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RE: Question about MARCXML to Models transformation

From: Karen Coyle <kcoyle@kcoyle.net>
Date: Tue, 08 Mar 2011 15:54:47 -0800
Message-ID: <20110308155447.659673y8peyper47@kcoyle.net>
To: "Young,Jeff (OR)" <jyoung@oclc.org>
Cc: public-lld@w3.org
Jeff, FRBR has been modeled in OWL and does not have subclasses for  
those elements.

http://metadataregistry.org/schema/show/id/5.html

So it appears that the IFLA/FRBR group has a different idea on that.  
Instead they are each interpreted as "has-a" and "is-a" predicates.

kc

Quoting "Young,Jeff (OR)" <jyoung@oclc.org>:

> Looking closer, my feeling is that the terms at the top of column 1 are
> subclasses of Expression:
>
> :Abridgment
> 	rdfs:subClassOf :Expression .
> :Revision
> 	rdfs:subClassOf :Expression .
> :Translation
> 	rdfs:subClassOf :Expression .
> :Arrangment
> 	rdfs:subClassOf :Expression .
>
> The Expression-to-Expression relationship properties listed below would
> presumably have these domain/range settings:
>
> :hasAnAbridgment
> 	rdfs:domain :Expression ;
> 	rdfs:range :Abridgment .
> :hasARevision
> 	rdfs:domain :Expression ;
> 	rdfs:range :Revision .
> :hasATranslation
> 	rdfs:domain :Expression ;
> 	rdfs:range :Translation .
> :hasAnArrangement
> 	rdfs:domain :Expression ;
> 	rdfs:range :Arrangement .
>
> :isAnAbridgmentOf
> 	owl:inverseOf :hasAnAbridgment .
> :isARevisionOf
> 	owl:inverseOf :hasARevision .
> :isATranslationOf
> 	owl:inverseOf :hasATranslation .
> :isAnArrangementOf
> 	owl:inverseOf :hasAnArrangment.
>
> You COULD capture the information in table 5.3 in property fields of the
> Expression, but then we're back to our brains falling out.
>
> The terms in column 3 appear be subclasses of those, but probably don't
> justify being pulled out separately.
>
> Jeff
>
>> -----Original Message-----
>> From: Karen Coyle [mailto:kcoyle@kcoyle.net]
>> Sent: Tuesday, March 08, 2011 5:30 PM
>> To: Young,Jeff (OR)
>> Cc: Ross Singer; Richard Light; public-lld@w3.org
>> Subject: RE: Question about MARCXML to Models transformation
>>
>> Quoting "Young,Jeff (OR)" <jyoung@oclc.org>:
>>
>>
>> > I don't know the answer, but maybe we can pull together a few clues.
>> In
>> > the FRBR Final Report, look at Table 5.3 Expression-to-Expression
>> > Relationships. From that, it seems pretty certain that "book" +
>> language
>> > are factors but only secondarily. Note the column named "Autonomous
>> > Expressions".
>> >
>> > http://archive.ifla.org/VII/s13/frbr/frbr_current5.htm
>> >
>> >
>> > What if we thought of these as subclasses of Expression that we
> could
>> > then use to help draw the line?
>>
>> I don't see them as subclasses of Expression but as predicates linking
>> two expressions. An expression can't be an Abridgment unless it is the
>> Abridgement of another expression, thus it is a relationship between
>> expressions, not a sub-class. The Abridgement is an expression in its
>> own right.
>>
>> kc
>>
>> >
>> >
>> >
>> > Jeff
>> >
>> >
>> >
>> > From: rxs@talisplatform.com [mailto:rxs@talisplatform.com] On Behalf
>> Of
>> > Ross Singer
>> > Sent: Tuesday, March 08, 2011 4:46 PM
>> > To: Richard Light
>> > Cc: Young,Jeff (OR); Karen Coyle; public-lld@w3.org
>> > Subject: Re: Question about MARCXML to Models transformation
>> >
>> >
>> >
>> > One thing I want to clear up, I'm not disputing creating resources
>> > without all of the information available up front.  What I am asking
>> is,
>> > how much is needed to accurately create an Expression?
>> >
>> > If what we have is a record type (BKS) and language of publication
>> (en),
>> > is this enough information to accurately create an Expression and
>> start
>> > associating Manifestations to it?  I'll table for the moment my
>> > questions about whether or not this is useful, focusing instead what
>> > exactly is needed to create an (accurate) Expression from legacy
> MARC
>> > and what else we might expect to commonly see in a typical MARC
>> record
>> > to help draw upon.
>> >
>> > The LC FRBR Display Tool
>> > (http://www.loc.gov/marc/marc-functional-analysis/tool.html#table)
>> only
>> > mentions record type and publication language, but surely this isn't
>> > enough, right?  This: http://lccn.loc.gov/74194328 isn't describing
>> the
>> > same expression as this: http://lccn.loc.gov/97813632, correct?
>> >
>> > -Ross.
>> >
>> > On Tue, Mar 8, 2011 at 4:06 PM, Richard Light
>> > <richard@light.demon.co.uk> wrote:
>> >
>> > In message
>> >
> <52E301F960B30049ADEFBCCF1CCAEF590BBB715A@OAEXCH4SERVER.oa.oclc.org>,
>> > "Young,Jeff (OR)" <jyoung@oclc.org> writes
>> >
>> >
>> >
>> >
>> > 	Inferencing aside, having half the story for an Expression or
>> > Work is
>> > 	still enough to justify identifying these individuals. I
>> > wouldn't
>> > 	consider them any less "real" than their fully described
>> > counterparts.
>> > 	UUIDs are free. This allows downstream agents to assert
>> > owl:sameAs with
>> > 	another individual and thus fill in more of the story on both
>> > sides.
>> > 	(As mere mortals, we'll never ever have "the full story" on
>> > anything.)
>> >
>> >
>> >
>> > I've been meaning to contribute to this thread for a few days now
> ...
>> >
>> > I strongly agree with the thought that an entity can be given a URL,
>> and
>> > thereby you can finesse the need for the "concept is the sum of its
>> > properties" approach. We will have many similar cases in the museum
>> > world, where information about an entity of interest (person, place,
>> > event, ...) will be incomplete, or uncertain, or both. This
> shouldn't
>> > stop us from asserting what we _do_ know (or believe).
>> >
>> > As a matter of interest, where does FRBRoo
>> > (http://www.cidoc-crm.org/frbr_inro.html) come into this discussion?
>> >
>> > Richard
>> > --
>> > Richard Light
>> >
>> >
>> >
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>> --
>> Karen Coyle
>> kcoyle@kcoyle.net http://kcoyle.net
>> ph: 1-510-540-7596
>> m: 1-510-435-8234
>> skype: kcoylenet
>>
>
>
>



-- 
Karen Coyle
kcoyle@kcoyle.net http://kcoyle.net
ph: 1-510-540-7596
m: 1-510-435-8234
skype: kcoylenet
Received on Tuesday, 8 March 2011 23:55:24 GMT

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