[tdwg-tag] Embedding specimen (and other) annotations in NeXML

John R. WIECZOREK tuco at berkeley.edu
Sun Feb 22 23:12:03 CET 2009

Hi Hilmar,

Just a quick answer right now to point you to rdf for the DwC (similar
to Dublin Core's rdf) that has just begun the review process as a TDWG


This is a preview, but I suspect it will not change too much. I'd call
your attention to the Sample class as the nearest thing to a Specimen
(because it would also be an Observation). Rendered documentation can
be found at http://rs.tdwg.org/dwc/terms/index.htm#Sample.



On Sun, Feb 22, 2009 at 2:03 PM, Hilmar Lapp <hlapp at duke.edu> wrote:
> Hi Roger and everyone else involved in DwC and the core ontology,
> in preparation for the upcoming hackathon [1] here we've worked our
> way through a number of use-cases for attaching metadata to data
> elements in NeXML [2] in a way that is semantically defined. The
> results are here:
> http://evoinfo.nescent.org/Database_Interop_Hackathon/Metadata_Support
> If you can take a critical look specifically at the section on
> 'Specimens within collections' (http://tinyurl.com/djdby3) that'd be
> great.
> Specific questions related to that:
> 1) Is this using DarwinCore in a correct and/or sanctioned way?
> 2) Is there a TDWG vocabulary (in RDF or OWL) that has a relation for
> referring to a specimen record, or are you aware of another one that
> has this?
> 3) I could only find the XML schema for DarwinCore. Are there any
> plans for (or did I miss the existence of) a corresponding ontology
> defined in OWL or RDF, similar Dublin Core (which has a RDF ontology
> at http://purl.org/dc/elements/1.1 and DCterms ontology at http://purl.org/dc/terms)
> .
> 4) It wasn't immediately clear how one would use the TDWG core
> ontology for doing the same thing in RDF (or OWL) - is this ontology
> supposed to be used yet, and are there usage examples, or does someone
> have a recommendation for how one would write the same example using
> the core ontology?
> I know it's a rather tiny subset of DwC that we're using here but
> that's only a start and one use-case.
> Of course, any other feedback to or suggestions for this or any of the
> other stuff on that page is welcome too!
> Cheers,
>        -hilmar
> [1] http://evoinfo.nescent.org/Database_Interop_Hackathon
> [2] http://nexml.org
> --
> ===========================================================
> : Hilmar Lapp  -:-  Durham, NC  -:- hlapp at duke dot edu :
> ===========================================================
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