[Tdwg-guid] resolving deleted records [ Scanned for viruses ]

[Roderic Page]

Chuck,

It's actually part of Dublin Core Metadata Terms  
(http://www.dublincore.org/documents/dcmi-terms/),
so by convention it should be referred to as <dcterms:isReplacedBy>,  
where the name space dcterms is <http://purl.org/dc/terms/>. The full  
definition of this predicate in RDF is provided by Dublin Core  
(http://purl.org/dc/terms/isReplacedBy).

RDF doesn't, I guess, have a vocabulary for objects as such, they are  
always referred to by URIs. Hence, what gets defined are the  
predicates.

Regards

Rod



On 3 Oct 2006, at 19:04, Chuck Miller wrote:

> Forgive my ignorance again, but am I correct that dc: in this context
> refers to a namespace.  Is that namespace Dublin Core, Darwin Core, or
> other?  I can't find "isReplacedBy" in Dublin Core.
>
> Are you using "isReplacedBy" as an RDF predicate?
>
> How would the specific definition of "isReplacedBy" be recorded?  Is
> there going to be a TDWG TAG discussion about controlled vocabulary/
> namespace for predicates as well as objects?  I can see predicates all
> over the UML diagrams at the Ontology WIKI, but I don't see them listed
> anywhere with definitions?
>
> Just looking at the CoreOntology UML diagram
> http://wiki.tdwg.org/twiki/bin/view/TAG/CoreOntology there are many,
> many predicates:
> hastate
> hasValue
> inUnits
> onProperty
> aboutStructure
> hasElements
> describedBy
> description
> type
> typifiedBy
> typificationOf
> by
> from
> to
>
> and many, many more.  How will we arrive at the unambiguous meaning of
> these predicates?  Is there a working group for this?
>
> Thanks,
> Chuck
>
>
>
>
> -----Original Message-----
> From: tdwg-guid-bounces at mailman.nhm.ku.edu
> [mailto:tdwg-guid-bounces at mailman.nhm.ku.edu] On Behalf Of Paul Kirk
> Sent: Tuesday, October 03, 2006 3:04 AM
> To: S.Hinchcliffe at kew.org; tdwg-guid at mailman.nhm.ku.edu
> Subject: Re: [Tdwg-guid] resolving deleted records [ Scanned for  
> viruses
> ]
>
> It is usually mostly blank in most cases (except the name, perhaps an
> author, the PK, the parentFK) but I may leave a comment in the internal
> notes field with some explanation to help those who follow. Of course,
> what constitutes the 'record' will depend on the database schema for
> which IF is closer to the data warehouse model rather than a fully
> normalized model.
>
> Paul
>
> -----Original Message-----
> From: tdwg-guid-bounces at mailman.nhm.ku.edu
> [mailto:tdwg-guid-bounces at mailman.nhm.ku.edu] On Behalf Of Sally
> Hinchcliffe
> Sent: 03 October 2006 08:54
> To: tdwg-guid at mailman.nhm.ku.edu
> Subject: Re: [Tdwg-guid] resolving deleted records [ Scanned for  
> viruses
> ]
>
> So is everybody happy with the following:
>
> if a record is deleted then dc:isReplacedBy is set to the LSID of the
> record that replaces it. If it isn't replaced by anything, it's just
> deleted because it was entered in error, then isReplacedBy is set to
> its own LSID
>
> Paul do you blank out the rest of the record?
>
> Sally
> *** Sally Hinchcliffe
> *** Computer section, Royal Botanic Gardens, Kew
> *** tel: +44 (0)20 8332 5708
> *** S.Hinchcliffe at rbgkew.org.uk
>
>
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------------------------------------------------------------------------ 
----------------------------------------
Professor Roderic D. M. Page
Editor, Systematic Biology
DEEB, IBLS
Graham Kerr Building
University of Glasgow
Glasgow G12 8QP
United Kingdom

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