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Re: [RDF-CONCEPTS] Skolemization

From: Ivan Herman <ivan@w3.org>
Date: Wed, 12 Jun 2013 16:04:11 +0200
Message-ID: <51B87FDB.5020408@w3.org>
To: David Booth <david@dbooth.org>
CC: public-rdf-comments <public-rdf-comments@w3.org>


David Booth wrote:
> I'd like to propose a small change in section on Skolemization:
> https://dvcs.w3.org/hg/rdf/raw-file/default/rdf-concepts/index.html#section-skolemization
> 
> 
> Regarding: "Systems wishing to do this SHOULD mint a new, globally unique IRI (a
> Skolem IRI) for each blank node so replaced." it seems to me that this
> conformance requirement should be a MUST -- not a SHOULD -- because the system
> has already made the free choice to skolemize.

I do not follow this. Why should be a MUST?

Ivan


> 
> Specific wording changes that I suggest:
> 
> 1. Change:
> 
>     "Systems wishing to do this SHOULD mint a new, globally
>     unique IRI (a Skolem IRI) for each blank node so replaced."
> 
> to:
> 
>     "Systems choosing to do this MUST mint a new, globally
>     unique IRI (a Skolem IRI) for each blank node so replaced.
>     Each such Skolem IRI SHOULD conform to the syntactic
>     requirement for a well-known IRI [WELL-KNOWN] with the
>     registered name genid. This is an IRI that uses the HTTP or
>     HTTPS scheme, or another scheme that has been specified to
>     use well-known IRIs; and whose path component starts with
>     /.well-known/genid/."
> 
> 2. Delete the paragraph:
> [[
> Systems that want Skolem IRIs to be recognizable outside of the system
> boundaries should use a well-known IRI [WELL-KNOWN] with the registered name
> genid. This is an IRI that uses the HTTP or HTTPS scheme, or another scheme that
> has been specified to use well-known IRIs; and whose path component starts with
> /.well-known/genid/.
> ]]
> 
> Thanks,
> David
> 

-- 
Ivan Herman, W3C
Semantic Web Activity Lead
Home: http://www.w3.org/People/Ivan/
mobile: +31-641044153
http://www.ivan-herman.net/foaf#me

Received on Wednesday, 12 June 2013 14:04:46 UTC

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