<html><head></head><body><div class="ydpb379383eyahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div><div dir="ltr" data-setdir="false">Thanks for that context. <span>I will try. </span>In the meantime, one specific question is: Would people involved in the creation & development of the <span><span>IVOA ontology of astronomical object types </span></span>tell its particular history? <br></div></div>
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On Monday, November 29, 2021, 05:24:57 AM EST, Markus Demleitner <msdemlei@ari.uni-heidelberg.de> wrote:
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<div>Hi Robert,<br clear="none"><br clear="none">On Fri, Nov 26, 2021 at 05:16:54PM +0000, Robert Rovetto wrote:<br clear="none">> Although some tech documentation pages and list archive are on the<br clear="none">> site, I'm interested in understanding more about the history of the<br clear="none">> IVOA ontology. <br clear="none"><br clear="none">Well, there is no IVOA ontology, just several vocabularies. The ones<br clear="none">we currently define are on <a shape="rect" href="http://www.ivoa.net/rdf/. " target="_blank">http://www.ivoa.net/rdf/. </a> Some of these,<br clear="none">indeed, have a rather twisted provenance; refframe, for instance,<br clear="none">takes up bits that once lived in two different XML schemas, which in<br clear="none">turn drew on quite a bit of prior art. The history of an astronomy<br clear="none">thesaurus (the latest incarnation of which, the UAT, is still in the<br clear="none">process of adoption by the IVOA) could fill volumes. And then there<br clear="none">are the UCDs, which have a rich history of their own.<div class="yqt2696325649" id="yqtfd84167"><br clear="none"><br clear="none">> Would anyone--e.g., original ivoa developers--be able to share? <br clear="none">> If willing, a presentation in a meeting would be wonderful.</div><br clear="none"><br clear="none">Most of what you see today went through many hands, and hence it is<br clear="none">not easy to even name the "original ivoa developers" in many cases,<br clear="none">and quite a few of the original protagonists have already retired. <br clear="none"><br clear="none">And so there is not just one history, but quite a number of stories.<br clear="none">It might be methodically enlightening to try and tell one or two of<br clear="none">those, but to pick which one to tell, it would help to have a few<br clear="none">questions that such stories could be intended to answer.<br clear="none"><br clear="none">Could you try and come up with some of these questions?<br clear="none"><br clear="none"> -- Markus<div class="yqt2696325649" id="yqtfd11877"><br clear="none"></div></div>
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