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Re: RDF WG Resolution Regarding Various Forms of String Literals

From: David Wood <david@3roundstones.com>
Date: Mon, 20 Jun 2011 13:50:31 -0400
Cc: Lee Feigenbaum <lee@thefigtrees.net>, public-rdf-dawg@w3.org
Message-Id: <F562C789-5D5D-446F-8BE9-0DE3F6EB838A@3roundstones.com>
To: Andy Seaborne <andy.seaborne@epimorphics.com>
On Jun 20, 2011, at 08:37, Andy Seaborne wrote:
> On 15/06/11 17:39, David Wood wrote:
>> Hi all,
>> 
>> The RDF working group resolved our ISSUE-12 [1] today, which is intended to "reconcile various forms of string literals".
>> 
>> We resolved to accept the proposal at:
>>   http://www.w3.org/2011/rdf-wg/wiki/StringLiterals/AbolishUntaggedPlain
>> with the modification that preferred output form (SHOULD) is "foo" not "foo"^^xsd:string in RDF; and we recommend that SPARQL and other WGs do the same.
>> 
>> Discussion highlighted several possible areas of concern, which we believe the current proposal addresses.  Specifically, it was noted that:
>> 
>> - The forms "foo" and "foo"^^xsd:string are equivalent input syntaxes.
>> - The form "foo" is the preferred output syntax.
>> - The WG suggests retaining the term "plain literal" in documents to avoid unnecessary rework.  Such plain literals would be considered semantically equivalent to xsd:strings.
> 
> This would be good but it is not mentioned in the resolution by RDF-WG.


I think that was my fault in recording the decision.  The intention was at the time (and remains) to retain the term "plain literal" in the documents if possible.

Regards,
Dave


> 
> SPARQL 1.0 uses "simple literals" for plain literals with language tag.
> 
> They are used also for the lexical form of a literals itself and for the text of language tags.
> 
> 	Andy
> 
>> 
>> NB: This resolution makes *no statement* about language-tagged literals (e.g. "foo"@en).
>> 
>> We invite discussion regarding the ramifications of this resolution to other working groups and implementors.
>> 
>> Regards,
>> Dave
>> 
>> [1] http://www.w3.org/2011/rdf-wg/track/issues/12
>> 
>> 
>> 
Received on Monday, 20 June 2011 17:51:00 GMT

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