value2 . > > > > One would have to define some namespace for Opendocument user-defined > metadata tags. > > To make a bnode with "name" and "value" items hanging of it is I > think "gratuitous reification" -- saying descriptions of statements > when statements would do. > > > > Feel free to pass this comment on to the appropriate people or lists. > > Is it possible that the RDF mapping, rather than being limited to the > examples you give, could be made into a general algorithm? > > Tim > > > > > > User-Defined Metadata > > User-Defined metadata as specified in section 3.2. is mapped into the > following triples: > Pre-Defined Metadata > Subject > Predicate > Object > <meta:user-defined > meta:name="value1" > meta:value-type="value2"> > value3</meta:user-defined> > ดก > meta:user-defined > _:ud > _:ud > meta:name > value1 > _:ud > meta:value > value3^^value2 > The triple (_:ud, meta:value, value3^^value2) contains a typed > literal, according to [RDF-PRIMER]. This means, that the data typed > of the literal value3 is set to value2. -- Dan Connolly, W3C http://www.w3.org/People/Connolly/ D3C2 887B 0F92 6005 C541 0875 0F91 96DE 6E52 C29E
Received on Thursday, 30 March 2006 16:42:07 UTC