[tdwg-content] Request for withdrawal of proposal to move dwc:establishmentMeans to proposed the DwC class Individual

[John Wieczorek]

Easily done. Issue 81 (
http://code.google.com/p/darwincore/issues/detail?id=81) has been closed.

On Sun, Oct 31, 2010 at 7:29 AM, Steve Baskauf <steve.baskauf at vanderbilt.edu
> wrote:

> In my previous understanding of Occurrence in which a single token was
> incorporated as a part of an Occurrence, I considered an Individual to
> have ceased to exist and to have become an Occurrence of type
> LivingSpecimen when it was collected to be part of a collection (e.g.
> zoo).  Given this understanding, I felt that there were few or no cases
> where the establishmentMeans of an Individual would change (excluding
> its capture and incorporation in a collection) and therefore it made
> sense for having a single establishmentMeans value for the individual.
> However, under the apparent consensus opinion that the token documenting
> an Occurrence is a separate entity, I no longer believe that there is
> any purpose in recognizing an entity called "LivingSpecimen".  A living
> specimen is simply an individual with curation information.  The token
> for an Occurrence that involves the collection of a living specimen is
> the Individual itself (in the case of removal of the entire organism) or
> a different Individual (i.e. in the case where a new individual is
> propagated vegetatively from the Individual being documented by the
> Occurrence).  Given this understanding, the establishmentMeans of an
> Individual can change over time, so it is not possible for every
> Individual to have a single value for establishmentMeans.
>
> The consensus that seems to have emerged from the tdwg-content
> discussion is that dwc:establishmentMeans is a complex thing that
> describes the relationship of an Individual to a Location that can
> change over time.  I do not see how establishmentMeans is a property of
> an Occurrence - in fact it is not clear to me exactly how one applies
> establishmentMeans as a property to an instance of any existing DwC
> class.  But in any case, there does not now seem to be any advantage to
> moving it from the class Occurrence to the proposed class Individual, so
> I officially withdraw my proposal if that is possible.  Alternatively,
> the TAG could take a vote and vote the proposal down, but I think that
> would be a waste of time.
>
> Steve
>
> --
> Steven J. Baskauf, Ph.D., Senior Lecturer
> Vanderbilt University Dept. of Biological Sciences
>
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>
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>
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