[tdwg-content] dcterms:creator

Steve Baskauf steve.baskauf at vanderbilt.edu
Fri Jan 14 17:13:26 CET 2011

Well, within one's own database I guess that would depend on the kind of 
record structure you set up.  In RDF it is clearer.  For example in
you see an RDF document that describes two things: the Vanderbilt 
Arboretum, and the RDF document itself which describes the arboretum.  
They are demarcated within separate XML container elements.  The element
<tc:Collection rdf:about="urn:lsid:biocol.org:col:35259">
contains the metadata about the Arboretum itself, which is a physical, 
non-information resource.  The element

contains the metadata about the document describing the arboretum which 
is an information resource deliverable via the web.  Both of these 
elements include a dc:created property.  The arboretum's dc:created 
property has a string literal value of "1988" because that's when the 
arboretum was officially recognized as existing.  The document has a 
dc:created property with a literal value of "2010-08-01 00:27:28" 
because that was the date when the metadata document was first created 
by Biodiversity Collections Index.

In another example:
the metadata describes an image, and the file containing the image 
metadata.  The image description is in the
<rdf:Description rdf:about="http://bioimages.vanderbilt.edu/baskauf/51899">
element with http://bioimages.vanderbilt.edu/baskauf/51899 being the 
identifier for the image and the image metadata document description is 
in the
element.  The image has a property
which says that the image was created by me (represented by the URI 
http://bioimages.vanderbilt.edu/contact/baskauf) and the metadata 
document has a property
which says that the metadata document was created by the Bioimages 
collection (represented by the URI 

So in both of these examples, the RDF explicitly states what the 
description is "about" by means of the rdf:about attribute in the 
opening tag of the XML element. 

Hope this helps and maybe somebody else can comment about this in other 

Aaike De Wever wrote:
> Dear Steve,
> <snip>
>> Again, I think the solution is to be clear about what resource one is talking about 
>> rather than to try to come up with separate terms for creator, language, 
>> and created for three different types of resources. 
> </snip>
> As an up-to-now passive watcher of this list and dwc/dc newbie, I am wondering how exactly one can make clear whether it is the specimen, image of metadata one is talking about?
> Thanks for clarifying!
> With best regards,
> Aaike
> On 14 Jan 2011, at 15:29, Steve Baskauf wrote:
>> It seems to me that part of the problem here is that there are several 
>> types of resources that are being mixed.  There is the specimen itself, 
>> there is the image of the specimen, and there is the metadata record.  
>> The person digitizing the specimen is the dc:creator of the specimen 
>> image.  The collector of the specimen or the collector's institution is 
>> the dc:creator of the specimen.  The person entering the metadata into 
>> the computer or that person's institution is the dc:creator of the 
>> metadata record.  Of course a lot of people aren't going to care about 
>> this level of detail in keeping separate records for those three types 
>> of resources.  But those same people also probably aren't going to care 
>> about keeping separate records of who all of the different creators are 
>> either. 
>> The same kind of issue exists with other terms, such as dc:language and 
>> dcterms:created.  If you specify dc:language, is that the language on 
>> the specimen label, the language of other things on the image (like text 
>> on added scale bars), or the language of the metadata?  Again, I think 
>> the solution is to be clear about what resource one is talking about 
>> rather than to try to come up with separate terms for creator, language, 
>> and created for three different types of resources. 
>> Steve
>> Gregor Hagedorn wrote:
>>> Using Creator is ok for the person digitizing the specimen (although
>>> contributor may be more appropriate), but the person who originally
>>> wrote the label is an dc:creator as well.
>>> dcterms are meant to have a wide scope and by information-lossy. My
>>> comment is only: do not define: if there is a dc:creator, then it was
>>> the person who digitized.
>>> Gregor
> --
> Aaike De Wever
> BioFresh Science Officer
> Freshwater Laboratory, Royal Belgian Institute of Natural Sciences
> Vautierstraat 29, 1000 Brussels 
> Belgium
> tel.: +32(0)2 627 43 90
> mobile.: +32(0)486 28 05 93
> email: <aaike.dewever at naturalsciences.be>
> skype: aaikew
> AIM: aaike at mac.com
> LinkedIn: <http://be.linkedin.com/in/aaikedewever>
> BioFresh: <http://www.freshwaterbiodiversity.eu/> and <http://data.freshwaterbiodiversity.eu/>
> Belgian Biodiversity Platform: <http://www.biodiversity.be>
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> .

Steven J. Baskauf, Ph.D., Senior Lecturer
Vanderbilt University Dept. of Biological Sciences

postal mail address:
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