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<p class="MsoNormal"><span class="EmailStyle32">Hi Robert,<o:p></o:p></span></p>
<p class="MsoNormal"><span class="EmailStyle32"><o:p> </o:p></span></p>
<p class="MsoNormal"><span class="EmailStyle32">My suggestion is that you propose a specific, focused, topic for the next SAWG / RASDS working meeting and we’ll put it on the agenda. That would be 13 Dec.<o:p></o:p></span></p>
<p class="MsoNormal"><span class="EmailStyle32"><o:p> </o:p></span></p>
<p class="MsoNormal"><span class="EmailStyle32">Ok?<o:p></o:p></span></p>
<p class="MsoNormal"><span class="EmailStyle32"><o:p> </o:p></span></p>
<p class="MsoNormal"><span class="EmailStyle32">Thanks, Peter<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">SEA-SA <sea-sa-bounces@mailman.ccsds.org> on behalf of SEA-SA <sea-sa@mailman.ccsds.org><br>
<b>Reply-To: </b>Robert Rovetto <ontologos@yahoo.com><br>
<b>Date: </b>Monday, November 22, 2021 at 1:44 PM<br>
<b>To: </b>SEA-SA <sea-sa@mailman.ccsds.org><br>
<b>Subject: </b>[EXTERNAL] Re: [Sea-sa] Meeting reminder - SEA-SA, RASDS subset, Monday, 8 Nov 21<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Following-up on my Nov 4th email, any thoughts/input/replies?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">If it's helpful to have a group call with anyone interested, that's good because I can show the file, for example.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">On Thursday, November 4, 2021, 11:32:52 PM EDT, Robert Rovetto <ontologos@yahoo.com> wrote:
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">Re:OML...I'll volunteer to look more deeply into OML and would be helpful to coordinate with anyone else that wants to. I already have material on it, and was aware
of it. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">A demo would be worthwhile. I recommend we ask them to also show the Physical spacecraft elements, Mass Element list, and Power Element list, even if they're not
complete yet. That will give a good overview of the entire work. Can we do that?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">On that note, there's other languages we can look into, one of which I believe I screen-shared in our call when revising the diagram.
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">Re:other parts of the email...<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">- To reiterate a previous emails call for contributors to the Forward Plan (the yellow-highlighted part at the end of the email), I volunteer for the Ontology Models
section in that.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">Re:the PPT...<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">- On slide 66: to answer the question in red text...<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">My short answer is 'no'. But it also depends on what we mean by definition.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">I answer no, because the slide displays graph diagrams whose elements represent or are labeled by category terms and relational terms, but they are not themselves
defined there. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">- I have some questions for slide 81, but maybe can wait for a call<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">-
<i>Recommendation for naming-convention: </i>use lower case for<i> </i>relational terms.<o:p></o:p></span></p>
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<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">Rationale:
</span></i><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">the diagrams current show inconsistent naming styles (i'm focusing on the ontology diagram slides) Lower case relational terms, if phrased right, will read more naturally when
either (a) the graph is read by a person, or (b) the terms are displayed in full formal expressions like in sentence form.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A">- I took the liberty to work on and attached the updated OWL file I made in 2020* to reflect slide 14.
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A">*See my email from 9 Nov 2020 and the Dropbox link.
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A">I don't know if that 2020 file was useful or used, so if it was, please let me know.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A"><o:p> </o:p></span></p>
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<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A">Off-topic, but relevant for the overall modeling topic:
</span></i><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A">If cabin fever didn't make me forget to mention it before, but yesterday I had a<a href="https://urldefense.us/v3/__https:/atpi.eventsair.com/QuickEventWebsitePortal/esaw-2021/website/Agenda/AgendaItemDetail?id=1e4811b9-1143-478a-bec6-e262958df952__;!!PvBDto6Hs4WbVuu7!aHueihbfIVaLbiTM12wO1nJ-O8R5hIS84Q8tm_jZnb5ZiOGWkkTVxWObjj87-GEP7g6WBqoK$" target="_blank">
presentation at an ESA workshop</a>. If anyone attended, great. If anyone wants a screen-share to go over the presentation, please let me know.
