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Re: [All] Proposal: RDF Graph Identification (mutability & identification)

From: Sandro Hawke <sandro@w3.org>
Date: Fri, 17 Aug 2012 08:28:22 -0400
Message-ID: <502E38E6.7040306@w3.org>
To: Andy Seaborne <andy.seaborne@epimorphics.com>
CC: public-rdf-wg@w3.org
On 08/17/2012 07:37 AM, Andy Seaborne wrote:
>
> RDF could just not mention mutability.  On balance, some text in 
> "concepts" to give an overview is useful; it does not need to be 
> continued.  RDF specs define what is, not operations. Implementers 
> seem to have got on just fine with RDF-2004, and that program language 
> "sets" are (with care) mutable does not cause problems. 

But we don't yet have interoperability in graph metadata/management.   
That's what IMHO we're trying to achieve here - the use cases I've tried 
to write up all seem to involve that. How can we reliably convey 
provenance metadata when there's no clarity about when/if different 
"graphs" will be changing?   Does metadata about one "graph" also apply 
to another "graph" that has the same triples?  (The answer depends on 
whether the metadata is really about a g-box or a g-snap -- I think 
people can get clarity on it when they consider whether the metadata 
would still hold if the "graph" changed.)

        -- Sandro
Received on Friday, 17 August 2012 12:28:50 UTC

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