Are qualified associations necessary?

When I’m creating domain models, the ability to place properties on a relationship is proving very useful. For example, at the moment I’m remodelling our designer definition format (we generate it from a domain model) and have a relationship between Connector and Decorator and Shape and Decorator. Decorators have a position, which is modelled as an enumeration (inner-top-right,…

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The ‘U’ in ‘UML’

Last night the conference banquet was held for the MoDELS conference in Jamaica. The MoDELS conference changed it’s name this year – it used to be known as the UML conference, and UML is still used in the byline. I’m the general chair for the conference this year, and Microsoft sponsored the banquet. As you know, Microsoft…

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Model Transformation

I’m in Jamaica at the MoDELS 05 conference. Yesterday I attended a workshop on model transformation, where a number of different techniques were presented. The organizers had asked all submitters to apply their technique to a standard example (the object-relational mapping) so it was quite easy to compare the different approaches. There were also some…

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