<div dir="ltr"><div>IAO:example of usage is widely used with object properties. I don't know how often it is used with data properties, but I don't know is any reason it could not be.<br><br></div><div>I will file an issue about the truncated definition of iao:example of usage.<br></div><div><br></div>Ramona<br clear="all"><div><div><div><div class="gmail_extra"><div><div class="gmail_signature"><div dir="ltr">------------------------------------------------------<br>Ramona L. Walls, Ph.D.<br>Scientific Analyst, The iPlant Collaborative, University of Arizona<br>Research Associate, Bio5 Institute, University of Arizona<br>Laboratory Research Associate, New York Botanical Garden</div></div></div>
<br><div class="gmail_quote">On Tue, Mar 24, 2015 at 4:00 AM, <span dir="ltr"><<a href="mailto:tdwg-content-request@lists.tdwg.org" target="_blank">tdwg-content-request@lists.tdwg.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Send tdwg-content mailing list submissions to<br>
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Today's Topics:<br>
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1. Re: Darwin Core Proposal - term content recommendations to<br>
comments (?amonn)<br>
<br>
<br>
----------------------------------------------------------------------<br>
<br>
Message: 1<br>
Date: Mon, 23 Mar 2015 16:48:54 +0100<br>
From: ?amonn ? Tuama [GBIF] <<a href="mailto:eotuama@gbif.org">eotuama@gbif.org</a>><br>
Subject: Re: [tdwg-content] Darwin Core Proposal - term content<br>
recommendations to comments<br>
To: 'Markus D?ring' <<a href="mailto:mdoering@gbif.org">mdoering@gbif.org</a>>, "'John Wieczorek'"<br>
<<a href="mailto:tuco@berkeley.edu">tuco@berkeley.edu</a>><br>
Cc: 'TDWG Content Mailing List' <<a href="mailto:tdwg-content@lists.tdwg.org">tdwg-content@lists.tdwg.org</a>><br>
Message-ID: <014601d06580$ddaf3210$990d9630$@org><br>
Content-Type: text/plain; charset="iso-8859-1"<br>
<br>
I can see how minting an additional term "dwcattributes:example" has a<br>
certain consistency given the namespace is already in use but, as a close<br>
alternative, and following best practice of not reinventing terms (and thus<br>
making it easier for 3rd parties trying to process the RDF directly), I<br>
think ?skos:example? is also worth considering. I am not familiar with<br>
"iao:example of usage" but checking the definition [1]:<br>
<br>
?A phrase describing how a class name should be used. May also include other<br>
kinds of examples that facilitate immediate understanding of a class<br>
semantics, such as widely known prototypical subclasses or instances of the<br>
class. Although essential for high level terms, examples for low level terms<br>
(e.g., Affymetrix HU133 array) are not? (definition looks truncated)<br>
<br>
<br>
<br>
? it refers to classes rather than properties. The majority of DwC terms are<br>
properties. So, can "iao:example of usage" be applied to them?<br>
<br>
<br>
<br>
?amonn<br>
<br>
<br>
<br>
[1] <<a href="http://purl.obolibrary.org/obo/IAO_0000112" target="_blank">http://purl.obolibrary.org/obo/IAO_0000112</a>><br>
<a href="http://purl.obolibrary.org/obo/IAO_0000112" target="_blank">http://purl.obolibrary.org/obo/IAO_0000112</a><br>
<br>
<br>
<br>
From: <a href="mailto:tdwg-content-bounces@lists.tdwg.org">tdwg-content-bounces@lists.tdwg.org</a><br>
[mailto:<a href="mailto:tdwg-content-bounces@lists.tdwg.org">tdwg-content-bounces@lists.tdwg.org</a>] On Behalf Of Markus D?ring<br>
Sent: 20 March 2015 14:35<br>
To: John Wieczorek<br>
Cc: TDWG Content Mailing List<br>
Subject: Re: [tdwg-content] Darwin Core Proposal - term content<br>
recommendations to comments<br>
<br>
<br>
<br>
Thanks John,<br>
<br>
<br>
<br>
mostly repeating what I said earlier I would prefer to coin the new example<br>
term in the existing dwcattributes namespace.<br>
<br>
It feels more consistent, is very straight forward and as you say we can<br>
always declare same as relations elsewhere if that is really useful to<br>
anyone.<br>
<br>
I cannot see any immediate advantage of reusing either the skos or the iao<br>
term over minting a new one in the single dwcattributes namespace that helps<br>
documenting our dwc terms.<br>
<br>
<br>
<br>
Markus<br>
<br>
<br>
<br>
<br>
<br>
On 20 Mar 2015, at 14:14, John Wieczorek <<a href="mailto:tuco@berkeley.edu">tuco@berkeley.edu</a>> wrote:<br>
<br>
<br>
<br>
<br>
<br>
Dear all,<br>
<br>
<br>
<br>
I would like to summarize my understanding of the state of the proposal to<br>
put term content recommendations in comments consistently, rather than in<br>
the definitions where they can sometimes be found. There has been universal<br>
support for this idea.<br>
<br>
<br>
<br>
A second part of the proposal was to take this opportunity to separate the<br>
examples from the comments using a distinct property to do so in the rdf<br>
definitions of the terms. There has also been universal support for this<br>
idea.<br>
<br>
<br>
<br>
Discussion revolved around how to accomplish the second part of the<br>
proposal. I originally proposed a new attribute "dwcattributes:example",<br>
which would be included once for every distinct example of term usage - with<br>
potentially many per Darwin Core term. There was universal support for the<br>
