On the representation of roles in object
โ
Friedrich Steimann
๐
Article
๐
2000
๐
Elsevier Science
๐
English
โ 307 KB
The duality of objects and relationships is so deeply embedded in our thinking that almost all modelling languages include it as a fundamental distinction. Yet there is evidence that the two are naturally complemented by a third, equally fundamental notion: that of roles. Although deยฎnitions of the