The Metalevel

After coming back to Valencia from Montevideo, I’ve found the time to organize my ideas and explain as promised what I saw there.

As commented before, my expectatives were exceeded. The Genexus Event organized by Artech has a great quality level: more than 3.600 participants, having more than 120 sessions in tree days. I’m impressed! These kinds of things are not improvised, and the organization did a wonderful job for the event. Congrats!

In this post I will comment about the things I saw and liked (specially sharing the links to the videos and abundant material) and about my, now, better understanding of the tool Genexus.

Note: There is a some of material with on-line translation to English, the rest is only in original version (Spanish).

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This is the video for the talk given during the Genexus 2009 Meeting on Monday in Montevideo titled “Estado del arte de MDD.” (In Spanish)

Video filmed and shared on-line by cortesy of GeneXus.

See the video in two flavours:

• Original session, audio in Spanish.
• Session with audio in English.

Estado del arte de MDD (Model Driven Development ). Pedro J. Molina – Capgemini. from GeneXus on Vimeo.

Everything is ready for the XIX Genexus International Meeting. (14-16 of September, Montevideo)

Final program & invited speakers have been published.

As anticipated before, on Monday at 14:30 H (GMT-3), I will be there talking about The State of the Art of the Model Driven Development (MDD).

Via Jordi Cabot I found a quite interesting comment made by one of the “Three Amigos” about UML usage in his blog-post titled Taking the temperature of UML:

“Still, UML has become complex and clumsy. For 80% of all software only 20% of UML is needed. However, it is not easy to find the subset of UML which we would call the “Essential” UML. We must make UML smarter to use.”

Ivar Jacobson

The full post is a good review about the origins, the growth, and the current status of UML made by one of its three fathers. Ivar also argues about the current size of UML (really fat nowadays) and the necessity to put it on diet to achieve a kind of “Essential UML”. I like the idea of essential UML. It makes worthy to read it.

On the other hand, I want to stress the quote of Ivar Jacobson:

“For 80% of all software only 20% of UML is needed.”

I agree. My own quick usage stats of UML models when creating business software could be the following ones (please share your experience):

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