idea of enabling this capability, though there was mixed opinion about using<br>
an existing term instead of minting a new one in the dwcattributes<br>
namespace. Specifically, "skos:example" and "iao:example of usage" were<br>
discussed. Potential problems with "skos:example" were pointed out. Similar<br>
concerns about "iao:example of usage" were addressed, leaving this option<br>
still open for consideration.<br>
<br>
<br>
<br>
It is not entirely clear technically (to me, anyway) how the annotation<br>
property "iao:example of usage" would be imported into the normative rdf<br>
document. I'm unaware of an OWL to RDF import mechanism. That doesn't mean<br>
much, because I am not an expert. If there is not, I suppose we would have<br>
to define an rdf file ourselves for the iao term and import that into<br>
dwcattributes or into the normative Darwin Core rdf file(s) directly. I<br>
don't think this would be a rigorous solution, but it would demonstrate our<br>
intent fairly well, especially if there were comments to that effect in the<br>
rdf files. Some guidance here might help us make a final decision on this<br>
topic.<br>
<br>
<br>
<br>
If there is no clear and rigorous solution to the rdf import problem from<br>
IAO, then it may just be easier to coin "dwcattributes:example" as<br>
originally proposed, at least for now, and worry about it's equivalence to<br>
"iao:example of usage" on the ontology side (BCO).<br>
<br>
<br>
<br>
I would really like to get the broader issue resolved soon, as we do already<br>
have consensus on making the contents of the definitions and comments<br>
consistent. If we can't resolve how to separate the examples (even though we<br>
agree that it is a good idea), I will propose that we forget that added part<br>
of the proposal and just deal with the consistency issue first.<br>
<br>
<br>
<br>
Comments encouraged, as always.<br>
<br>
<br>
<br>
Cheers,<br>
<br>
<br>
<br>
John<br>
<br>
<br>
<br>
On Thu, Feb 5, 2015 at 10:01 AM, Ramona Walls <<a href="mailto:rlwalls2008@gmail.com">rlwalls2008@gmail.com</a>> wrote:<br>
<br>
As far as I know, iao:example of usage also allows both literals and URLs as<br>
the range. However, I fail to see a serious problem with that, and to me,<br>
the benefits of re-using existing properties far outway the benefits I could<br>
see from having a separate set of properties for literals. Also, I don't<br>
know anyone who reasons over annotations properties, although I am sure<br>
there are those who do.<br>
<br>
In response to Paul Morris's comment, simply using iao:example of usage does<br>
not import all of IAO, and therefore does not include any of the "baggage"<br>
of using IAO.<br>
<br>
Ramona<br>
<br>
<br>
<br>
<br>
------------------------------------------------------<br>
Ramona L. Walls, Ph.D.<br>
Scientific Analyst, The iPlant Collaborative, University of Arizona<br>
Research Associate, Bio5 Institute, University of Arizona<br>
Laboratory Research Associate, New York Botanical Garden<br>
<br>
<br>
<br>
On Thu, Feb 5, 2015 at 10:48 AM, Richard Pyle <<a href="mailto:deepreef@bishopmuseum.org">deepreef@bishopmuseum.org</a>><br>
wrote:<br>
<br>
Like others, I like the idea in principle, but I?m not well-versed in the<br>
implications of alternate approaches to implementation to weigh in on that.<br>
Whatever technical solution is adopted, I would like to hope that it<br>
supports the representation of more than a single example; as sometimes it<br>
is useful to show alternate forms of acceptable content.<br>
<br>
<br>
<br>
Aloha,<br>
<br>
Rich<br>
<br>
<br>
<br>
<br>
<br>
From: <a href="mailto:tdwg-content-bounces@lists.tdwg.org">tdwg-content-bounces@lists.tdwg.org</a><br>
[mailto:<a href="mailto:tdwg-content-bounces@lists.tdwg.org">tdwg-content-bounces@lists.tdwg.org</a>] On Behalf Of John Wieczorek<br>
Sent: Thursday, February 05, 2015 7:22 AM<br>
To: Paul J. Morris<br>
Cc: TDWG Content Mailing List; Ramona Walls<br>
Subject: Re: [tdwg-content] Darwin Core Proposal - term content<br>
recommendations to comments<br>
<br>
<br>
<br>
Does anyone have similar concerns about iao:example?<br>
<br>
<br>
<br>
On Thu, Feb 5, 2015 at 2:09 PM, Paul J. Morris <<a href="mailto:mole@morris.net">mole@morris.net</a>> wrote:<br>
<br>
On Thu, 5 Feb 2015 11:17:58 -0500<br>
Bob Morris <<a href="mailto:morris.bob@gmail.com">morris.bob@gmail.com</a>> wrote:<br>
> But skos:note and its subproperties (including skos:example) can take<br>
> literals or references [1]. To me, that weighs more than the<br>
> baggage of minting two new terms.<br>
<br>
Also, SKOS, unless care is taken to import the Owl-DL version, brings<br>
you into Owl-Full, with undesirable consequences for those who wish to<br>
do reasoning. In early versions of dwcFP, we did include SKOS terms,<br>
but removed them because of the consequences for reasoning.<br>
<br>
SKOS has some nice terms, reuse is a nice idea, but it comes with<br>
significant knowledge engineering consequences.<br>
<br>
-Paul<br>
--<br>
Paul J. Morris<br>
Biodiversity Informatics Manager<br>
Harvard University Herbaria/Museum of Comparative Zo?logy<br>
<a href="mailto:mole@morris.net">mole@morris.net</a> AA3SD PGP public key available<br>
<br>
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</blockquote></div><br></div></div></div></div></div>