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Dear Semantics , Dear HEIG <br>
</p>
<p>in the recent IVOA note proposed by HEIG IG : <a
href="https://ivoa.net/documents/Notes/VOHE/20241112/VOHE-Note-draft_1.0.pdf"
class="moz-txt-link-freetext">https://ivoa.net/documents/Notes/VOHE/20241112/VOHE-Note-draft_1.0.pdf</a></p>
<p>Two definitions of data products types are considered . <br>
</p>
<p>see section cited below: <br>
</p>
<pre><font face="Helvetica">6.1.2 Proposed definition to be discussed</font>
<font face="Helvetica"></font><font face="Helvetica"></font>
<font face="Helvetica">A first point to be discuss would be to converge on a proper definition of <span
class="s1">HE</span></font>
<font face="Helvetica"></font><font face="Helvetica"></font>
<font face="Helvetica">specific data products:</font>
<font face="Helvetica"></font><font face="Helvetica"></font>
<font face="Helvetica">• Propose definitions for a product-type
<b>event-list:</b> A collection of ob</font><font face="Helvetica">served events, such as incoming <span
class="s1">HE </span>particles, where an event is gen</font><font
face="Helvetica">erally
characterised by a spatial position, a time and a spectral value</font><font
face="Helvetica"> (e.g. an energy, a channel, a pulse height).</font>
<font face="Helvetica"></font><font face="Helvetica"></font>
<font face="Helvetica">• Proposedefinitionsforaproduct-type
<b>event-bundle:</b> An event-bundle</font><font face="Helvetica"> dataset is a complex object containing an event-list and multiple files or</font>
<font face="Helvetica">other substructures that are products necessary to analyse the event-</font><font
face="Helvetica">list.
Data in an event-bundle may thus be used to produce higher level</font><font
face="Helvetica"> data products such as images or spectra.</font>
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<p>I think we need to include a new dataproduct type for <i>event-bundle</i>
in the current ivoa vocabulary :</p>
<p><a
href="https://www.ivoa.net/rdf/product-type/2024-05-19/product-type.html"
class="moz-txt-link-freetext">https://www.ivoa.net/rdf/product-type/2024-05-19/product-type.html</a><br>
</p>
<p>The process is to propose this new term to the semantics group
and fill in a VEP file for it . <br>
I have opened the VEP-018.txt proposal on this page : <a
href="https://wiki.ivoa.net/twiki/bin/view/IVOA/VEPs"
class="moz-txt-link-freetext">https://wiki.ivoa.net/twiki/bin/view/IVOA/VEPs</a></p>
<p>The file is available here : <a
href="https://github.com/loumir/VEPs/blob/loumir-VEP18-event-bundle/VEP-018.txt">https://github.com/loumir/VEPs/blob/loumir-VEP18-event-bundle/VEP-018.txt<br>
</a>This is a starting point and the content and details can be
refined in the HEIG and Semantics group to produce a more complete
VEP. <br>
</p>
<p>Eager to read your comments , <br>
</p>
<p>thanks , Mireille<br>
</p>
<p><br>
</p>
<p><br>
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<pre class="moz-signature" cols="72">--
--
Mireille Louys, MCF (Assistant Professor)
Centre de données Astronomiques (CDS) Equipe Images, ICube
Observatoire de Strasbourg Telecom Physique Strasbourg
11, rue de l' Université 300, Bd Sebastien Brandt CS 10413
F-67000 Strasbourg F-67412 Illkirch Cedex</pre>
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