- From: Pat Hayes <phayes@ai.uwf.edu>
- Date: Wed, 14 Nov 2001 20:29:09 -0600
- To: Brian McBride <bwm@hplb.hpl.hp.com>
- Cc: w3c-rdfcore-wg@w3.org
>Issue > > http://www.w3.org/2000/03/rdf-tracking/#rdf-equivalent-representations > >[Equivalence]: There are four RDF model "flavours" (formal/data >model, graph(ical) model, serialization syntax, triple). To what >extend (precisely) are these models (not) equivalent? (Problems >related to anonymity have been discussed, see also below, details >need to be summarized). Could trying to find transformation grammars >be a solution (preciseness, determination of equivalence)? Shouldn't >this be in a "formal" part of M&S spec? > >Propose that > > o The WG believes that: > > - the graph model which is the basis for the model theory > - the n-Triples representation of an RDF graph My only concern is that some of the datatyping schemes might need something like Ntriples++ to describe the graphs they use, and I would like to leave that option open until we get these issues decided. Otherwise, OK. > - the diagrams of graphs used in documents such as the RDF Model > and Syntax document > > are all equivalent. > > o The WG notes that the RDF/XML syntax as currently defined is unable > to represent an arbritary RDF graph. In particular, the RDF/XML syntax > cannot fully represent a bNode which is the object of more than one > statement. > > o The WG believes that extending the RDF/XML syntax so that it can >respresent > all RDF graphs is beyond the scope of its current charter and resolves > to postpone consideration of this issue. > > o The WG actions the editor of the RDF Syntax WD to include in that > document a clear statement of the RDF graph structures that RDF/XML is > unable to represent. > >Brian -- --------------------------------------------------------------------- IHMC (850)434 8903 home 40 South Alcaniz St. (850)202 4416 office Pensacola, FL 32501 (850)202 4440 fax phayes@ai.uwf.edu http://www.coginst.uwf.edu/~phayes
Received on Wednesday, 14 November 2001 21:29:07 UTC