- From: wwmm <wwmm@seu.edu.cn>
- Date: Mon, 20 Oct 2003 11:41:44 +0800
- To: "Brian McBride" <bwm@hplb.hpl.hp.com>
- Cc: <www-rdf-comments@w3.org>, <public-webont-comments@w3.org>
Dear Brian, Thank you for your response. This response is satisfactory. Thanks for the explanation. regards Lotus Wu ----- Original Message ----- From: "Brian McBride" <bwm@hplb.hpl.hp.com> To: "wwmm" <wwmm@seu.edu.cn> Cc: <www-rdf-comments@w3.org>; <public-webont-comments@w3.org> Sent: Friday, October 17, 2003 7:23 PM Subject: Re: Some suggestions for http://www.w3.org/1999/02/22-rdf-syntax-ns# > > Thank you for these suggestions. > > wwmm wrote: > > Hi, > > > > There are some suggestions for http://www.w3.org/1999/02/22-rdf-syntax-ns# as follows. > > > > 1. xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" > > xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" > > xmlns:owl="http://www.w3.org/2002/07/owl#" > > xmlns:dc="http://purl.org/dc/elements/1.1/" > > > > maybe change to: > > xmlns:rdf="http://www.w3.org/tr/rdf#" > > xmlns:rdfs="http://www.w3.org/tr/rdf-schema#" > > xmlns:owl="http://www.w3.org/tr/owl#" > > xmlns:dc="http://purl.org/dc/elements/1.1/" > > The WG did consider changing the namespace names as it updated the > specifications but decided not to. I beleive that considerations of the > undesirable effects on existing data and implemntations weighed more > heavily than any advantage gained. > > > > > So, these namespace will be stable relatively. > > Err, no - we really don't want to do that. it would be a bad thing if > the meaning of an existing document changed when we updated the spec. > > And add dc:date or owl:versionInfo into the ontology. > > We are planning to update this document and will likely include > owl:versionInfo. > > > > > 2. The "Resource" had been defined by RDF Model and Sytax, not RDF Schema, So "Resource" should be rdf:Resource. > > and the following statment should be appended in http://www.w3.org/1999/02/22-rdf-syntax-ns#. > > > > <rdfs:Class rdf:ID="Resource" > > <rdfs:isDefinedBy rdf:Resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/> > > <rdfs:label>Resource</rdfs:label> > > <rdfs:comment>The class resource, everything.</rdfs:comment> > > </rdfs:Class> > > I think this is covered by our decision not to change the namespaces. > Were we changing the namespaces, this would be a sensible change to > make, but since we are not, then this is not an appropriate time to make > such a change. > > > > > 3. The following statments should be appended in http://www.w3.org/1999/02/22-rdf-syntax-ns#. > > > > <rdfs:Class rdf:ID="XMLLiteral" > > rdf:type rdf:Resource="http://www.w3.org/TR/rdf-schema#Datatype" > > rdfs:comment="The class of XML literal values." /> > > > > <rdfs:Class rdf:ID="List" > > rdfs:comment="The class of RDF Lists." /> > > > > <rdfs:Class rdf:ID="nil" > > rdfs:comment="The empty list." /> > > > > <Property ID="first" > > rdfs:comment="The first item in the subject RDF list." /> > > > > <Property ID="rest" > > rdfs:comment="The rest of the subject RDF list after the first item." /> > > > > Perhaps, rdf:about, rdf:ID, rdf:RDF, rdf:Desciption should also be defined in http://www.w3.org/1999/02/22-rdf-syntax-ns#. > > > > Yes. We are planning to update this document and will include these new > terms. WG discussion and a draft of the new version can be found at: > > http://lists.w3.org/Archives/Public/w3c-rdfcore-wg/2003Aug/0085.html > > Please respond to this message, copying www-rdf-comments@w3.org > indicating whether this is an acceptable response. > > Brian > > > > > Regards, > > > > Lotus Wu > > > > > > ps. > > A new version http://www.w3.org/1999/02/22-rdf-syntax-ns# as follows: > > > > <?xml version="1.0"?> > > <RDF > > xmlns="http://www.w3.org/tr/rdf #" > > xmlns:rdf="http://www.w3.org/tr/rdf#" > > xmlns:rdfs="http://www.w3.org/tr/rdf-schema#"> > > > > <!-- > > This is the RDF Schema for the RDF data model as described in the > > Resource Description Framework (RDF) Model and Syntax Specification > > http://www.w3.org/TR/REC-rdf-syntax--> > > > > > > <!-- New statement about rdf:Resource--> > > <rdfs:Class rdf:ID="Resource" > > <rdfs:isDefinedBy rdf:Resource="http://www.w3.org/TR/rdf#"/> > > <rdfs:label>Resource</rdfs:label> > > <rdfs:comment>The class resource, everything.</rdfs:comment> > > </rdfs:Class> > > > > <rdfs:Class rdf:ID="Statement" > > rdfs:comment="A triple consisting of a predicate, a subject, and an object." /> > > > > <rdfs:Class rdf:ID="Property" > > rdfs:comment="A name of a property, defining specific meaning for the property" /> > > > > <rdfs:Class rdf:ID="Bag" > > rdfs:comment="An unordered collection" /> > > > > <rdfs:Class rdf:ID="Seq" > > rdfs:comment="An ordered collection" /> > > > > <rdfs:Class rdf:ID="Alt" > > rdfs:comment="A collection of alternatives" /> > > > > > > <!--Add rdf:XMLLiteral, rdf:List, rdf:nil, rdf:first, rdf:rest--> > > <rdfs:Class rdf:ID="XMLLiteral" > > rdf:type rdf:Resource="http://www.w3.org/TR/rdf-schema#Datatype" > > rdfs:comment=" The class of XML literal values." /> > > > > <rdfs:Class rdf:ID="List" > > rdfs:comment=" The class of RDF Lists." /> > > > > <rdfs:Class rdf:ID="nil" > > rdfs:comment=" The empty list." /> > > > > <Property ID="first" > > rdfs:comment="The first item in the subject RDF list." /> > > > > <Property ID="rest" > > rdfs:comment=" The rest of the subject RDF list after the first item." /> > > > > <Property ID="predicate" > > rdfs:comment="Identifies the property used in a statement when representing the statement in reified form"> > > <rdfs:domain rdf:Resource="#Statement" /> > > <rdfs:range rdf:Resource="#Property" /> > > </Property> > > > > <Property ID="subject" > > rdfs:comment="Identifies the resource that a statement is describing when representing the statement in reified form"> > > <rdfs:domain rdf:Resource="#Statement" /> > > </Property> > > > > <Property ID="object" > > rdfs:comment="Identifies the object of a statement when representing the statement in reified form" /> > > > > <Property ID="type" > > rdfs:comment="Identifies the Class of a resource" /> > > > > <Property ID="value" > > rdfs:comment="Identifies the principal value (usually a string) of a property when the property value is a structured resource" /> > > > > </RDF> > >
Received on Sunday, 19 October 2003 23:40:58 UTC