期刊名称：Petroleum-Gas University of Ploiesti Bulletin : Economic Sciences Series
印刷版ISSN：2284-8576
电子版ISSN：2247-8582
出版年度：2006
期号：4
语种：English
出版社：Petroleum-Gas University of Ploiesti
摘要：UML allows the construction of more models of the same system.This paper aims to present one of these models,practically the first that we have to construct: the use case diagram.This model is based on the user’s (client’s) requirements presented in the application specifications or on the functions of the studied system.
其他摘要：UML permite construirea mai multor modele pentru acelaşi sistem. Acest articol are drept scop prezentarea unuia din aceste modele, practic primul care trebuie construit: diagrama cazurilor de utilizare. Acest model se bazează pe cerinţele clienţilor preze
关键词：actor;system;use case;the use cases diagram;inclusion;extension;generalization;frames of interaction
