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Re: action: ask webont for input: version 2

From: Eric Miller <em@w3.org>
Date: 07 Oct 2002 08:36:29 -0400
To: Brian McBride <bwm@hplb.hpl.hp.com>
Cc: RDF Core <w3c-rdfcore-wg@w3.org>
Message-Id: <1033994190.13327.38.camel@cherry>

Brian,

I think you've captured the issues as succinctly as possible. 

(suggest change &xsdr; to &xsd;)

-- 
eric miller                              http://www.w3.org/people/em/
semantic web activity lead               http://www.w3.org/2001/sw/
w3c world wide web consortium            http://www.w3.org/




On Mon, 2002-10-07 at 02:49, Brian McBride wrote:
> 
> This version includes the b-node idiom and some minor clarifications.
> 
> 
> Draft Question for Webont:
> 
> RDFCore are considering a number of ways of representing datatyped values 
> in RDF graphs and RDF/XML.  We would like to know WEBONT's preference 
> amongst the following options.  Please could you rank them in order of 
> preference, and identify any which would be unacceptable.  Unacceptability 
> is not a matter of taste; to label an option as unacceptable, a critical 
> requirement that cannot be met must be identified.
> 
> 
> Proposal A:
> 
>    <rdf:Description rdf:about="Jenny">
>      <foo:age>10</foo:age>
>    </rdf:Description>
> 
> The object of the age property denotes a string literal[*].
> 
> Proposal B:
> 
>    <rdf:Description rdf:about="Jenny">
>      <foo:age>10</foo:age>
>    </rdf:Description>
>    <rdf:Description rdf:about="&foo;age>
>      <rdfs:format rdf:resource="&xsdr;integer"/>
>    </rdf:Description>
> 
> The object of an age property denotes a string literal [*] from the lexical 
> space of xsd:integer.
> 
> Proposal C:
> 
>    <rdf:Description rdf:about="Jenny">
>      <foo:age rdf:datatype="&xsdr;integer>10</foo:age>
>    </rdf:Description>
> 
> The object of the age property denotes a member of the value space of 
> xsd:integer.
> 
> Proposal D:
> 
>    <rdf:datatype rdf:property="&foo:age" rdf:datatype="&xsdr;decimal"/>
>    <rdf:Description rdf:about="Jenny">
>      <foo:age>10</foo:age>
>    </rdf:Description>
>    <rdf:Description rdf:about="Johnny">
>      <foo:age>10</foo:age>
>    </rdf:Description>
> 
> Proposal D is proposal C with some syntactic sugar (the rdf:datatype 
> declaration) so that it is not necessary to put an rdf:datatype attribute 
> on every use of the age property.
> 
> Proposal E:
> 
>    <rdf:Description rdf:about="Jenny">
>      <foo:age xsdr:integer="10"/>
>    </rdf:Description>
> 
> In n-triples this is equivalent to:
> 
>    <Jenny> <age> _:l .
>    _:l <xsdr:integer> "10" .
> 
> The object of the age property denotes an integer from the value space of 
> xsd:integer.
> 
> Proposal F:
> 
>    <rdf:Description rdf:about="Jenny">
>      <foo:age>10</foo:age>
>    </rdf:Description>
>    <rdf:Description rdf:about="&foo;age>
>      <rdfs:range rdf:resource="&xsdr;decimal"/>
>    </rdf:Description>
> 
> The object of an age property denotes an integer from the value space of 
> xsd:decimal.
> 
> [*] A string literal is an old style RDF literal which consists of a 
> unicode string and language identifier.
> 
Received on Monday, 7 October 2002 08:41:09 EDT

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