Titlebook: ECOOP ‘93 - Object-Oriented Programming; 7th European Confere Oscar M. Nierstrasz Conference proceedings 1993 Springer-Verlag Berlin Heidel

彎曲道理

,VIII. Führung im interkulturellen Kontext,ractions and it is independent of the specific interface through which a service is used. A prototype implementation demonstrates both the feasibility of the ideas and the related implementation issues.

不妥協(xié)

Agility

Rafaela Kraus,Tanja Kreitenweis how subtypes and supertypes are related. This paper presents a new definition of the subtype relation that ensures that any property proved about supertype objects also holds for subtype objects. It also discusses the ramifications of the definition on the design of type families.

Feedback

,Koh?renz?– Macht und Ver?nderung verstehen,r describes the theory of FM, and discusses the role that set expressions may play in conceptual database schemas. Special attention is paid to the treatment of constraints, and a three-step specification approach is proposed. This approach results in the formal notion of database universe stated as an FM expression.