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> This argues for something like the "role" > attribute, although you could do it some other way, like a "role" child > element. Interesting. Terry Halpin's semantic modeling technique (Object Role Modeling) is based on objects playing roles: "In ORM, objects play roles within a domain and participate in facts. An object's arity expresses the number of roles it plays, so a unary fact is an object playing a single role. A binary fact plays two roles, ..." That was from a September 1994 article, when tools had transformations for database schemas. By next year, we'll probably see XML schemas. *************************************************************************** This is xml-dev, the mailing list for XML developers. To unsubscribe, mailto:majordomo@x...&BODY=unsubscribe%20xml-dev List archives are available at http://xml.org/archives/xml-dev/ ***************************************************************************
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