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Well folks, here is my contribution.
As far as I can see there are two quite distinct elementary facts that (in my opinion) have nothing to do with each other.
Fact 1: Person began residence in Country on Date
Fact 2: Person ended residence in Country on Date
I have uploaded a file to the library that shows:
1: The object-role model
2: The two ...
Dear Sjir and Terry,
I agree on Terry that the sentence ‘Sjir lived in NL from 1987-01-01 to NULL’ isn’t very convenient.
One of the solutions Terry suggested is:
As yet another solution to the habitation example, we could use the quaternary "Person lived in Country from Date to Date" for cases where the end date is known, and run ...
Thank you very much for your quick reply. I'm looking forward to the next drop, and your ORM Reference Mode Editor solution worked like a charm. Keep up the good work, and this project has come a long way since cohort 7 (mine).
I have fixed the problem with the stats,
You will now see that they are up to date.
One small point - The displayed stats are for the total site.
Thus, since some forums are not visible to all users, in some cases, what can b ecounted on the screen may be different from the numbers at the bottom of the ...
Yes, it is true. The forum statistics are not an accurate reflection of forum posts.
This problem appeared when we migrated the NORMA posts from Sourceforge to this website.
The SQL script that was used for the migration was successful in migrating all of the posts.
Unfortunately, the SQL script did not include the code ...
When I wanted to use the ORM Foundation statistics as an exercise in a FO class, I came across a problem.
I have assumed that one of the principles underlying the UFO is consistency.
When I was reading the forum statistics this morning, I read:
312 users have contributed to 83 threads.
Looking at Tools, Norma I verbalize:
As yet another solution to the habitation example, we could use the quaternary "Person lived in Country from Date to Date" for cases where the end date is known, and run a subset constraint from the sequence of its first three roles to the ternary "Person began a habitation in Country on Date". This would ...
Your example is an interesting one, and does illustrate a difference between ORM and CogNIAM. In CogNIAM, I take it that you treat a fact type such as
Person lived in Country from Date to Date
as an asserted fact type, allowing that the end date is optional, which means that you allow nulls in asserted fact instances. For ...
We're putting final touches on a new sourceforge drop, which will be available next week. The new drop features much better name generation defaults. Among other things, we allow you to control how the reference mode name is used in both references to entitytypes (mapped to columns with a foreign key, or fully absorbed columns) and for the ...
In your previous contribution you mention a few aspects that deserve further discussion one of which is atomicity of fact types. All three approaches SBVR, ORM and CogNIAM have atomic fact types in the classical definition. Practice has shown that there is more that can be offered to a mature business modeling community.