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A">Robert Rovetto<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A">--<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A"><a href="https://urldefense.us/v3/__http:/tinyurl.com/r2qb6d42__;!!PvBDto6Hs4WbVuu7!aHueihbfIVaLbiTM12wO1nJ-O8R5hIS84Q8tm_jZnb5ZiOGWkkTVxWObjj87-GEP7kvoj_V-$" target="_blank">Schedule
a Meeting</a>.<o:p></o:p></span></p>
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<p class="MsoNormal"><span class="yiv8526429615ydpeea8591dpasted-link"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A"><a href="https://urldefense.us/v3/__https:/tinyurl.com/yas7trzy__;!!PvBDto6Hs4WbVuu7!aHueihbfIVaLbiTM12wO1nJ-O8R5hIS84Q8tm_jZnb5ZiOGWkkTVxWObjj87-GEP7kyAz5IX$" target="_blank">Hire
services</a>.</span></span><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A"><a href="https://urldefense.us/v3/__http:/purl.org/space-ontology__;!!PvBDto6Hs4WbVuu7!aHueihbfIVaLbiTM12wO1nJ-O8R5hIS84Q8tm_jZnb5ZiOGWkkTVxWObjj87-GEP7h29BFUp$" target="_blank">Orbital
Space Domain Knowledge Modeling Project</a> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A">(Seeking formal collaborations & Sponsors.
<a href="https://urldefense.us/v3/__https:/gogetfunding.com/knowledge-organization-services-ontology-terminology-metadata-concept-analysis/__;!!PvBDto6Hs4WbVuu7!aHueihbfIVaLbiTM12wO1nJ-O8R5hIS84Q8tm_jZnb5ZiOGWkkTVxWObjj87-GEP7r2kcbuu$" target="_blank">
Donate</a> or <a href="https://urldefense.us/v3/__https:/gogetfunding.com/creating-meaning-full-space-terminologies-knowledge-models-for-space-safety/__;!!PvBDto6Hs4WbVuu7!aHueihbfIVaLbiTM12wO1nJ-O8R5hIS84Q8tm_jZnb5ZiOGWkkTVxWObjj87-GEP7lPUzmuO$" target="_blank">
Support here</a>)<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A">NASA Datanauts Open Data Initiative (2017-20)<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A"><a href="https://urldefense.us/v3/__http:/www.coder.umd.edu/node/287__;!!PvBDto6Hs4WbVuu7!aHueihbfIVaLbiTM12wO1nJ-O8R5hIS84Q8tm_jZnb5ZiOGWkkTVxWObjj87-GEP7p5rDMTH$" target="_blank">Research
Affiliate</a>, Center for Orbital Debris Education & Research<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A">Education Committee, International Association for Ontology and its Applications.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A"><a href="https://urldefense.us/v3/__http:/orcid.org/0000-0003-3835-7817__;!!PvBDto6Hs4WbVuu7!aHueihbfIVaLbiTM12wO1nJ-O8R5hIS84Q8tm_jZnb5ZiOGWkkTVxWObjj87-GEP7hUtlM1W$" target="_blank">ORCID
Profile</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Helvetica;color:#26282A"><a href="https://urldefense.us/v3/__https:/github.com/rrovetto__;!!PvBDto6Hs4WbVuu7!aHueihbfIVaLbiTM12wO1nJ-O8R5hIS84Q8tm_jZnb5ZiOGWkkTVxWObjj87-GEP7i416EPB$" target="_blank">https://github.com/rrovetto</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">On Thursday, November 4, 2021, 08:06:02 PM EDT, Shames, Peter M (US 312B) via SEA-SA <sea-sa@mailman.ccsds.org> wrote:
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<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">Dear SEA-SA RASDS enthusiasts,<o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"> <o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">We have a working meeting scheduled for this coming Monday, 8 Nov. The attached presentation includes the latest set of updates that I have at hand.
