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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>A simple motivating example that I can
think off for your paper would be to have two metamodel libraries<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<ol style='margin-top:0in' start=1 type=1>
 <li class=MsoNormal style='color:navy;mso-list:l0 level1 lfo1'><font size=2
     color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial'>A
     dataflow paradigm with &nbsp;&#8216;Component&#8217; as the base class <o:p></o:p></span></font></li>
 <li class=MsoNormal style='color:navy;mso-list:l0 level1 lfo1'><font size=2
     color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial'>A
     Stateflow paradigm with &#8216;State&#8217; as the base class<o:p></o:p></span></font></li>
</ol>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Now if you want to compose state based and
data flow behavior in one paradigm you can reuse these libraries and make the
State </span></font><font size=2 color=navy face=Wingdings><span
style='font-size:10.0pt;font-family:Wingdings;color:navy'>&oacute;</span></font><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'> to Component.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I don&#8217;t think it has been used. I
guess the reason is because library metamodels themselves haven&#8217;t been
used quite a lot.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Kitty, was trying to use library
metamodels quite a bit and he might have an example.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Thanks,<br>
Adi<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<div>

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face="Times New Roman"><span style='font-size:12.0pt'>

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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
gme-users-bounces@list.isis.vanderbilt.edu
[mailto:gme-users-bounces@list.isis.vanderbilt.edu] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Matthew J. Emerson<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, April 24, 2006 11:40
AM<br>
<b><span style='font-weight:bold'>To:</span></b> gme-users<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [gme-users] an
example of class equivalence?</span></font><o:p></o:p></p>

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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Sure, I was just looking for a real-world case
where someone actually used the operator to stick in a paper I&#8217;m writing.
Maybe even a project or something I could cite or otherwise reference.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>--Matt<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<div>

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face="Times New Roman"><span style='font-size:12.0pt'>

<hr size=2 width="100%" align=center tabindex=-1>

</span></font></div>

<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> <st1:PersonName
w:st="on">gme-users</st1:PersonName>-bounces@list.isis.vanderbilt.edu [mailto:<st1:PersonName
w:st="on">gme-users</st1:PersonName>-bounces@list.isis.vanderbilt.edu] <b><span
style='font-weight:bold'>On Behalf Of </span></b><st1:PersonName w:st="on">Zoltan
 Molnar</st1:PersonName><br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, April 24, 2006 10:37
AM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">gme-users</st1:PersonName><br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [<st1:PersonName
w:st="on">gme-users</st1:PersonName>] an example of class equivalence?</span></font><o:p></o:p></p>

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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

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<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>I can imagine a use case when two
metamodels are composed (through&nbsp;the library feature), and you'd like to
unite two concepts from the two languages using this operator.</span></font><o:p></o:p></p>

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<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>Zoli</span></font><o:p></o:p></p>

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<blockquote style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>

<p class=MsoNormal style='margin-bottom:12.0pt'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> <st1:PersonName w:st="on">gme-users</st1:PersonName>-bounces@list.isis.vanderbilt.edu
[mailto:<st1:PersonName w:st="on">gme-users</st1:PersonName>-bounces@list.isis.vanderbilt.edu]
<b><span style='font-weight:bold'>On Behalf Of </span></b>Matthew J. Emerson<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, April 24, 2006 9:10 AM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">gme-users</st1:PersonName><br>
<b><span style='font-weight:bold'>Subject:</span></b> [<st1:PersonName w:st="on">gme-users</st1:PersonName>]
an example of class equivalence?</span></font><o:p></o:p></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Does anyone ever use the MetaGME Class Equivalence operator
to union FCOs, Atoms, Models, etc&#8230;? Even in the publications on metamodel
composition with GME that I have been able to find, no example use-case for
Class Equivalence is provided. Does anyone have a motivating example for this
operator?<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks,<br>
Matt<o:p></o:p></span></font></p>

</blockquote>

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