- From: RDFa Working Group Issue Tracker <sysbot+tracker@w3.org>
- Date: Sat, 05 Feb 2011 23:27:42 +0000
- To: public-rdfa-wg@w3.org
ISSUE-83 (CURIEs must require colon): CURIEs are dangerous when used in combination with @vocab and @about [LC Comment - RDFa Core 1.1]
http://www.w3.org/2010/02/rdfa/track/issues/83
Raised by: Nathan Rixham
On product: LC Comment - RDFa Core 1.1
There is a bug in the CURIE syntax in RDFa Core where seemingly innocuous markup like the following will result in a set of surprising triples:
<div vocab="http://xmlns.com/foaf/0.1/" about="#me">
My name is <span property="name">John Doe</span> and my blog is called
<a rel="homepage" href="http://example.org/blog/">Understanding Semantics</a>.
</div>
The markup above, when processed via RDFa Core 1.1 processing rules will result in the following triples:
<http://xmlns.com/foaf/0.1/#me>
<http://xmlns.com/foaf/0.1/name>
"John Doe" .
<http://xmlns.com/foaf/0.1/#me>
<http://xmlns.com/foaf/0.1/homepage>
<http://example.org/blog/> .
Note that the subject is wrong. The subject should have been to a fragment identifier for the current page but since "#me" is a valid CURIE when used in conjunction with @vocab, the wrong subject is generated.
The solution to this problem must not create backward incompatibilities and must allow the usage of @vocab.
Received on Saturday, 5 February 2011 23:27:45 UTC