[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: Object Role Modelling (ORM) or UML or ?? for designing Schema s
It has been a goal since the late eighties. It was implemented for SGML using IDEF modeling (KBI, I believe) much earlier than Matt got around to UML. The problem is simple: too far ahead of the acceptance curve for markup. I don't think the ears are deaf. It is a noise that some don't yet have sufficient shared context to interpret as signal. This isn't metaphor; it is the clear demonstration of why discourse is initiated prior to learning. It really is an experience issue and the big XML systems that have to share at the conceptual level aren't real yet. Yet note how many people are writing papers now and asking questions. Until they are in the swamp with the gators, they don't know why old swampers carry lead bottomed oars and sawed-off shotguns. Reality bites. Len http://www.mp3.com/LenBullard Ekam sat.h, Vipraah bahudhaa vadanti. Daamyata. Datta. Dayadhvam.h -----Original Message----- From: Ken North [mailto:ken_north@c...] > "... My guess is that the syntax-centric > stranglehold will not be broken until there's a conscious focus > on conceptual modeling, accompanied by an unspoken agreement > that XML schemas and other markup syntaxes can readily be > generated from conceptual model notations..." > > but the comment appeared to have fallen on deaf ears. My sense is quite a few developers are on the same wavelength. The first time someone asked me about this was 1999. My reply was we'd "soon" be using design tools that enable us to work at a high level of abstraction -- create a conceptual model and then select whether to generate an SQL schema or XML schema. That prediction was wrong by about 2-3 years, but it was based in part on the Schema WG predicting a spec by December 1999. Conceptual model -> XML Schema is not a quantum leap in technology. It follows the natural evolution of existing technologies and tools. Matt Fuchs was the primary author of a paper about UML -> SOX schema in 1999.
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