Hello all, In the upcoming issue of the JCM (due out early next week), I am trying something a bit different with my article. As part of my paper, I will also ...
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Scot A. Becker
scotb@...
Jun 8, 1999 7:02 am
The June Issue of the Journal of Conceptual Modeling (JCM) is now online at http://www.inconcept.com/JCM/. About the JCM: The JCM is a completely free resource...
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Allred, Mark J
Mark.Allred@...
Jun 9, 1999 5:02 pm
I'd like to add just a bit to this vein (gold or fools' gold, you decide). I do not conceive of any way to record the actual values of the defaults in ORM --...
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Terry Halpin
TerryH@...
Jun 9, 1999 6:23 pm
At least some aspects of default knowledge are conceptual. I've included a brief discussion on this in my latest article for the Journal of Conceptual Modeling...
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Scot A. Becker
scotb@...
Jun 9, 1999 6:26 pm
... Minor clarification: the URL is: http://www.inconcept.com/JCM/June1999/halpin.html Scot. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Scot A. Becker Principal...
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Scot A. Becker
scotb@...
Jun 10, 1999 6:33 pm
Reminder: The lecture portion of my recent JCM Paper, Data Schema Normalization, is about to start (approx. 30 minutes from now). The paper and connections...
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Scot A. Becker
scotb@...
Jun 10, 1999 9:21 pm
For those of you who missed today's online lecture, an edited transcript is available at the JCM. FYI, Scot. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Scot A....
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Terry Halpin
TerryH@...
Jun 10, 1999 9:59 pm
Hi Scot Got bogged down with work and missed it. What is the precise URL for the transcript? Terry ... eGroups.com home: http://www.egroups.com/group/jcm ...
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Scot A. Becker
scotb@...
Jun 10, 1999 10:01 pm
... Oh, sorry. It's hyperlinked on the main page as well as in the article. Also, the file can be downloaded at: http://www.inconcept.com/files/lecture.txt ...
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Terry Halpin
TerryH@...
Jun 11, 1999 5:46 pm
Hi Scot Thanks. Nice transcript. I like the informal chatty style. One minor typo: our ORM website is www.orm.net (orm.com was already taken by a Olympic...
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Scot A. Becker
scotb@...
Jun 11, 1999 5:54 pm
... I do too. I'm hoping to do more of this in the future. I like the ability to interact with JCM readers. Plus, it's nice to have the ability to elaborate on...
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Scot A. Becker
scotb@...
Jul 1, 1999 10:49 pm
An interesting question popped up on another data modeling list. Someone was looking for info on implementing ORM without the graphics. I've heard that there...
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Cuyler, David S
dscuyle@...
Jul 1, 1999 11:29 pm
Actually John Sharp has been doing this for some time. The FCO-NIAM folks do this as well (Harm van der Lek, et al). ... eGroups.com home:...
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Scot A. Becker
scotb@...
Jul 1, 1999 11:37 pm
... Yup. I think the question I got was directed specifically at FORML (elementary facts). I was getting at more of what lingo patterns are used to capture the...
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dennis_corbo@...
Jul 7, 1999 6:00 pm
They may want to take a look at one of the PROLOG sites for information about programming in logic. It not only allows facts to be specified in text but the...
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Scot A. Becker
scotb@...
Jul 8, 1999 1:01 am
InConcept Object-Role Modeling Seminar Introduction InConcept, Inc. is proud to announce an upcoming ORM seminar in Minneapolis, MN. Dates Wednesday, September...
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Allred, Mark J
Mark.Allred@...
Jul 16, 1999 1:00 pm
Stan Kimball recently wrote in Intelligent Enterprise, "STIRRING THINGS UP" (http://www.iemagazine.com/992206/warehouse.shtml): "Entity-relation (E-R) models...
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Johnston, Mark
mark.johnston@...
Jul 17, 1999 12:53 am
Mark, An example (admittedly rather silly) which I think of from time to time may serve to clarify what both you and the author are wrestling with. Imagine, if...
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Scot A. Becker
scotb@...
Jul 17, 1999 3:15 pm
In addition to Mark Johnston's response, I thought I'd add a few points. ... This is a fantastic quote, when considered by itself.... he he he ... It all comes...
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John G Harris
niam@...
Jul 18, 1999 6:02 pm
I'd like to add to Mark Johnston's and Scot Becker's replies. On normalisation : Surely the most important reason for normalisation is to reduce the chance of...
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Herman Koester
hkoester@...
Jul 19, 1999 6:01 pm
Mark wrote: Stan Kimball recently wrote in Intelligent Enterprise..... Sorry to be a stickler, however it's "Ralph Kimball" Regards, Herman Koester Information...
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Terry Halpin
TerryH@...
Jul 19, 1999 6:43 pm
Just a few quick comments on Mark's email. ORM can be used to conceptually model anything that can be expressed as facts. For the same UoD there are many...
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Joseph Newcum
jnewcum@...
Jul 21, 1999 1:28 pm
... The purpose of normalization as stated in many texts is to remove certain insertion and update anomalies in relational databases. If (1) you don't intend...
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Kornelis, H.
HKor@...
Jul 21, 1999 1:28 pm
Allow me to pour in some of my thoughts as well. Disclaimer: I'm familiar with NIAM (the Dutch variant of ORM) and I know a lot less of the differences between...
114
Path
path@...
Jul 21, 1999 1:28 pm
... From: Scot A. Becker [mailto:scotb@...] Sent: Saturday, July 17, 1999 10:05 AM To: jcm@egroups.com Subject: [JCM] Re: E-R Model Viability and...
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Terry Halpin
TerryH@...
Jul 22, 1999 4:53 pm
I agree with almost all that Hugo says here. It's good to hear from the Dutch community of NIAM users. As a partial answer to his comment "I have to confess...
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CHERI HOWE
CIJJ490@...
Jul 23, 1999 1:59 am
Hi Terry Thanks for including me on the jcm e-mail list. I really enjoy the exchange of ideas. I totally agree with your qualification. Good modelers try...
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robin.bowes@...
Jul 26, 1999 12:58 pm
Hi, I'm looking for a little help with modelling a particular set of data. Here's the situation: Case has zero or more Hearings Hearing has Type(code) Hearing...
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scotb@...
Jul 26, 1999 6:30 pm
Hello Robin, Assuming I understand your UoD correctly, I think the solution is to use a pair-subset constraint. (Note: if you have Halpin’s book, he...
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scotb@...
Jul 26, 1999 6:34 pm
Hello Again, After reading my post, I think I explained _what_ to do but forgot to say _why_: The pair subset constraint will dictate that a Decision on a...
