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<div class=Section1>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Ilkay</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>First of all thank you for your answer,
but I have some questions about your suggestion.</span></font></p>
<p class=MsoNormal style='margin-left:18.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>-Did you
suggest that I develop new actors or there is some kind of actors in Kepler, ready
to use, with the functionality (task-assigner; Check-Task) that you have proposed?</span></font></p>
<p class=MsoNormal style='margin-left:18.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>-On Check
Task1 are you suggested I call a web service that only responds when K-1 result
is available?</span></font></p>
<p class=MsoNormal style='margin-left:18.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>-After I
sent my previous message I have tried kepler to invoke Web services but I found
many limitations. First The Web Service actor only works with simple data types
and it don’t support asynchronous calls and callbacks, a easy way to
solve my problem: task3 will be notified on completion of task4(K-1).</span></font></p>
<p class=MsoNormal style='margin-left:18.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal style='margin-left:18.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>I appreciate
If you can give me more some help </span></font></p>
<p class=MsoNormal style='margin-left:18.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal style='margin-left:18.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>Thanks</span></font></p>
<p class=MsoNormal style='margin-left:18.0pt'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>Luis</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><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> Ilkay Altintas
[mailto:altintas@sdsc.edu] <br>
<b><span style='font-weight:bold'>Sent:</span></b> quarta-feira, 13 de Junho de
2007 1:28<br>
<b><span style='font-weight:bold'>To:</span></b> Luis Assunção<br>
<b><span style='font-weight:bold'>Cc:</span></b> Kepler-users@ecoinformatics.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [kepler-users]
Workflow with instances dependency</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Luis,</span></font></p>
<div>
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face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
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<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>You can have a workflow
the has the instances of web services for item K of your simulation under PN or
SDF (given n below is known before scheduling) and has monitoring actors (check
and get results if necessary) for the tasks in item K-1. So assuming that your
Task 1 through 4 depends also on each other and there are n items, one way to
model it is:</span></font></p>
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<div>
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face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
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face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
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<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
Check
Task1(K-1) Check Task4 (K-1)</span></font></p>
</div>
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face="Times New Roman"><span style='font-size:12.0pt'>
|
|</span></font></p>
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<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
V
V</span></font></p>
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<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>K-Assigner(0..K..n) ->
Task1 (K) -> Task2 (K)-------------- -> Task3 (K) -> Task4 (K) </span></font></p>
</div>
<div>
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face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
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<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>K-Assigner will keep
assigning the new items as the item before is processed. In this way, you can
model it using web services as only web services for one item will be used at
one time. </span></font></p>
</div>
<div>
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face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
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<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>If you do this in PN, you
might end up having thousands of web services at the same time for Task 1, but
you can get around it by limiting it in the workflow by the K-Assigner actor.</span></font></p>
</div>
<div>
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face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
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face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
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<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>There might be more
efficient ways of doing the same thing by keeping two instances running at the
same time using PN. Something like below, but the one below won't work.</span></font></p>
</div>
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face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
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face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
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<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>K-Assigner(0..K..n) ->
Task1 (K-1) -> Task2 (K-1) -> Task3 (K-1) -> Task4 (K-1)</span></font></p>
</div>
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face="Times New Roman"><span style='font-size:12.0pt'>
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|</span></font></p>
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face="Times New Roman"><span style='font-size:12.0pt'>
|
V
V </span></font></p>
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<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
-> Task1 (K) -> Task2 (K)
------------------------> Task3 (K) -> Task4 (K)</span></font></p>
</div>
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face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
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face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
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<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Hope you get the
illustrations correctly...</span></font></p>
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face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
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<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>-ilkay</span></font></p>
</div>
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face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
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<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>On Jun 6, 2007, at 5:44
PM, Luis Assunção wrote:</span></font></p>
</div>
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face="Times New Roman"><span style='font-size:12.0pt'><br>
<br>
</span></font></p>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Hi</span></font></p>
<div>
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style='font-size:10.0pt;font-family:Arial'> </span></font></p>
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<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>In my current research I have to
modulate a simulation where I have thousands of input items and for each item I
have the following workflow.</span></font></p>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> </span></font></p>
</div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Task1 ->Task2->Task3->Task4</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>But Task2 of item K depends of the
completion of Task1 from item K-1 and Task3 of item K depends of the completion
of Task4 from item K-1</span></font></p>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>I am interested to use modeling
based on Workflows and I am also interested to support task execution as a Web
Service.</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>I am tried to modeling using Kepler
with Web Service actor but I think it isn’t suitable to describe an
workflow with thousand of instances (huge graphical boxes) and worst I
don’t know the best way to describe task execution with dependencies from
previous execution?</span></font></p>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> </span></font></p>
</div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Can someone advise me about what is
the best pattern to this case?</span></font></p>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> </span></font></p>
</div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>I appreciate in advance some
advising.</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Many thanks</span></font></p>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> </span></font></p>
</div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Luis Assuncao</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Email: <a
href="mailto:lass@isel.ipl.pt">lass@isel.ipl.pt</a></span></font></p>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
lang=PT style='font-size:10.0pt;font-family:Arial'> </span></font></p>
</div>
<div>
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lang=PT style='font-size:10.0pt;font-family:Arial'> </span></font></p>
</div>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>_______________________________________________</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Kepler-users mailing list</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><a
href="mailto:Kepler-users@ecoinformatics.org">Kepler-users@ecoinformatics.org</a></span></font></p>
</div>
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face="Times New Roman"><span style='font-size:12.0pt'><a
href="http://mercury.nceas.ucsb.edu/ecoinformatics/mailman/listinfo/kepler-users">http://mercury.nceas.ucsb.edu/ecoinformatics/mailman/listinfo/kepler-users</a></span></font></p>
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<p class=MsoNormal style='margin-left:36.0pt'><font size=1 color=black
face=Helvetica><span style='font-size:9.0pt;font-family:Helvetica;color:black'>Ilkay
ALTINTAS</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=1 color=black
face=Helvetica><span style='font-size:9.0pt;font-family:Helvetica;color:black'>Lab
Director, Scientific Workflow Automation Technologies (SWAT)</span></font></p>
</div>
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<p class=MsoNormal style='margin-left:36.0pt'><font size=1 color=black
face=Helvetica><span style='font-size:9.0pt;font-family:Helvetica;color:black'>San
Diego Supercomputer Center(SDSC), UCSD</span></font></p>
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<p class=MsoNormal style='margin-left:36.0pt'><font size=1 color=black
face=Helvetica><span style='font-size:9.0pt;font-family:Helvetica;color:black'>9500
Gilman Drive, MC: 0505 La Jolla, CA 92093-0505</span></font></p>
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<p class=MsoNormal style='margin-left:36.0pt'><font size=1 color=black
face=Helvetica><span style='font-size:9.0pt;font-family:Helvetica;color:black'>phone:
(858) 822-5453
fax: (858) 534-8303</span></font></p>
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<p class=MsoNormal style='margin-left:36.0pt'><font size=1 color=black
face=Helvetica><span style='font-size:9.0pt;font-family:Helvetica;color:black'>web: <a
href="http://users.sdsc.edu/%7Ealtintas"><span class=apple-style-span><span
style='-khtml-text-decorations-in-effect: underline'><font color="#001fe8"><span
style='-khtml-text-decorations-in-effect: underline'><span style='-khtml-text-decorations-in-effect: underline'><span
style='color:#001FE8'>http://users.sdsc.edu/~altintas</span></span></span></font></span></span></a></span></font></p>
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