[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Mapping a UML model to a DTD or Schema
>> Maybe is a naive question but I'd like to know if there are >> standard approaches to map a UML class diagram to a DTD or Schema. > > [Ken North] > FYI, Dave Carlson, Kevin Kelly and Peter Chen are scheduled to > do conceptual modeling sessions in April at XML DevCon 2001. It's encouraging to hear mention of "conceptual modeling" in connection with Web/markup conferences; especially heart-warming to hear "conceptual modeling" and "schema design" in the same sentence. 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. GCA's "Knowledge Technologies 2001" conference supplies more evidence of shifting focus toward RDF, Topic Maps, etc. http://www.gca.org/attend/2001_conferences/kt_2001/ "Introducing the Next Technology Revolution" But there's a danger of losing the big picture. The conference literature speaks of the "knowledge management community" and of "Chief Knowledge Officers" and "Knowledge Managers" -- I have no idea who these people are. "Knowledge Acquisition, Knowledge Modeling Knowledge Interchange, Knowledge Access and Navigation" -- are all good ideas, but what's the underlying technology, and how does it support interoperable solutions? UML class diagrams are great (for visualizing relationships), but UML lacks semantics and can't provide an adequate (rigorous, testable) modeling formalism. RDF and Topic Maps are good, but they don't appear to offer a complete system-level modeling framework for sharable designs and interoperable (downstream) applications. So too the other ontology specification languages. Conceptual modeling, anyone? I have created a placeholder for some good articles -- which I hope will be forthcoming. See: "Conceptual Modeling and Markup Languages" http://xml.coverpages.org/conceptualModeling.html Please send nominations for the reference list. Best wishes, Robin Cover
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