Hi all, Regarding Data Constellation ORM Metamodel http://www.dataconstellation.com/ActiveFacts/examples/ORM/Metamodel.orm Does the term 'Concept' stand for...
Folk, Just a quick status message to revive this email/NTTP channel. You might be reading this because of your subscription on Yahoo, or using the NNTP feed...
Folk, Over the weekend, I implemented RMap - the part that chooses which object types will be tables in a third-normal-form database. I had previously...
Folk on the information_modeling list (and others). Just a quick update so you know what I've been doing with ActiveFacts recently. When I last wrote, I was...
Rich (and other information_modelers), Thanks. I had picked up one or two typos, but your detailed review is very valuable. I'll apply the changes soon. My...
Hi The following is purely speculative and incomplete :) http://www.paste2.org/p/10458 There may no doubt be more a transparent and succinct syntax, but it was...
Hi Clifford, There seems to be a missing file/dependency in the AF gem? TIA Mark irb> require 'activefacts' MissingSourceFile: no such file to load -- chattr ...
Hello, Its been a while since I have posted on this group. Hope everyone is doing well. I have an opportunity to work on a Dot Net project and was wondering...
Folk, I'm considering taking a slightly different approach to hyphen- binding from that taken by NORMA, and I'd value your opinion. First I'll introduce...
Folk, just a quick status update of where I'm at and where I'm going with ActiveFacts. I've been having some success in defining a workable query language -...
Terry sent this from a non-subscribed address, so it bounced, and he asked me to forward it. Unfortunately it contains broken characters presumably from a ...
Starting from the trivial example in chapter 1 of Information Modeling: Activity is held in Room during HourSlot ... 1 | A | 14 1 | A | 15 2 | B | 14 the IUC...
Clifford, I read with great interest your work at http://dataconstellation.com/ActiveFacts/examples/ I have two questions about this: at the end, under ...
several times i have run into the terms 'set' and 'bag' used together in the context of constraints on population. In this context,what does 'bag' mean? ...
since I don't have a way to attach files or images, i'll try to frame my question as accurately yet succinctly as possible. I have to model an existing...
I've been playing with the idea for an ORM tool in a web browser for a while now. One of the limiting factors is that there's no real "drawing surface" in a...
I'm playing around with drawing some ORM-like diagrams, using Graphviz: http://www.cfcl.com/rdm/diagrams/SS_x3.png. I'm not sure, however, how I should place...
I seek advise for solving my dilemma on which of the two MK books authored by Terry Halpin. I don't need to be convinced that ORM is superior to ER or other ...
Folk, I know I've been too quiet, but ActiveFacts is not dead! I'd been tied up with some Ruby on Rails projects which have reached a quiet spot again, and I ...
I am taking a crash-course in ORM for a new project and after reading several of Terry Halpin's works (ORM: overview; Business Rules and ORM) I'm a bit...
I'd like to get an idea of the distribution of N in N-ary relationships, as expressed in knowledge bases, etc. That is, what percentage of relationships can...
I'm a bit torn about which task to tackle next, and would value some opinions. Options are: * Take the reverse-engineered (compound) schema and make it...
Hi, A thread in one of the NORMA project forums on SourceForge has touched on some issues about the suitability and proper use of several related terms used in...
Hi, Jaron B. made a comment, in a reply to another thread, about discussions concerning reference mode notations to be used in NORMA. I wanted to ask about...
Hello Gurus.. Can anyone please provide me details of any institute or individual who is teaching Informatica, Cognos or Business Objects. Thanks in advance. ...
Hi, NORMA team has released another CTP of the ORM2 modeling tool. Visit http://sourceforge.net/projects/orm to download the zip folder. The readme file...
Hello folk. I'm not officially "back" from my vacation yet, but I'm back in Sydney (Gosford actually) for the RailsCamp this weekend - after which I'm...