On Feb 23, 2009, at 2:26 PM, Kevin Richards wrote:
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"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?"
Is the Occurrence RDF vocab at http://rs.tdwg.org/ontology/voc/ TaxonOccurrence what you are looking for? I'm not sure I fully understood what you are after, but have a look and see if it matches your requirements.
Thanks for the link. It seems nearly identical to DwC or shares at least a lot of the terms, no? But it doesn't seem to have an appropriate relation either.
What I am looking for, formally speaking, is an object property that would have a specimen as its range, and hence allows me to relate a specimen record to some entity (a class or an individual). Am I making sense?
There are some pieces along those lines in the DwC terms, but they don't (seem to) connect:
- There are classes PreservedSpecimen, FossilSpecimen, and LivingSpecimen, but they don't have a supertype (other than owl:Thing) that you could make the range.
- There is a class Sample, but that doesn't have any of the Specimen classes as subtypes. Maybe that's correct since a sample and a specimen aren't really the same thing (rather, the former is obtained from the latter).
- There is an object property Sample-2008-11-19 (domain is the class 'none'), but there is no further annotation as to what that property should mean.
- There are object properties LivingSpecimen-2008-11-19 and PreservedSpecimen-2008-11-19 that have PhysicalObject as their super- property (why not Specimen?), and there is FossilSpecimen-2008-11-19 which has PreservedSpecimen (no date suffix) as super-property.
-hilmar
Kevin
-----Original Message----- From: tdwg-tag-bounces@lists.tdwg.org [mailto:tdwg-tag- bounces@lists.tdwg.org] On Behalf Of Hilmar Lapp Sent: Monday, 23 February 2009 11:04 a.m. To: Technical Architecture Group mailing list; rogerhyam Hyam Cc: Enrico Pontelli; Rutger A. Vos; Arlin Stoltzfus; nexml- discuss@lists.sourceforge.net; Brandon Chisham Subject: [tdwg-tag] Embedding specimen (and other) annotations in NeXML
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:
Is this using DarwinCore in a correct and/or sanctioned way?
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?
- 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) .
- 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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