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<p class="MsoNormal">We have a meeting scheduled for 0700 PDT on Monday, 12 Jul 2021.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b><span style="color:black">Next Working Meeting, 12 July 21 @ 0700 AM PDT</span></b><o:p></o:p></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">Agenda:</span><o:p></o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoNormal" style="color:black;mso-list:l1 level1 lfo4">Briefly review these notes <o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l1 level1 lfo4">Review Fred’s spreadsheet with Akiro-san additions and results of analysis<o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l1 level1 lfo4">Review Peter’s “singing and dancing” diagrams<o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l1 level1 lfo4">Review Costin & Ramon’s explorations into updated diagrams and representation approaches<o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hope to see you all there.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks, Peter<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<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>Peter Shames <peter.m.shames@jpl.nasa.gov><br>
<b>Date: </b>Monday, June 14, 2021 at 4:35 PM<br>
<b>To: </b>SEA-SA <sea-sa@mailman.ccsds.org><br>
<b>Subject: </b>[EXTERNAL] [Sea-sa] Brief meeting notes for SEA-SA RADS Working Meeting on 14 June 2021<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<p class="MsoNormal"><b><span style="color:black">SEA-SA RASDS working meeting on 14 June 21</span></b><o:p></o:p></p>
<p class="MsoNormal"><span style="color:black"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:black">Attendees: Huang, Krosley, Radulescu, Shames, Slane, Stangl</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:black"> </span><o:p></o:p></p>
<p class="MsoNormal"><u><span style="color:black">Review of TC20/SC14 issues – Fred Slane</span></u><o:p></o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoNormal" style="color:black;mso-list:l3 level1 lfo1">Reviewed the outcome of the TC20/SC14 meeting held on 21 May 2021<o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l3 level1 lfo1">Focus is on how the RASDS++ framework will support the SC14 needs for a descriptive framework / methodology<o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l3 level1 lfo1">SC14 expects to leverage existing ISO 42010 and 15288 documents, along with RASDS and some references from NASA SE standards<o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l3 level1 lfo1">SC14 has two existing documents that represent its plan of work: a spreadsheet showing all of the projects, one line per document, showing the WG responsible, and a PDF file from Akiro-san that
sorts the documents according to what might be described as “categories”, as in “ICD”, “SE”, “Management”, “Design”, “Operations”, and “Debris/disposal”. These roughly align with what ISO 15288 describes as “stages” in a mission’s lifetime.<o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l3 level1 lfo1">In the Project Spreadsheet Fred has added four new columns: “Element”, “Tier”, “Viewpoint”, and “Technical Area”, with the intent of providing the means to tag each of these standards as to what
role they play along these different dimensions: <o:p></o:p>
<ul style="margin-top:0in" type="disc">
<li class="MsoNormal" style="color:black;mso-list:l3 level2 lfo1">Element: space, ground, launch, or some combination thereof<o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l3 level2 lfo1">Tier: Mission, Segment, System, Subsystem, Unit, Assembly, materials<o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l3 level2 lfo1">Viewpoint: Physical, Operational, Enterprise, Functional, …<o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l3 level2 lfo1">Technical Area (maybe really ISO 15288 “Stage”): Mgmt, Design, Engineering, I&T, V&V, Operations<o:p></o:p></li></ul>
</li><li class="MsoNormal" style="color:black;mso-list:l3 level1 lfo1">We had some further discussion on how these two spreadsheets might be related and what needs to be done to reconcile them. This is really SC14 work that we might be able to assist with. <o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l3 level1 lfo1">=> Action item: Request that Fred try adding an “Akiro-san” column to the existing SC14 spreadsheet to see how these “categories”, which seem most closely related to “15288 Stages”, align with
the four columns he already had added<o:p></o:p></li></ul>
<p class="MsoNormal" style="margin-left:.5in"><span style="color:black"> </span><o:p></o:p></p>
<p class="MsoNormal"><u><span style="color:black">Operations Ontology / Presentation Discussion – Radulescu</span></u><o:p></o:p></p>
<ul type="disc">
<li class="MsoListParagraph" style="mso-list:l2 level1 lfo2"><span style="color:black">Costin presented an example of an Operations View, using a sort of UML Activity diagram style. This one was focused at a high level on mission planning through execution