I have been making a “consistency” pass over the materials, intended to bring the various views up to a common level of details and perspectives. To that end there are several new pages added and some changes to others for consistency. These changes deal
with several, but not all, of the “Forward Plan” issues identified in the notes from the last meeting, which are appended here.<o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"> <o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">I draw your attention, in particular, to the following pages: 21-23, 27-28, 34-35, 39-42, 45-48, 52, 58-59, 69, and 90-101 (SysML annex).<o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"> <o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">I’d also like to draw your attention to the Operations Viewpoint, pgs 61 – 66. In looking at these diagrams, and trying to create a one page “this is
how to represent this” diagram (mocked up on pg 63), like pgs 20, 26, 34, etc I felt like we had not yet really come to closure on just what this viewpoint was. Please see pg 62 for the questions I think we need answers for.<o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"> <o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">I think we still have similar questions re the Physical Viewpoint. We have stated some concepts of how these components tie to the other physical components
(Nodes & Links) in the Connectivity Viewpoint, but these ideas are not yet “crisp” in my mind. I’d like the aspects of this view to be more concrete. For one possible approach to that see below where I talk about openCAESAR and OML.<o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"> <o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">The other area that still feels “soggy” to me, i.e. “not crisp” is how we model the terminology / ontology. In these updates I have adopted treating
these ontological representations as info models (which is what they are). Felt nicely recursive, see if you agree. It does still mean that we create all of these ontologies “by hand”, which in this day and age seems rather retro. We’ve tried some different
tools that use OWL and other approaches, but none has, as yet “sparked”. I have just loaded Eclipse, and I think Ramon has too. There are a variety of modeling plug-ins that may give us the traction we need, and the platform is a) free, b) works on Mac and
PC, and c) has a substantial international community. It’s being used to good effect by the CSS SM WG for their Functional Resource Models (FRM). Perhaps someone will take on the task of digging into this and providing some consistent ontology models. There
is also a SysML plugin for Eclipse.<o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"> <o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A">I also learned of a different, but related, body of work called Ontological Modeling Language (OML). There are TLA several variations on “OML” so search
for the full name. And there is an open source project called openCAESAR. To quote from one of the leads:<o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"> <o:p></o:p></span></p>
<p class="yiv8526429615msonormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">OML is also “free”. It’s provided by the open source project “openCAESAR” (<a href="https://urldefense.us/v3/__http:/www.opencaesar.io/__;!!PvBDto6Hs4WbVuu7!aHueihbfIVaLbiTM12wO1nJ-O8R5hIS84Q8tm_jZnb5ZiOGWkkTVxWObjj87-GEP7hDkeZeD$" target="_blank" title="http://www.opencaesar.io/"><span style="color:#0563C1">http://www.opencaesar.io/</span></a>)
with a specification at<span class="yiv8526429615apple-converted-space"> </span><a href="https://urldefense.us/v3/__http:/www.opencaesar.io/oml/__;!!PvBDto6Hs4WbVuu7!aHueihbfIVaLbiTM12wO1nJ-O8R5hIS84Q8tm_jZnb5ZiOGWkkTVxWObjj87-GEP7ioS1V1S$" target="_blank"><span style="color:#0563C1">http://www.opencaesar.io/oml/</span></a>.</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal" style="margin-left:.5in;word-spacing:0px"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black"> </span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal" style="margin-left:.5in;word-spacing:0px"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">OML (Ontological Modeling Language) is a language that allows you to model ontologies. OML ontologies are of
4 types:</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal" style="margin-left:.5in;word-spacing:0px"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black"> </span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msolistparagraph" style="mso-margin-top-alt:5.0pt;margin-right:0in;margin-bottom:0in;margin-left:1.0in">
<span style="font-size:10.0pt;font-family:Symbol;color:black">·</span><span style="font-size:7.0pt;font-family:"New",serif;color:black">
</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">Vocabularies: defines your domain’s concepts, aspects, relations, properties, rules (inference rules) with open-world semantics</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msolistparagraph" style="mso-margin-top-alt:5.0pt;margin-right:0in;margin-bottom:0in;margin-left:1.0in">
<span style="font-size:10.0pt;font-family:Symbol;color:black">·</span><span style="font-size:7.0pt;font-family:"New",serif;color:black">
</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">Vocabulary bundles: combines several inter-related ontologies and closes the world for them to permit “description logic” reasoning</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msolistparagraph" style="mso-margin-top-alt:5.0pt;margin-right:0in;margin-bottom:0in;margin-left:1.0in">
<span style="font-size:10.0pt;font-family:Symbol;color:black">·</span><span style="font-size:7.0pt;font-family:"New",serif;color:black">
</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">Description: defines your systems as instances using terms from some vocabulures above</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msolistparagraph" style="mso-margin-top-alt:5.0pt;margin-right:0in;margin-bottom:0in;margin-left:1.0in">
<span style="font-size:10.0pt;font-family:Symbol;color:black">·</span><span style="font-size:7.0pt;font-family:"New",serif;color:black">
</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">Description bundle: combines your descriptions in a dataset that can be reasoned on</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal" style="margin-left:.5in;word-spacing:0px"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black"> </span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal" style="margin-left:.5in;word-spacing:0px"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">OML is a higher level syntax around OWL2-DL (which supports DL reasoning) and SWRL (ability to extend DL semantics
