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Stachowiak on Preterition and Abundance in Modelling

In his 1973 book “Allgemeine Modelltheorie” (General Model Theory) Herbert Stachowiak describes the fundamental properties that make a Model.  Unfortunately this is still not available in english language, so I thought why not try a (quite free-style) translation of the essential bits (see here for all):It is pretty inconvenient to post images here, so please find here the…See More
May 21
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Model Practice posted a blog post

Stachowiak on Preterition and Abundance in Modelling

In his 1973 book “Allgemeine Modelltheorie” (General Model Theory) Herbert Stachowiak describes the fundamental properties that make a Model.  Unfortunately this is still not available in english language, so I thought why not try a (quite free-style) translation of the essential bits (see here for all):It is pretty inconvenient to post images here, so please find here the…See More
May 21
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Andreas Leue commented on Model Practice's blog post Note on Languages and Abstraction
"sorry, "respective"  "
Sep 28, 2011
Mountriver TY Yu commented on Model Practice's blog post Note on Languages and Abstraction
"the repective metamodel?"
Sep 28, 2011
Andreas Leue commented on Model Practice's blog post Note on Languages and Abstraction
"Yes, for a given language, that should hold: metamodel M3 (M2, M1) is typically more neutral than corresponding models M2 (M1, M0), otherwise the design of the repective metamodel is to be questioned.  "
Sep 27, 2011
Mountriver TY Yu commented on Model Practice's blog post Note on Languages and Abstraction
"Thank Andreas for expounding! I think I got some more understandings to your 'neutral'... It's perhaps can be said that, a meta-model is usually more neutral, even complete neutral..."
Sep 27, 2011
Andreas Leue commented on Model Practice's blog post Note on Languages and Abstraction
"As for neutrality one can distinguish different abstractions; on the domain side there is - independence of the model from some domain aspects (like e.g. finding commonalities between businesses) - independence of the meta model from domains (going…"
Sep 26, 2011
Mountriver TY Yu commented on Model Practice's blog post Note on Languages and Abstraction
"I can't make a clear conclusion to the 'neutral' yet. Perhaps we might well talk about 'models' instead of the 'abstractions'. There are two models from two objects (the source the model be abstracted from): the…"
Sep 26, 2011
Model Practice commented on Model Practice's blog post Note on Languages and Abstraction
"Hi TY "... they have different own source or basis to abstract" so, do different abstraction types make it generally impossible to determine a reasonable >most< neutral position? |="
Sep 26, 2011
Mountriver TY Yu commented on Model Practice's blog post Note on Languages and Abstraction
"I think the key point is two ways, IMHO, they have different own source or basis to abstract.. (some related discussions on my blog at here)"
Sep 26, 2011
Mike Finn commented on Model Practice's blog post Note on Languages and Abstraction
"Abstraction only goes one way - upwards.  "
Sep 25, 2011
Model Practice commented on Model Practice's blog post Note on Languages and Abstraction
"Hi altogether think the "most neutral position" expression is one that I'm going to adopt, where I find the "most" (what makes it an optimisation problem) is a really challenging bit. Have fun |="
Sep 25, 2011
Mountriver TY Yu commented on Model Practice's blog post Note on Languages and Abstraction
"Hi! |=, Andreas. I Agree, too. I have been writing an essay “Abstraction (III)” to be going to relate to this topic but haven’t been completed. :-p I think, it's often be overlooked or confused in much practice and discussion,…"
Sep 24, 2011
Andreas Leue commented on Model Practice's blog post Note on Languages and Abstraction
"Hi Model Practice,   I agree. My favorite metaphor for this is the "bridge of abstraction, leading over the river of complexity": on the left side is Domain Land, on the right side Machine Land, on both side it's detailed &…"
Sep 23, 2011
Model Practice commented on Model Practice's blog post Note on Languages and Abstraction
"PS nice example of (2.): http://varvello.blogspot.com/2011/06/test.html"
Sep 22, 2011
Model Practice posted a blog post

Note on Languages and Abstraction

Just a short note.Programming languages do a 2-way abstraction:1. from machine level 'upwards', leaving out the technical bits.2. from (all addressed) problem domains 'downwards', promising that the language constructs provided correspond to the most important real world structures. In discussions on programming and abstraction, the latter seems a bit underrepresented, although not less important.   That's why I just wanted to mention it here briefly.|=See More
Sep 22, 2011
13 Comments

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Model Practice's Blog

Stachowiak on Preterition and Abundance in Modelling

In his 1973 book “Allgemeine Modelltheorie” (General Model Theory) Herbert Stachowiak describes the fundamental properties that make a Model.  Unfortunately this is still not available in english language, so I thought why not try a (quite free-style) translation of the essential bits (see here for all):

It is pretty inconvenient to post images here, so…

Continue

Posted on May 21, 2013 at 12:24

Note on Languages and Abstraction

Just a short note.



Programming languages do a 2-way abstraction:



1. from machine level 'upwards', leaving out the technical bits.

2. from (all addressed) problem domains 'downwards', promising that the language constructs provided correspond to the most important real world structures.



In discussions on programming and abstraction, the latter seems a bit underrepresented, although not less…

Continue

Posted on September 22, 2011 at 10:34 — 13 Comments

TOOLS Europe 2011

Attended Tools Conferences last week, here my brief take-away (from an Analyst's point of view):

 

ICMT 2011:

Such a more technically influenced subject like M2M Tranformations can contain lots of inspiring single issues, even for an analyst doing more sort of World 2 Model Transformations. Issues like generalisation of generalisation, query/ modeling by example, ...

 

TOOLS 2011:

1. Is Subjectivity an approach to clarifying "Appliance" of…

Continue

Posted on July 4, 2011 at 21:30

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