![download magicdraw uml personal edition free download magicdraw uml personal edition free](https://image.slideserve.com/897347/bsp-verteilungsdiagramm-l.jpg)
1 What are the used UML diagrams? A Preliminary Survey Gianna Reggio, Maurizio Leotta, Filippo Ricca, Diego Clerissi DIBRIS - Università di Genova, ItalyĢ Our aim Asses by means of a survey which parts of the UML (diagrams and constructs) are the most/less used in practice By examining objective sources books university IT courses tutorials tools By a personal survey aimed to UML usersģ Motivation (1) UML is really BIG (and complicate) 14 different diagrams large set of constructs for each diagram huge specification book (732 pages) large and complex metamodel not easy to understand its static and dynamic semantics As a consequence it is difficult to teach to define UML model transformations is time consuming and complex sometime simple ad hoc lean DSLs are preferredĤ On the other hand Motivation (2) users naturally tend to consider and use only a part of the UML For 80% of all software only 20% of UML is needed I.