with more logical inference rules).</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal" style="margin-left:.5in;word-spacing:0px"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black"> </span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal" style="margin-left:.5in;word-spacing:0px"><u><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">We can give you a demo if you’re interested.</span></u><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal" style="word-spacing:0px"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black"> </span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">Full disclosure: This has been developed at JPL as part of the Integrated Model Centric Engineering (IMCE) project, and OML and CAESAR and parts of the
underpinnings for this project. They are using this whole framework in three different ways:</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<ol start="1" type="1">
<li class="yiv8526429615msolistparagraph" style="color:black;mso-list:l2 level1 lfo1">
<span style="font-size:10.0pt;font-family:"Helvetica Neue"">Framework for formally modeling (and checking for consistency) ontologies<o:p></o:p></span></li><li class="yiv8526429615msolistparagraph" style="color:black;mso-list:l2 level1 lfo1">
<span style="font-size:10.0pt;font-family:"Helvetica Neue"">The IMCE modeling framework, which is an ontology<o:p></o:p></span></li><li class="yiv8526429615msolistparagraph" style="color:black;mso-list:l2 level1 lfo1">
<span style="font-size:10.0pt;font-family:"Helvetica Neue"">Using the IMCE framework and ontology for modeling mission systems and components, and checking
<u>those</u> “realized” models for consistency with the ontologies (variation of pg 5 in the attached)<o:p></o:p></span></li></ol>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">On the one hand, this is a higher level of rigor than we are attempting to achieve, and they have a team of people working on this. On the other hand,
one of the specific things they are modeling is all the spacecraft physical elements and creating a Mass Element List (MEL) and a Power Element List (PEL). Anyone familiar with space missions knows that these are key gate products, and here they are being
created from checked and validated models.</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black"> </span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">If anyone has an interest in looking more deeply into this and exploring the possibility of using this framework to assist our work I would support getting
a demo and digging more deeply. Don’t be shy, speak up.</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black"> </span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">See you all on Monday.</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black"> </span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">Cheers, Peter</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
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<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black"> </span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"> <o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Times New Roman",serif;color:#070706;background:#FFEE94"> </span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><b><span style="font-size:10.0pt;font-family:"Times New Roman",serif;color:black">RASDS++ working meeting on 18 October 21</span></b><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black"> </span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">Attendees: Huang, Krosley, Radulescu, Rovetto, Sanchez – Aguillar, Shames, Stangl, Vaden</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black"> </span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><u><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">Review of revised RASDS++ Powerpoint Materials (Function, Connectivity, Operation) – led by Shames & Radulescu</span></u><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<ul type="disc">
<li class="yiv8526429615msonormal" style="color:black;mso-list:l0 level1 lfo2"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Reviewed the 16 Oct 21 version of the RASDS++ PPT materials, with focus on overall coverage, consistency of presentation,
terminology<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l0 level1 lfo2"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Stangl made the point that the ECSS has a separate working effort to define a set of Euro-centric terms in a Glossary.
He was requested to review those terms, and the RASDS proposed ones, and identify any overlaps or disconnects. The point was also made that RASDS has chosen to align terminology to widely adopted and respected sources such as ISO 42010, NIST, TOGAF, DoDAF,
and others. The point was made in a later discussion (during the 20 Oct meeting) that in general there seldom is any single source that provides all of the desired terms and that some “detective work” and revising has been needed to create a single self-consistent,
set of terms.<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l0 level1 lfo2"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Agreed during review to retain the viewpoint main object diagrams that show the main objects, input, output and management
interfaces, main attributes, and concerns.<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l0 level1 lfo2"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">During discussion of the Communications Viewpoint (protocols) agreed that we needed a simpler diagram in addition to the
rather complicated one that was included as an example. This later led to adoption of this same general approach for all viewpoints.<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l0 level1 lfo2"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">In the complicated protocol example that had been included we agreed (during 20 Oct discussion) to retain some of the
security features, but to eliminate at least one of the three security approaches that were included. All agreed that security is a very important topic, and that it had to be treated adequately.<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l0 level1 lfo2"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">We spent some time on the Operations Viewpoint and reviewed the Activity Diagram that had been provided as an example.
