- From: Peter F. Patel-Schneider <pfps@research.bell-labs.com>
- Date: Wed, 14 May 2003 10:26:59 -0400 (EDT)
- To: www-webont-wg@w3.org
I propose the following reply for part of http://lists.w3.org/Archives/Public/www-webont-wg/2003Apr/0030.html > Concerning OWL AS & S > > I have not clearly understood the goal of section 4.1 (I must recognize I am > far from being an expert in those matters). If it is to obtain (when > possible) equivalent RDF triples for OWL definitions, why not using RDF > abilities at best ? In particular, could an equivalent for > "EquivalentClasses (D1...Dn)" be > "T(Di) rdfs:subclassOf T(Di+1); T(Di+1) rdfs:subClassOf T(Di),1<=i<n" or > would a RDFS-guru find it really stupid ? This would work as a mapping. However, the intent of the mapping is not to translate into something that can be partly understood by an RDF or RDFS processor, but instead is to provide a mapping between the abstract syntax and the exchange syntax to define which RDF graphs belong to the OWL DL and OWL Lite dialects of OWL. The mapping you propose above would not work quite as well for this purpose. I will add the following paragraph (or something close to it) to the beginning of Section 4 to make some of this clearer. <p> <span class="change"> This section of the document provides a mapping from the abstract syntax for OWL DL and OWL Lite given in <a href="syntax.html">Section 2</a> to the exchange syntax for OWL, namely RDF/XML [<cite><a href="#ref-rdfsyntax">RDF Syntax</a></cite>]. This mapping (and its inverse) provide the normative relationship between the abstract syntax and the exchange syntax. It is shown in <a href="rdfs.html">Section 5</a> and <a href="proofs.html#A.1">Appendix A.1</a> that this mapping preserves the meaning of OWL DL ontologies. <a href="#4.2">Section 4.2</a> defines the OWL DL and OWL Lite dialects of OWL as those RDF graphs that are the result of mappings from abstract syntax ontologies. </span> </p> Does this appropriately answer your query? Peter F. Patel-Schneider Bell Labs Research Lucent Technologies
Received on Wednesday, 14 May 2003 10:27:08 UTC