[tdwg-tag] [tdwg-content] taxonomic rank terms

Roger Hyam rogerhyam at mac.com
Mon Dec 21 10:06:28 CET 2009


Sorry for delayed reply.

The warning note on the top of the TDWG ontology really does mean what it says.

I have just been working through TaxonConcept, TaxonName and TaxonRank. Although I hope to change the files are arranged this won't effect the URIs or their meaning - especially the ranks.

The only area in the taxon name/concept vocabularies where I would like to use the hatchet is in the taxon Relationship. I believe this is superfluous and just plain confusing. Instead of being able to simply say SpeciesA includes SpeciesB we have to say SpeciesA has a Relationship and the relationship has a target taxon of SpeciesB and is of type includes! Here I'd like to cut things down to simple properties of TaxonConcept. 

I will write a fuller explanation of any proposed changes when I have finished so that we can fully discuss it. I'll do this on the tdwg-content list and we can spin it out into issues in a tracker of some kind.

All the best,


N.B. I am only looking at the bit that concerns me at the moment i.e. Taxon stuff not all the occurrence stuff.

On 20 Dec 2009, at 19:21, Kevin Richards wrote:

> Yes, I am also curious what the state of the various schemas and vocabs is after the recent TDWG meeting.
> I have previously expressed what I considered a priority, to review the various overlapping standards, and then re-model, refine, align/map equivalences, etc, to clarify the situation.
> This was something that was said may happen during/around the TDWG meeting.  Has this been achieved/started?
> Kevin
> -----Original Message-----
> From: tdwg-tag-bounces at lists.tdwg.org [mailto:tdwg-tag-bounces at lists.tdwg.org] On Behalf Of Peter Midford
> Sent: Friday, 18 December 2009 5:01 p.m.
> To: tdwg-tag at lists.tdwg.org
> Cc: roger at hyam.net
> Subject: [tdwg-tag] taxonomic rank terms
> Hi Roger and others,
>                        I know that the tdwg ontology effort is currently in a state of flux, but I have a specific question that perhaps someone can answer here.  What is or will be the fate of the vocabulary of rank terms at http://rs.tdwg.org/ontology/voc/TaxonRank?  The disclaimer at the top of the page includes that the http URIs of 'key concepts' will be maintained, but are these rank terms going to be preserved?  If so, will their URI's remain stable?  Are there plans to prune any out?
> Thanks,
> Peter Midford
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