- From: Arjohn Kampman <arjohn.kampman@aduna.biz>
- Date: Fri, 20 Jan 2006 15:21:12 +0100
- To: cwm <public-cwm-talk@w3.org>
- CC: Tim Berners-Lee <timbl@w3.org>, Dave Beckett <dave@dajobe.org>, Jeen Broekstra <jeen.broekstra@aduna.biz>, Yosi Scharf <syosi@mit.edu>
Tim Berners-Lee wrote: > Dave, > > The decimal formats I am happy with as a change to N3, as we discussed > on IRC. > > Is there any way on which Turtle an/or SparQL have diverged from rather > than converged with N3? Has anyone done the work to demonstrate > (automatically) a mapping between these three? While working on an update of our N3 writer, I just remembered that there is one fundamental difference between Turtle and N3: Turtle has the notion of (document-scoped) blank node identifiers but N3 does not (AFAIK). RDF/XML and N-Triples also support blank node identifiers. The lack of blank node identifiers makes it much harder to export RDF data in N3 format when blank nodes are involved, requiring multiple passes over the set of statements. Also, some RDF graphs that are expressible in RDF/XML and Turtle might not be expressible in N3. For example, is it possible to express that a blank node is a subclass of itself? Any chance that N3 will get support for blank node identifiers in the near future? Regards, Arjohn -- arjohn.kampman@aduna.biz Aduna BV - http://aduna.biz/ Prinses Julianaplein 14-b, 3817 CS Amersfoort, The Netherlands tel. +31-(0)33-4659987
Received on Friday, 20 January 2006 14:22:01 UTC