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> Uche: > > I can buy that even data reuse might be a mirage: I don't > know enough to > refute the claim, and I wonder whether anyone does. It seems > that all the > effort has been focused on code reuse just to find that it's > an illusion, > and perhaps if we'd aimed all that effort at data modeling > all the while, > it might have borne more fruit. Amen, brother. Actually, it bears fruit daily. Any suite of application built around a common database is reusing the same data model. The ugly problem is that it's a relational model most of the time, and winds up having to be mapped into a set of hierarchical objects *by hand*. I'm not going to hazard a guess as to whether the process could be automated if the data in the object hierarchy, with many of the attendant constraints, was represented as a schema. It couldn't be any harder, however.
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