- From: Dan Connolly <connolly@w3.org>
- Date: Tue, 21 Aug 2001 10:29:38 -0500
- To: Dave Beckett <dave.beckett@bristol.ac.uk>
- CC: w3c-rdfcore-wg@w3.org
Dave Beckett wrote:
[...]
I thought the spec was pretty clear on this: propAttrs
can only express literal values.
sax2rdf.py (the RDF parser used in cwm) definitely disagrees
with the interpretation below...
> ------------------------------------------------------------------------
> <?xml version="1.0"?>
> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
> <!-- Test reified statement using attributes only -->
> <rdf:Description rdf:type="http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement"
> rdf:subject="http://example.com/resource"
> rdf:predicate="http://example.com/predicate"
> rdf:object="literal" />
> </rdf:RDF>
copied that to reif-addr.rdf ...
> ------------------------------------------------------------------------
> _:id1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement> .
> _:id1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://example.com/resource> .
> _:id1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://example.com/predicate> .
> _:id1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> "literal" .
2000/10/swap/test$ python2 ../cwm.py --rdf reif-attr.rdf --triples
_:0 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate>
"http://example.com/predicate" .
_:0 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object>
"literal" .
_:0 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> "
http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement" .
_:0 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject>
"http://example.com/resource" .
Since there's evident divergence of interpretation/implementation,
please do add it to the test suite/issues list.
--
Dan Connolly, W3C http://www.w3.org/People/Connolly/
office: tel:+1-913-491-0501
mobile: mailto:connolly+pager@w3.org?subject=pls%20call%20+1-...
Received on Tuesday, 21 August 2001 11:29:41 UTC