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This all sounds very interesting and like a lot of work is to be done.
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<div class="">I’ll be interested to see how you progress and what the longer term actions will be.</div>
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<div class="">Alasdair</div>
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<div class="">On 11 May 2016, at 13:30, Frederic V. Hessman <<a href="mailto:hessman@astro.physik.uni-goettingen.de" class="">hessman@astro.physik.uni-goettingen.de</a>> wrote:</div>
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Too bad I can’t attend….
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<div class="">Thanks for suggesting a very interesting set of questions! Sounds more like a 2-day meeting than a lunch break….</div>
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<div class="">I<span class="" style="font-size: 12.8px;">VOA Vocabularies</span></div>
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<div style="font-size: 12.8px;" class="">Products and main stakeholders:</div>
<div style="font-size: 12.8px;" class="">- Theory vocabularies (Frank Le Petit / VO Paris)</div>
<div style="font-size: 12.8px;" class="">- Datalink (Markus/Pat / IVOA community)</div>
<div style="font-size: 12.8px;" class="">- IVOAT</div>
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I was kind of waiting for the official vocabulary platform to appear before doing anything further, but never heard anything (and was too busy to ask) - Norman?</div>
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<div class="">It was supposed to contain a distinctly smaller subset of my original IVOAT suggestion, which necessarily means using multiple additonal vocabularies, depending upon what one needs and what was left out - whose? One can easily purge the old historical
stuff from IAU93 and useful things from theory & modelling vocabularies, but the rest? How does the non-cognoscenti find what’s out there and what one should use?</div>
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<div style="font-size: 12.8px;" class="">- UAT (CfA Library, ADS, AAS / Publishing community)</div>
<div style="font-size: 12.8px;" class="">- UCDs (CDS / IVOA community)</div>
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e.g. maintenance of UCD’s in SKOS?</div>
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<div style="font-size: 12.8px;" class="">- Facilities (Baptiste Cecconi / IVOA Community)</div>
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<div style="font-size: 12.8px;" class="">Maintenance and Curation</div>
<div style="font-size: 12.8px;" class="">- no mandates: the curators should use the best/most efficient tools</div>
<div style="font-size: 12.8px;" class="">- best practices: to promote use of the vocabularies, we should recommend:</div>
<div style="font-size: 12.8px;" class=""> - feedback: how feedback from community is incorporated into curation process</div>
<div style="font-size: 12.8px;" class=""> - versioning: how releases are created</div>
<div style="font-size: 12.8px;" class=""> - process: how vocabularies are vetted by the IVOA semantics WG</div>
<div style="font-size: 12.8px;" class=""> - publishing: how machine-readable formats are created and hosted</div>
<div style="font-size: 12.8px;" class=""> - provenance and history: tracking changes<span style="white-space:pre-wrap" class="">
</span>over time,<span style="white-space:pre-wrap" class=""> </span>preserving history of changes</div>
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- best practices for quoting and using other vocabularies<br class="">
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<div style="font-size: 12.8px;" class="">Publishing</div>
<div style="font-size: 12.8px;" class="">- what is the version of record?</div>
<div style="font-size: 12.8px;" class=""> - current relases on github/institutional repo</div>
<div style="font-size: 12.8px;" class=""> - "blessed" version on IVOA website</div>
<div style="font-size: 12.8px;" class="">- what is the minimal publishing requirement?</div>
<div style="font-size: 12.8px;" class=""> - periodic dumps of SKOS file(s) upon releases</div>
<div style="font-size: 12.8px;" class=""> - HTML landing pages for overall product and items</div>
<div style="font-size: 12.8px;" class="">- where should it be hosted?</div>
<div style="font-size: 12.8px;" class=""> - <a href="http://ivoa.net/" target="_blank" class="">ivoa.net</a> (but under<span style="white-space:pre-wrap" class="">
</span>what structure and format)</div>
<div style="font-size: 12.8px;" class=""> - an institutional website (hosted by main curators, endorsed<span style="white-space:pre-wrap" class="">
</span>by IVOA)</div>
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The IVOA should be a central vocabulary host even if the nominal official copy is somewhere else - simply need to require a minimum of version control and documentation.</div>
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<div style="font-size: 12.8px;" class="">Facilities vocabulary</div>
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<div style="font-size: 12.8px;" class="">Stakeholders and Use cases</div>
<div style="font-size: 12.8px;" class="">- AAS: tag facilities in a machine readable way to facilitate downstream detection</div>
<div style="font-size: 12.8px;" class=""> (via indexing/search)</div>
<div style="font-size: 12.8px;" class="">- CDS: assign facilities</div>
<div style="font-size: 12.8px;" class="">- Planetary community:</div>
<div style="font-size: 12.8px;" class="">- <a href="http://arcsecond.io/" target="_blank" class="">arcsecond.io</a>: is building facilities/instruments list</div>
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<div style="font-size: 12.8px;" class="">Requirements/Questions (these influence discovery, access and use):</div>
<div style="font-size: 12.8px;" class="">- level of granularity</div>
<div style="font-size: 12.8px;" class="">- what metadata to include (e.g. long, lat?)</div>
<div style="font-size: 12.8px;" class="">- includes archives? Services? Where is the boundary?</div>
<div style="font-size: 12.8px;" class="">- what is its relationship with entries in the registry if any?</div>
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<div class="">Rick</div>
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Alasdair J G Gray</div>
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Fellow of the Higher Education Academy<br class="">
Assistant Professor in Computer Science, <br class="">
School of Mathematical and Computer Sciences <br class="">
(Athena SWAN Bronze Award)<br class="">
Heriot-Watt University, Edinburgh UK.<br class="">
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Email: <a href="mailto:A.J.G.Gray@hw.ac.uk" class="">A.J.G.Gray@hw.ac.uk</a><br class="">
Web: <a href="http://www.macs.hw.ac.uk/~ajg33" class="">http://www.macs.hw.ac.uk/~ajg33</a><br class="">
ORCID: <a href="http://orcid.org/0000-0002-5711-4872" class="">http://orcid.org/0000-0002-5711-4872</a><br class="">
Office: Earl Mountbatten Building 1.39<br class="">
Twitter: @gray_alasdair<br class="">
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