W3C home > Mailing lists > Public > w3c-rdfcore-wg@w3.org > October 2002

Re: email straw poll: literal semantics proposals

From: Patrick Stickler <patrick.stickler@nokia.com>
Date: Tue, 8 Oct 2002 12:24:03 +0300
Message-ID: <005101c26eac$71487740$544516ac@NOE.Nokia.com>
To: "RDF Core" <w3c-rdfcore-wg@w3.org>, "ext Brian McBride" <bwm@hplb.hpl.hp.com>

B: 0

It does not provide for datatyping, only for a weak form
of lexical constraint that has nothing to do with the
expression of datatype values. Thus, it does not meet our 
charter to provide a solution for datatyping that is compatible
with XML Schema datatypes.

C: 1

D: 2

F: 5

[Patrick Stickler, Nokia/Finland, (+358 40) 801 9690, patrick.stickler@nokia.com]


----- Original Message ----- 
From: "ext Brian McBride" <bwm@hplb.hpl.hp.com>
To: "RDF Core" <w3c-rdfcore-wg@w3.org>
Sent: 07 October, 2002 19:39
Subject: email straw poll: literal semantics proposals


> 
> I would like to take an email straw poll of the WG regarding the options 
> for semantics of literals we currently have on the table.  For each of the 
> attached options, please could you give a score to indicate your 
> preferences.  I would like to have a strong indication of the sentiment of 
> the WG by Tuesday evening.
> 
>   o Unnacceptable proposals should be given a score of 0.  Please indicate 
> what absolute requirement(s) are not satisfied
> 
>   o Other proposals should be ranked from 1 to 5, with 5 being most 
> preferred.  Give options with equal preference equal scores.
> 
> Please note that proposal B includes retracting the decision to have 
> datatype values in the graph, i.e. retracts the
> 
>    <foo:age rdf:datatype="xsd;integer">10</foo:age>
> 
> construct.
> 
> 
> 
> Proposal B:
> 
>    <rdf:Description rdf:about="Jenny">
>      <foo:age>10</foo:age>
>    </rdf:Description>
>    <rdf:Description rdf:about="&foo;age>
>      <rdfs:format rdf:resource="&xsd;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="&xsd;integer>10</foo:age>
>    </rdf:Description>
>    <rdf:Description rdf:about="Film">
>      <foo:title>10</foo:title>
>    </rdf:Description>
> 
> 
> The object of the age property denotes a member of the value space of 
> xsd:integer.  The object of the title property denotes a string literal[*].
> 
> Proposal D:
> 
>    <rdf:datatype rdf:property="&foo:age" rdf:datatype="&xsd;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 F:
> 
>    <rdf:Description rdf:about="Jenny">
>      <foo:age>10</foo:age>
>    </rdf:Description>
>    <rdf:Description rdf:about="&foo;age>
>      <rdfs:range rdf:resource="&xsd;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 Tuesday, 8 October 2002 05:24:06 EDT

This archive was generated by hypermail pre-2.1.9 : Wednesday, 3 September 2003 09:52:22 EDT