This brought up a discussion of consistency in the use of object representations across different views. This UML-derived Activity diagram adopted the UML style, which used rounded rectangles for Functions and rectangles for data. But the RASDS unified “Legend”,
pg 10, uses ovals to represent Functions and rounded rectangles to represent Data / Information objects.<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l0 level1 lfo2"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">A separate working session was held by Radulsecu, Rovetto, and Shames, on 19 Oct, to explore ways to improve this Activity
Diagram. The result is in the 20 Oct PPT set, and it uses ovals, rounded rectangles, and dashed arrows, to align with the common practice documented in the Legend.<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l0 level1 lfo2"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Rovetto showed an ontology diagram produced with a tools called VUE and suggested that we explore use of it for the RASDS
ontology diagrams. Rovetto, Radulescu, and Shames explored this during their side meeting and concluded that this tool had some nice presentation features, but that it did not appear to have the ability to handle the OWL formulations that we have created.
It also only works on PCs and not on the more current Mac OS’s, so it is unlikely to meet our needs for an interoperable format / approach.<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l0 level1 lfo2"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">=> A common and agreed method for producing these ontologies is still desired, other options are solicited<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l0 level1 lfo2"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">For the Operations Viewpoint we will also need a less complicated example diagram than the one provided<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l0 level1 lfo2"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">The Activity Diagram, which is an example of use showing what is, in effect, a deep space style mission operations flow,
was the subject of a lot of discussion. There was a stated concern that it was not really accurate, that it did not include comm network activities nor science activities, and that it was missing some typical data flows. All of these observations are likely
accurate, but we have to remember that this is just an example of how this method may be used, it is not intended to accurately depict any given configuration or deployment.<o:p></o:p></span></li></ul>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black"> </span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><b><span style="font-size:10.0pt;font-family:"Times New Roman",serif;color:#070706;background:#FFEE94">SEA-SA</span></b><b><span style="font-size:10.0pt;font-family:"Times New Roman",serif;color:black"> RASDS working meeting
on 20 October 21</span></b><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black"> </span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">Attendees: Huang, Krosley, Radulescu, Shames, Slane, Stangl, Vaden</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black"> </span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><u><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">Review of revised RASDS++ Powerpoint Materials (Enterprise, Connectivity, Operations, Service) – led by Shames & Slane</span></u><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<ul type="disc">
<li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level1 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Reviewed the 18 Oct 21 updated version of the RASDS++ PPT materials, with a continuing focus on overall coverage, consistency
of presentation, terminology<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level1 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Reviewed the consistency in the package across different viewpoints, seeking to ensure a consistent presentation of different
views and levels of detail<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level1 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Agreed on the following pattern for each viewpoint
<o:p></o:p></span></li></ul>
<ul type="disc">
<ul type="circle">
<li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Each viewpoint will have a main object diagram that shows the primary object defined in the viewpoint, input, output and
management interfaces, main attributes, and concerns.<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Each viewpoint will have a “drawing template” diagram showing two (or more) of the objects, the elements that they may
include or directly reference, and how the usual relationships between them are depicted. These are all in the abstract.<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Each viewpoint will have a constrained ontological diagram showing the main object, close “neighbor” objects, and closely
related support objects in context, with relationships<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Each viewpoint will have a simple example diagram showing the use of the drawing template to create a relatively simple
model<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Each viewpoint will have a more complex example view, probably drawn from one of the SCCS-ARD or ASL documents, showing
use of the viewpoint methods to create a more complicated, realistic, view of some typical real elements, in context<o:p></o:p></span></li></ul>
</ul>
<ul type="disc">
<li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level1 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Motivated by the complicated protocol stack diagram, which includes a number of security protocols (data encryption, BP
network layer security, and IPSEC IP layer security) we discussed removing the IPSEC, but also how to handle security in more general terms
<o:p></o:p></span></li></ul>
<ul type="disc">
<ul type="circle">
<li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Agreed to do a pass across the whole document with “security eyes” on, to ensure that we have adequately supported cybersecurity