and archival processing.</span><o:p></o:p></li><li class="MsoListParagraph" style="mso-list:l2 level1 lfo2"><span style="color:black">The obvious question is: “Just what gets represented on these kinds of diagrams?” Is it just flows of data with some sense of precedence or does it show a timeline? What
do the “swimlanes” represent: systems, functional groups, organizations? What are the objects: functions, activities, processes?</span><o:p></o:p></li><li class="MsoListParagraph" style="mso-list:l2 level1 lfo2"><span style="color:black">How do the elements in these Activity diagrams relate to the systems, functions, processes, information documented elsewhere in the model?</span><o:p></o:p></li><li class="MsoListParagraph" style="mso-list:l2 level1 lfo2"><span style="color:black">We reviewed some of the functional viewpoint decomposition diagrams in the ASL GB (371.0-G-1) that helped sort out a viable approach</span><o:p></o:p></li><li class="MsoListParagraph" style="mso-list:l2 level1 lfo2"><span style="color:black">Approach:</span>
<o:p></o:p>
<ul type="circle">
<li class="MsoListParagraph" style="mso-list:l2 level2 lfo2"><span style="color:black">Use horizontal swimlanes</span><o:p></o:p></li><li class="MsoListParagraph" style="mso-list:l2 level2 lfo2"><span style="color:black">Assign a swimlane to each of the functional elements to be represented (functional groups, functions, or even teams if that is needed)</span><o:p></o:p></li><li class="MsoListParagraph" style="mso-list:l2 level2 lfo2"><span style="color:black">Within a swimlane proceed in time order, left to right, starting at the top left</span><o:p></o:p></li><li class="MsoListParagraph" style="mso-list:l2 level2 lfo2"><span style="color:black">Represent the process steps (or lower level activities of actions) as the items in the swimlanes</span><o:p></o:p></li><li class="MsoListParagraph" style="mso-list:l2 level2 lfo2"><span style="color:black">Show the flows between process steps in time order, and name the data types that get exchanged (described in the Information Viewpoint)</span><o:p></o:p></li></ul>
</li><li class="MsoListParagraph" style="mso-list:l2 level1 lfo2"><span style="color:black">Fred also wanted to see a “singing and dancing” pair of diagrams, where the functions from the functional view are numbered and matched with the activity view.
</span><o:p></o:p></li><li class="MsoListParagraph" style="mso-list:l2 level1 lfo2"><span style="color:black">=> Action item: Peter agreed to produce one of these “singing and dancing” pair diagrams, showing a few steps of the “dance”</span><o:p></o:p></li></ul>
<p class="MsoNormal"><u>Physical Viewpoint / Ontology Discussion – Krosley</u><o:p></o:p></p>
<ul type="disc">
<li class="MsoListParagraph" style="mso-list:l0 level1 lfo3">Ramon discussed the issues he has seen in trying to use Magic Draw, or other UML/SysML tools to manipulate and display OWL knowledge representations<o:p></o:p></li><li class="MsoListParagraph" style="mso-list:l0 level1 lfo3">Apparently some of the UML/SysML tools are not capable of ingesting OWL, although some can do this<o:p></o:p></li><li class="MsoListParagraph" style="mso-list:l0 level1 lfo3">Even though these tools use adaptations of XMI for their own export/import, in none of these tools do the XMI export formats preserve drawings in a form that can be exchanged with other tools. The
objects and relationships are preserved, the drawing representations are not.<o:p></o:p></li><li class="MsoListParagraph" style="mso-list:l0 level1 lfo3">Ramon reviewed the updates he made to the Physical ontology view, which also added some
<o:p></o:p></li><li class="MsoListParagraph" style="mso-list:l0 level1 lfo3">=> Action item: Costin and Ramon to continue to pursue evaluation of good tools to represent the ontology with clean presentation and labelled arcs<o:p></o:p></li><li class="MsoListParagraph" style="mso-list:l0 level1 lfo3">=> Action item: Peter to produce simple examples of system and process decomposition profiles<o:p></o:p></li></ul>
<p class="MsoNormal"><b><span style="color:black">Next Working Meeting, 12 July 21 @ 0700 AM PDT</span></b><o:p></o:p></p>
<p class="MsoNormal"><span style="color:black">Agenda:</span><o:p></o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoNormal" style="color:black;mso-list:l1 level1 lfo4">Briefly review these notes <o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l1 level1 lfo4">Review Fred’s spreadsheet with Akrio-san additions and results of analysis<o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l1 level1 lfo4">Review Peter’s “singing and dancing” diagrams<o:p></o:p></li><li class="MsoNormal" style="color:black;mso-list:l1 level1 lfo4">Review Costin & Ramon’s explorations into updated diagrams and representation approaches<o:p></o:p></li></ul>
<p class="MsoNormal"><span style="color:black"> </span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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