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    • Modeling an engineering design application using extended object-oriented concepts 

      Golendziner, Lia Goldstein; Santos, Clesio Saraiva dos; Wagner, Flavio Rech (1998) [Journal article]
      This paper presents an approach to extend object-oriented data models, in which versions of an object are allowed to appear at different levels of an inheritance hierarchy, in contrast to the known approaches where they ...