modeling needs in the model methods & views that are provided<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Ensure that security topics were included in each complicated example where that made sense<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Keeping in mind that we are producing an architecture method and not an architecture, per se<o:p></o:p></span></li></ul>
</ul>
<ul type="disc">
<li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level1 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Reviewed the Enterprise Viewpoint with Fred Slane’s guidance since this is a specific SC14 concern
<o:p></o:p></span></li></ul>
<ul type="disc">
<ul type="circle">
<li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Agreed to adopt many of the “enterprise architecture” terms that were provided, but to ensure that the term “Enterprise”
was used in every case instead of “Business”<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Agreed that the term “Enterprise” was suitably broad enough to cover agencies, projects, multi-mission consortia, government
organizations, businesses, and other commercial entities<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Reviewed the combines Enterprise / System ontology and agreed that this was a useful way of describing the relations ships
(really correspondences) between objects in two different viewpoints<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">This triggered a discussion of how these ontologies, classes, and relationships among classes relate to math, knowledge
graphs, first order logic, and graph theory. This is not a rabbit hole we will explore, but it does have relevance.<o:p></o:p></span></li></ul>
</ul>
<ul type="disc">
<li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level1 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Reviewed the Operations Viewpoint and Ontology
<o:p></o:p></span></li></ul>
<ul type="disc">
<ul type="circle">
<li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Agreed that we need to provide the same sorts of intro diagrams for this VP as for the others in this set<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Agreed that the revised example provided by Rovetto, Radulsecu, and Shames aligns better with the rest of the RASDS++
style<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Agreed that we need a cleaner ontology diagram than either of the ones that we now have<o:p></o:p></span></li></ul>
</ul>
<ul type="disc">
<li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level1 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Reviewed the Services Viewpoint
<o:p></o:p></span></li></ul>
<ul type="disc">
<ul type="circle">
<li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Agreed that the prototype service diagram was acceptable, but that it needed some clean-up (in draft form)<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Agreed that we should focus the Services viewpoint not just on SOA-style service paradigms, but also include options like
on-board message bus, AMS, and web/cloud deployments<o:p></o:p></span></li></ul>
</ul>
<ul type="disc">
<li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level1 lfo3"><b><span style="font-size:10.0pt;font-family:"Helvetica Neue";background:yellow">Forward plan</span></b><span style="font-size:10.0pt;font-family:"Helvetica Neue"">
<o:p></o:p></span></li></ul>
<ul type="disc">
<ul type="circle">
<li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Add / update diagrams to meet agreed contents from this meeting
<o:p></o:p></span></li></ul>
</ul>
<ul type="disc">
<ul type="circle">
<ul type="square">
<li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level3 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Main object diagrams (all) – Shames<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level3 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Drawing template diagrams (all) – Shames<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level3 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Ontology models: Enterprise – Shames/Slane; Functional – Shames; Connectivity & Structural – Krosley/Slane; Operations
– Radulescu; Information & Service - Shames<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level3 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Enterprise Examples – Slane<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level3 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Functional Examples – Shames<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level3 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Connectivity Examples – Shames/Krosley<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level3 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Structural Examples – Krosely<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level3 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Operations Examples – Radulsecu<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level3 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Information Examples – Krosley<o:p></o:p></span></li><li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level3 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Service Examples – Shames/Slane<o:p></o:p></span></li></ul>
</ul>
</ul>
<ul type="disc">
<ul type="circle">
<li class="yiv8526429615msonormal" style="color:black;mso-list:l1 level2 lfo3"><span style="font-size:10.0pt;font-family:"Helvetica Neue"">Security “eyes” review – Shames/Radulescu/Sanchez-Aguillar<o:p></o:p></span></li></ul>
</ul>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black"> </span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:black">Next meeting – 2’nd Monday of the month, 8 Nov 2021</span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"><o:p></o:p></span></p>
<p class="yiv8526429615msonormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282A"> <o:p></o:p></span></p>
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