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Re: is FRBR relevant?

From: Jodi Schneider <jodi.schneider@deri.org>
Date: Mon, 9 Aug 2010 12:19:50 +0100
Cc: "Young,Jeff (OR)" <jyoung@OCLC.ORG>, Karen Coyle <kcoyle@kcoyle.net>, public-xg-lld@w3.org, Richard Cyganiak <richard.cyganiak@deri.org>
Message-Id: <B05AAD43-055D-48B5-B1F2-5D4978CEBA56@deri.org>
To: William Waites <ww-keyword-okfn.193365@styx.org>, William Waites <william.waites@okfn.org>

On 9 Aug 2010, at 12:15, William Waites wrote:

> On 10-08-09 11:39, Jodi Schneider wrote:
>> Maybe your concern is that authority control should give us
>> identifiers not just uniform headings? I guess Karen's more recent
>> post might be relevant to this thread:
>> http://kcoyle.blogspot.com/2009/08/frsad.html
> 
> This is the sort of think I don't think we need to wait for
> Authorities to "give" us. Where we have uniform headings
> strings we can just define a hash function to give us
> stable identifiers, e.g. sha1("World War, 1939-1945").

What happens when the LCSH heading changes?

A related question: Is there a taxonomy of the *kinds* of changes LCSH has? Or a general taxonomy for changes to 'identifiers'?

-Jodi

PS-I agree with you -- but the larger problem is social, not technological. Can we explain why machines are  a good audience for authority controlled headings, so that humans benefit down the line?

> 
> Nothing stopping us from putting them in a namespace,
> e.g. http://purl.org/net/lcsh#<sha1> that returns,
> 
> @prefix lcsh <http://purl.org/net/lcsh#>.
> 
> lcsh:672369b2e70511c1455c53e00fecac622f4fc21b
>    dcam:member dc:LCSH ;
>    rdf:value "World War, 1939-1945" .
> 
> It would be trivial to generate some inference rules as well,
> 
> { ?x dcam:member dc:LCSH .
>   ?x rdf:value "World War, 1939-1945 } =>
> { ?x owl:sameAs lcsh:672369b2e70511c1455c53e00fecac622f4fc21b }.
> 
> That could be used for normalising "old style" dc references
> where the dc:subject is a bnode.
> 
> The point is, we can do this now and don't need to wait on the
> Library of Congress to do it. If they eventually do mint identifiers,
> we can just put another owl:sameAs in.
> 
> Just my 0.02
> 
> Cheers,
> -w
> 
> -- 
> William Waites           <william.waites@okfn.org>
> Mob: +44 789 798 9965    Open Knowledge Foundation
> Fax: +44 131 464 4948                Edinburgh, UK
> 
> RDF Indexing, Clustering and Inferencing in Python
> 		http://ordf.org/
Received on Monday, 9 August 2010 11:20:25 GMT

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