[tdwg-content] Comments on Cam's RDF practical details of recording a determination What is an Occurrence? [SEC=UNCLASSIFIED]

[Richard Pyle]

This is mostly over my head, but I do have a more general question along
these lines:
 
To what extent are we likely to be implementing substantive machine
reasoning for Agents within the context of biodiversity informatics?  I can
see some value in terms of de-duplication of literature citations, and maybe
a few other things here and there such as copyright ownership.  But I take
the absence of an Agent class within DwC as an indication that our community
does not have as much a need for semantic reasoning for Agents (compared to,
say, taxa and localities, among others).
 
If I'm missing something here, I'd very much like to be informed.
 
Aloha,
Rich


  _____  

From: Bob Morris [mailto:morris.bob at gmail.com] 
Sent: Tuesday, November 02, 2010 6:56 PM
To: Richard Pyle
Cc: Paul Murray; Steve Baskauf; tdwg-content at lists.tdwg.org
Subject: Re: [tdwg-content] Comments on Cam's RDF practical details of
recording a determination What is an Occurrence? [SEC=UNCLASSIFIED]


If machine reasoning is a goal, I would be wary of FOAF.  An OWL2-DL, or
other OWL2 tractable reasoning profile, version remains a moving target, to
the best of my knowledge.  The reasons that http://xmlns.com/foaf/spec/ is
not subject to tractable reasoning are relatively manageable, but I can no
longer find the Zimmerman proposal for a FOAF DL version referenced in the
thread ending at
http://lists.w3.org/Archives/Public/public-lod/2010Jul/0378.html

Can someone point me at a DL version of FOAF and indication that it is
actively under discussion somewhere?

Thanks



On Tue, Nov 2, 2010 at 10:38 PM, Richard Pyle <deepreef at bishopmuseum.org>
wrote:



I was thoroughly delighted to learn recently that FOAF uses terms in almost
exactly the same way that I had structured my "Agents" data (right down to
the same exat terms, in most cases).  I plan to move forward with the FOAF
terms that are relevant (thanks to John W. for pointing this out to me at
TDWG).

Rich


> -----Original Message-----
> From: tdwg-content-bounces at lists.tdwg.org
> [mailto:tdwg-content-bounces at lists.tdwg.org] On Behalf Of Paul Murray
> Sent: Tuesday, November 02, 2010 4:18 PM
> To: Steve Baskauf
> Cc: tdwg-content at lists.tdwg.org
> Subject: Re: [tdwg-content] Comments on Cam's RDF practical
> details of recording a determination What is an Occurrence?
> [SEC=UNCLASSIFIED]
>
>
> On 29/10/2010, at 12:41 AM, Steve Baskauf wrote:
>
> > I think both dwc:recordedBy for the Occurrence and
> dcterms:created for some tokens should be provided.
> Depending on the situation, they might be different entities
> (I think John Wieczorek pointed this out in an earlier
> thread).  dwc:recordedBy is specifically supposed to be a
> person whereas I think dcterms:creator could be a person or
> an institution.
>
> Perhaps it might be worthwhile leveraging the FOAF vocabulary
> (Friend of a Friend). It's mainly meant for social
> networking, but nevertheless it does contain terms such as
> Person, Organisation, Group and Project. (Project is
> interesting - collection activities perhaps are FOAF Projects).
>
> The spec is here: http://xmlns.com/foaf/spec/
>
> We can envisage the day where, by following links on
> taxonomic web pages, you could eventually find an Author's
> current twitter address, or ask the semantic web "find me all
> specimens of genus Tandanus collected by teams affiliated
> with the university of NSW between 2005 and 2007".
>
>
>
>
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-- 
Robert A. Morris
Emeritus Professor  of Computer Science
UMASS-Boston
100 Morrissey Blvd
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Associate, Harvard University Herbaria
email: morris.bob at gmail.com
web: http://bdei.cs.umb.edu/
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http://www.cs.umb.edu/~ram <http://www.cs.umb.edu/%7Eram> 
phone (+1) 857 222 7992 (mobile)



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